页 303 - 逻辑 - 缓冲器，驱动器，接收器，收发器 | 集成电路（IC）

零件编号	制造商	描述	封装	库存	Number of Elements	Number of Bits per Element	Input Type	Output Type	Current - Output High, Low	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
74ALVT162241DGG:11	NXP	IC BUFF DVR TRI-ST 16BIT 48TSSOP Logic Type: Buffer, Non-Inverting Number of Elements: 4 Number of Bits per Element: 4 Input Type: - Output Type: Push-Pull Current - Output High, Low: 12mA, 12mA Voltage - Supply: 2.3 V ~ 2.7 V, 3 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-TFSOP (0.240", 6.10mm Width) Supplier Device Package: 48-TSSOP	封装: 48-TFSOP (0.240", 6.10mm Width)	库存2,100	4	4	-	Push-Pull	12mA, 12mA	2.3 V ~ 2.7 V, 3 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	48-TFSOP (0.240", 6.10mm Width)	48-TSSOP
74FCT2244ATSOCTE4	Texas Instruments	IC BUFF/DVR TRI-ST 8BIT 20SOIC Logic Type: Buffer, Non-Inverting Number of Elements: 2 Number of Bits per Element: 4 Input Type: - Output Type: Push-Pull Current - Output High, Low: 15mA, 12mA Voltage - Supply: 4.75 V ~ 5.25 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 20-SOIC (0.295", 7.50mm Width) Supplier Device Package: 20-SOIC	封装: 20-SOIC (0.295", 7.50mm Width)	库存2,000	2	4	-	Push-Pull	15mA, 12mA	4.75 V ~ 5.25 V	-40°C ~ 85°C (TA)	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
CY74FCT2244ATSOCT	Texas Instruments	IC BUFF/DVR TRI-ST 8BIT 20SOIC Logic Type: Buffer, Non-Inverting Number of Elements: 2 Number of Bits per Element: 4 Input Type: - Output Type: Push-Pull Current - Output High, Low: 15mA, 12mA Voltage - Supply: 4.75 V ~ 5.25 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 20-SOIC (0.295", 7.50mm Width) Supplier Device Package: 20-SOIC	封装: 20-SOIC (0.295", 7.50mm Width)	库存2,640	2	4	-	Push-Pull	15mA, 12mA	4.75 V ~ 5.25 V	-40°C ~ 85°C (TA)	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
74LVT2952D,112	NXP	IC TRANSCEIVER 8BIT N-INV 24SOIC Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 32mA, 64mA Voltage - Supply: 2.7 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 24-SOIC (0.295", 7.50mm Width) Supplier Device Package: 24-SO	封装: 24-SOIC (0.295", 7.50mm Width)	库存7,200	1	8	-	Push-Pull	32mA, 64mA	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SO
74ABT2240CMTCX	Fairchild/ON Semiconductor	IC INVERTER DUAL 4-INPUT 20TSSOP Logic Type: Buffer, Inverting Number of Elements: 2 Number of Bits per Element: 4 Input Type: - Output Type: Push-Pull Current - Output High, Low: 32mA, 15mA Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 20-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 20-TSSOP	封装: 20-TSSOP (0.173", 4.40mm Width)	库存5,840	2	4	-	Push-Pull	32mA, 15mA	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
SN74LV245AGQNR	Texas Instruments	IC BUS TRANSCEIVER 8BIT 20BGA Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 16mA, 16mA Voltage - Supply: 2 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 20-VFBGA Supplier Device Package: 20-BGA MICROSTAR JUNIOR (4x3)	封装: 20-VFBGA	库存4,720	1	8	-	Push-Pull	16mA, 16mA	2 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	20-VFBGA	20-BGA MICROSTAR JUNIOR (4x3)
74ABT162244DGG,112	Nexperia USA Inc.	IC BUFF DVR TRI-ST 16BIT 48TSSOP Logic Type: Buffer, Non-Inverting Number of Elements: 4 Number of Bits per Element: 4 Input Type: - Output Type: Push-Pull Current - Output High, Low: 32mA, 12mA Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-TFSOP (0.240", 6.10mm Width) Supplier Device Package: 48-TSSOP	封装: 48-TFSOP (0.240", 6.10mm Width)	库存2,720	4	4	-	Push-Pull	32mA, 12mA	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	48-TFSOP (0.240", 6.10mm Width)	48-TSSOP
74LVTH16245BDGG,11	Nexperia USA Inc.	IC TXRX 16BIT 3.3V 3ST 48TSSOP Logic Type: Transceiver, Non-Inverting Number of Elements: 2 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 32mA, 64mA Voltage - Supply: 2.7 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-TFSOP (0.240", 6.10mm Width) Supplier Device Package: 48-TSSOP	封装: 48-TFSOP (0.240", 6.10mm Width)	库存2,816	2	8	-	Push-Pull	32mA, 64mA	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	48-TFSOP (0.240", 6.10mm Width)	48-TSSOP
SN74LS125ADRG4	Texas Instruments	IC BUS BUFF TRI-ST QD 14SOIC Logic Type: Buffer, Non-Inverting Number of Elements: 4 Number of Bits per Element: 1 Input Type: - Output Type: Push-Pull Current - Output High, Low: 2.6mA, 24mA Voltage - Supply: 4.75 V ~ 5.25 V Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: Surface Mount Package / Case: 14-SOIC (0.154", 3.90mm Width) Supplier Device Package: 14-SOIC	封装: 14-SOIC (0.154", 3.90mm Width)	库存5,968	4	1	-	Push-Pull	2.6mA, 24mA	4.75 V ~ 5.25 V	0°C ~ 70°C (TA)	Surface Mount	14-SOIC (0.154", 3.90mm Width)	14-SOIC
SN74HC367PW	Texas Instruments	IC BUFF/DVR TRI-ST HEX 16TSSOP Logic Type: Buffer, Non-Inverting Number of Elements: 2 Number of Bits per Element: 2, 4 (Hex) Input Type: - Output Type: Push-Pull Current - Output High, Low: 7.8mA, 7.8mA Voltage - Supply: 2 V ~ 6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 16-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 16-TSSOP	封装: 16-TSSOP (0.173", 4.40mm Width)	库存6,144	2	2, 4 (Hex)	-	Push-Pull	7.8mA, 7.8mA	2 V ~ 6 V	-40°C ~ 85°C (TA)	Surface Mount	16-TSSOP (0.173", 4.40mm Width)	16-TSSOP
NLU2G07MUTCG	ON Semiconductor	IC BUFF DL OP/DRAIN N-INV 6UDFN Logic Type: Buffer, Non-Inverting Number of Elements: 2 Number of Bits per Element: 1 Input Type: - Output Type: Open Drain Current - Output High, Low: -, 8mA Voltage - Supply: 1.65 V ~ 5.5 V Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 6-UFDFN Supplier Device Package: 6-UDFN (1.2x1)	封装: 6-UFDFN	库存5,088	2	1	-	Open Drain	-, 8mA	1.65 V ~ 5.5 V	-55°C ~ 125°C (TA)	Surface Mount	6-UFDFN	6-UDFN (1.2x1)
SN74AHCT245PWRE4	Texas Instruments	IC BUS TRANSCEIVER 8BIT 20TSSOP Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 8mA, 8mA Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 20-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 20-TSSOP	封装: 20-TSSOP (0.173", 4.40mm Width)	库存2,528	1	8	-	Push-Pull	8mA, 8mA	4.5 V ~ 5.5 V	-40°C ~ 125°C (TA)	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
SN74LVTH245ARGYR	Texas Instruments	IC BUS TRANSCEIVER 8BIT 20QFN Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 32mA, 64mA Voltage - Supply: 2.7 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 20-VFQFN Exposed Pad Supplier Device Package: 20-VQFN (3.5x4.5)	封装: 20-VFQFN Exposed Pad	库存2,656	1	8	-	Push-Pull	32mA, 64mA	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	20-VFQFN Exposed Pad	20-VQFN (3.5x4.5)
74AVCH16245DGG,112	Nexperia USA Inc.	IC 16BIT TXRX W/DIR PIN 48-TSSOP Logic Type: Transceiver, Non-Inverting Number of Elements: 2 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 12mA, 12mA Voltage - Supply: 1.2 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-TFSOP (0.240", 6.10mm Width) Supplier Device Package: 48-TSSOP	封装: 48-TFSOP (0.240", 6.10mm Width)	库存20,124	2	8	-	Push-Pull	12mA, 12mA	1.2 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	48-TFSOP (0.240", 6.10mm Width)	48-TSSOP
SN74ABT162244DL	Texas Instruments	IC BUFF/DVR TRI-ST 16BIT 48SSOP Logic Type: Buffer, Non-Inverting Number of Elements: 4 Number of Bits per Element: 4 Input Type: - Output Type: Push-Pull Current - Output High, Low: 12mA, 12mA Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-BSSOP (0.295", 7.50mm Width) Supplier Device Package: 48-SSOP	封装: 48-BSSOP (0.295", 7.50mm Width)	库存19,728	4	4	-	Push-Pull	12mA, 12mA	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	48-BSSOP (0.295", 7.50mm Width)	48-SSOP
CLVTH32244IGKEREP	Texas Instruments	IC BUFF/DVR TRI-ST 32BIT 96LFBGA Logic Type: Buffer, Non-Inverting Number of Elements: 8 Number of Bits per Element: 4 Input Type: - Output Type: Push-Pull Current - Output High, Low: 32mA, 64mA Voltage - Supply: 2.7 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 96-LFBGA Supplier Device Package: 96-LFBGA (13.5x5.5)	封装: 96-LFBGA	库存7,040	8	4	-	Push-Pull	32mA, 64mA	2.7 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	96-LFBGA	96-LFBGA (13.5x5.5)
CY74FCT646ATSOCT	Texas Instruments	IC 8BIT REGISTR TXRX 3ST 24-SOIC Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 32mA, 64mA Voltage - Supply: 4.75 V ~ 5.25 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 24-SOIC (0.295", 7.50mm Width) Supplier Device Package: 24-SOIC	封装: 24-SOIC (0.295", 7.50mm Width)	库存4,576	1	8	-	Push-Pull	32mA, 64mA	4.75 V ~ 5.25 V	-40°C ~ 85°C (TA)	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOIC
SN74AHC541DBR	Texas Instruments	IC BUFF/DVR TRI-ST 8BIT 20SSOP Logic Type: Buffer, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 8mA, 8mA Voltage - Supply: 2 V ~ 5.5 V Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 20-SSOP (0.209", 5.30mm Width) Supplier Device Package: 20-SSOP	封装: 20-SSOP (0.209", 5.30mm Width)	库存5,344	1	8	-	Push-Pull	8mA, 8mA	2 V ~ 5.5 V	-40°C ~ 125°C (TA)	Surface Mount	20-SSOP (0.209", 5.30mm Width)	20-SSOP
SN74BCT245PW	Texas Instruments	IC BUS TRANSCEIVER 8BIT 20TSSOP Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: Push-Pull Current - Output High, Low: 3mA, 24mA; 15mA, 64mA Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: Surface Mount Package / Case: 20-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 20-TSSOP	封装: 20-TSSOP (0.173", 4.40mm Width)	库存6,864	1	8	-	Push-Pull	3mA, 24mA; 15mA, 64mA	4.5 V ~ 5.5 V	0°C ~ 70°C (TA)	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP
SN74AUP1G126DPWR	Texas Instruments	IC BUF NON-INVERT 3.6V 5X2SON Logic Type: Buffer, Non-Inverting Number of Elements: 1 Number of Bits per Element: 1 Input Type: - Output Type: 3-State Current - Output High, Low: 4mA, 4mA Voltage - Supply: 0.8 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 5-XFDFN Exposed Pad Supplier Device Package: 5-X2SON (0.80x0.80)	封装: 5-XFDFN Exposed Pad	库存28,398	1	1	-	3-State	4mA, 4mA	0.8 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	5-XFDFN Exposed Pad	5-X2SON (0.80x0.80)
74LCX16245GX	ON Semiconductor	IC TXRX NON-INVERT 3.6V 54FBGA Logic Type: Transceiver, Non-Inverting Number of Elements: 2 Number of Bits per Element: 8 Input Type: - Output Type: 3-State Current - Output High, Low: 24mA, 24mA Voltage - Supply: 2 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 54-LFBGA Supplier Device Package: 54-FBGA (5.5x8)	封装: 54-LFBGA	库存29,760	2	8	-	3-State	24mA, 24mA	2 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	54-LFBGA	54-FBGA (5.5x8)
74VCXH162244MTX	ON Semiconductor	IC BUF NON-INVERT 3.6V 48TSSOP Logic Type: Buffer, Non-Inverting Number of Elements: 4 Number of Bits per Element: 4 Input Type: - Output Type: 3-State Current - Output High, Low: 12mA, 12mA Voltage - Supply: 1.4 V ~ 3.6 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 48-TFSOP (0.240", 6.10mm Width) Supplier Device Package: 48-TSSOP	封装: 48-TFSOP (0.240", 6.10mm Width)	库存6,816	4	4	-	3-State	12mA, 12mA	1.4 V ~ 3.6 V	-40°C ~ 85°C (TA)	Surface Mount	48-TFSOP (0.240", 6.10mm Width)	48-TSSOP
74ACT245MSAX	ON Semiconductor	IC TXRX NON-INVERT 5.5V 20SSOP Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: 3-State Current - Output High, Low: 24mA, 24mA Voltage - Supply: 4.5 V ~ 5.5 V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 20-SSOP (0.209", 5.30mm Width) Supplier Device Package: 20-SSOP	封装: 20-SSOP (0.209", 5.30mm Width)	库存7,856	1	8	-	3-State	24mA, 24mA	4.5 V ~ 5.5 V	-40°C ~ 85°C (TA)	Surface Mount	20-SSOP (0.209", 5.30mm Width)	20-SSOP
QS29FCT53ATSO	Quality Semiconductor	BUS TRANSCEIVER, FCT SERIES Logic Type: - Number of Elements: - Number of Bits per Element: - Input Type: - Output Type: - Current - Output High, Low: - Voltage - Supply: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	封装: -	Request a Quote	-	-	-	-	-	-	-	-	-	-
74BCT652SC	National Semiconductor	IC TXRX NON-INVERT 5.5V 24SOP Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: 3-State Current - Output High, Low: 15mA, 64mA Voltage - Supply: 4.5V ~ 5.5V Operating Temperature: 0°C ~ 70°C (TA) Mounting Type: Surface Mount Package / Case: 24-SOIC (0.295", 7.50mm Width) Supplier Device Package: 24-SOP	封装: -	Request a Quote	1	8	-	3-State	15mA, 64mA	4.5V ~ 5.5V	0°C ~ 70°C (TA)	Surface Mount	24-SOIC (0.295", 7.50mm Width)	24-SOP
SN54LS244J	Texas Instruments	MILITARY 8-CH, 4.5-V TO 5.5-V BI Logic Type: Buffer, Non-Inverting Number of Elements: 2 Number of Bits per Element: 4 Input Type: Schmitt Trigger Output Type: 3-State Current - Output High, Low: 12mA, 12mA Voltage - Supply: 4.5V ~ 5.5V Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Through Hole Package / Case: 20-CDIP (0.300", 7.62mm) Supplier Device Package: 20-CDIP	封装: -	Request a Quote	2	4	Schmitt Trigger	3-State	12mA, 12mA	4.5V ~ 5.5V	-55°C ~ 125°C (TA)	Through Hole	20-CDIP (0.300", 7.62mm)	20-CDIP
NC7WZ17P6X-L22347	onsemi	IC BUFFER NON-INVERT 5.5V SC70-6 Logic Type: Buffer, Non-Inverting Number of Elements: 2 Number of Bits per Element: 1 Input Type: Schmitt Trigger Output Type: Push-Pull Current - Output High, Low: 32mA, 32mA Voltage - Supply: 1.65V ~ 5.5V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 6-TSSOP, SC-88, SOT-363 Supplier Device Package: SC-70-6	封装: -	Request a Quote	2	1	Schmitt Trigger	Push-Pull	32mA, 32mA	1.65V ~ 5.5V	-40°C ~ 85°C (TA)	Surface Mount	6-TSSOP, SC-88, SOT-363	SC-70-6
SN74LVT245BNS	Texas Instruments	PROTOTYPE Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: 3-State Current - Output High, Low: 32mA, 64mA Voltage - Supply: 2.7V ~ 3.6V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 20-SOIC (0.209", 5.30mm Width) Supplier Device Package: 20-SO	封装: -	Request a Quote	1	8	-	3-State	32mA, 64mA	2.7V ~ 3.6V	-40°C ~ 85°C (TA)	Surface Mount	20-SOIC (0.209", 5.30mm Width)	20-SO
SN74LXC8T245RHLR	Texas Instruments	IC TRANSLTR BIDIRECTIONAL 24VQFN Logic Type: Translation Transceiver Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: 3-State Current - Output High, Low: 32mA, 32mA Voltage - Supply: 1.08V ~ 5.5V Operating Temperature: -40°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 24-VFQFN Exposed Pad Supplier Device Package: 24-VQFN (5.5x3.5)	封装: -	库存10,866	1	8	-	3-State	32mA, 32mA	1.08V ~ 5.5V	-40°C ~ 125°C (TA)	Surface Mount	24-VFQFN Exposed Pad	24-VQFN (5.5x3.5)
V62-23618-01XE	Texas Instruments	ENHANCED-PRODUCT5-V OCTAL-BUS TR Logic Type: Transceiver, Non-Inverting Number of Elements: 1 Number of Bits per Element: 8 Input Type: - Output Type: 3-State Current - Output High, Low: 8mA, 8mA Voltage - Supply: 4.5V ~ 5.5V Operating Temperature: -55°C ~ 125°C (TA) Mounting Type: Surface Mount Package / Case: 20-TSSOP (0.173", 4.40mm Width) Supplier Device Package: 20-TSSOP	封装: -	Request a Quote	1	8	-	3-State	8mA, 8mA	4.5V ~ 5.5V	-55°C ~ 125°C (TA)	Surface Mount	20-TSSOP (0.173", 4.40mm Width)	20-TSSOP

74ALVT162241DGG:11

NXP

IC BUFF DVR TRI-ST 16BIT 48TSSOP

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 12mA, 12mA
Voltage - Supply: 2.3 V ~ 2.7 V, 3 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package: 48-TSSOP

封装: 48-TFSOP (0.240", 6.10mm Width)

库存2,100

4

-

Push-Pull

12mA, 12mA

2.3 V ~ 2.7 V, 3 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

48-TFSOP (0.240", 6.10mm Width)

48-TSSOP

74FCT2244ATSOCTE4

Texas Instruments

IC BUFF/DVR TRI-ST 8BIT 20SOIC

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 4
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 15mA, 12mA
Voltage - Supply: 4.75 V ~ 5.25 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 20-SOIC

封装: 20-SOIC (0.295", 7.50mm Width)

库存2,000

2

4

-

Push-Pull

15mA, 12mA

4.75 V ~ 5.25 V

-40°C ~ 85°C (TA)

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SOIC

CY74FCT2244ATSOCT

Texas Instruments

IC BUFF/DVR TRI-ST 8BIT 20SOIC

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 4
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 15mA, 12mA
Voltage - Supply: 4.75 V ~ 5.25 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 20-SOIC

封装: 20-SOIC (0.295", 7.50mm Width)

库存2,640

2

4

-

Push-Pull

15mA, 12mA

4.75 V ~ 5.25 V

-40°C ~ 85°C (TA)

Surface Mount

20-SOIC (0.295", 7.50mm Width)

20-SOIC

74LVT2952D,112

NXP

IC TRANSCEIVER 8BIT N-INV 24SOIC

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 32mA, 64mA
Voltage - Supply: 2.7 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 24-SO

封装: 24-SOIC (0.295", 7.50mm Width)

库存7,200

1

8

-

Push-Pull

32mA, 64mA

2.7 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SO

74ABT2240CMTCX

Fairchild/ON Semiconductor

IC INVERTER DUAL 4-INPUT 20TSSOP

Logic Type: Buffer, Inverting
Number of Elements: 2
Number of Bits per Element: 4
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 32mA, 15mA
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package: 20-TSSOP

封装: 20-TSSOP (0.173", 4.40mm Width)

库存5,840

2

4

-

Push-Pull

32mA, 15mA

4.5 V ~ 5.5 V

-40°C ~ 85°C (TA)

Surface Mount

20-TSSOP (0.173", 4.40mm Width)

20-TSSOP

SN74LV245AGQNR

Texas Instruments

IC BUS TRANSCEIVER 8BIT 20BGA

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 16mA, 16mA
Voltage - Supply: 2 V ~ 5.5 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-VFBGA
Supplier Device Package: 20-BGA MICROSTAR JUNIOR (4x3)

封装: 20-VFBGA

库存4,720

1

8

-

Push-Pull

16mA, 16mA

2 V ~ 5.5 V

-40°C ~ 85°C (TA)

Surface Mount

20-VFBGA

20-BGA MICROSTAR JUNIOR (4x3)

74ABT162244DGG,112

Nexperia USA Inc.

IC BUFF DVR TRI-ST 16BIT 48TSSOP

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 32mA, 12mA
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package: 48-TSSOP

封装: 48-TFSOP (0.240", 6.10mm Width)

库存2,720

4

-

Push-Pull

32mA, 12mA

4.5 V ~ 5.5 V

-40°C ~ 85°C (TA)

Surface Mount

48-TFSOP (0.240", 6.10mm Width)

48-TSSOP

74LVTH16245BDGG,11

Nexperia USA Inc.

IC TXRX 16BIT 3.3V 3ST 48TSSOP

Logic Type: Transceiver, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 32mA, 64mA
Voltage - Supply: 2.7 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package: 48-TSSOP

封装: 48-TFSOP (0.240", 6.10mm Width)

库存2,816

2

8

-

Push-Pull

32mA, 64mA

2.7 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

48-TFSOP (0.240", 6.10mm Width)

48-TSSOP

SN74LS125ADRG4

Texas Instruments

IC BUS BUFF TRI-ST QD 14SOIC

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 1
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 2.6mA, 24mA
Voltage - Supply: 4.75 V ~ 5.25 V
Operating Temperature: 0°C ~ 70°C (TA)
Mounting Type: Surface Mount
Package / Case: 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package: 14-SOIC

封装: 14-SOIC (0.154", 3.90mm Width)

库存5,968

4

1

-

Push-Pull

2.6mA, 24mA

4.75 V ~ 5.25 V

0°C ~ 70°C (TA)

Surface Mount

14-SOIC (0.154", 3.90mm Width)

14-SOIC

SN74HC367PW

Texas Instruments

IC BUFF/DVR TRI-ST HEX 16TSSOP

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 2, 4 (Hex)
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 7.8mA, 7.8mA
Voltage - Supply: 2 V ~ 6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package: 16-TSSOP

封装: 16-TSSOP (0.173", 4.40mm Width)

库存6,144

2

2, 4 (Hex)

-

Push-Pull

7.8mA, 7.8mA

2 V ~ 6 V

-40°C ~ 85°C (TA)

Surface Mount

16-TSSOP (0.173", 4.40mm Width)

16-TSSOP

NLU2G07MUTCG

ON Semiconductor

IC BUFF DL OP/DRAIN N-INV 6UDFN

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 1
Input Type: -
Output Type: Open Drain
Current - Output High, Low: -, 8mA
Voltage - Supply: 1.65 V ~ 5.5 V
Operating Temperature: -55°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 6-UFDFN
Supplier Device Package: 6-UDFN (1.2x1)

封装: 6-UFDFN

库存5,088

2

1

-

Open Drain

-, 8mA

1.65 V ~ 5.5 V

-55°C ~ 125°C (TA)

Surface Mount

6-UFDFN

6-UDFN (1.2x1)

SN74AHCT245PWRE4

Texas Instruments

IC BUS TRANSCEIVER 8BIT 20TSSOP

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 8mA, 8mA
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package: 20-TSSOP

封装: 20-TSSOP (0.173", 4.40mm Width)

库存2,528

1

8

-

Push-Pull

8mA, 8mA

4.5 V ~ 5.5 V

-40°C ~ 125°C (TA)

Surface Mount

20-TSSOP (0.173", 4.40mm Width)

20-TSSOP

SN74LVTH245ARGYR

Texas Instruments

IC BUS TRANSCEIVER 8BIT 20QFN

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 32mA, 64mA
Voltage - Supply: 2.7 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-VFQFN Exposed Pad
Supplier Device Package: 20-VQFN (3.5x4.5)

封装: 20-VFQFN Exposed Pad

库存2,656

1

8

-

Push-Pull

32mA, 64mA

2.7 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

20-VFQFN Exposed Pad

20-VQFN (3.5x4.5)

74AVCH16245DGG,112

Nexperia USA Inc.

IC 16BIT TXRX W/DIR PIN 48-TSSOP

Logic Type: Transceiver, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 12mA, 12mA
Voltage - Supply: 1.2 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package: 48-TSSOP

封装: 48-TFSOP (0.240", 6.10mm Width)

库存20,124

2

8

-

Push-Pull

12mA, 12mA

1.2 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

48-TFSOP (0.240", 6.10mm Width)

48-TSSOP

SN74ABT162244DL

Texas Instruments

IC BUFF/DVR TRI-ST 16BIT 48SSOP

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 12mA, 12mA
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 48-BSSOP (0.295", 7.50mm Width)
Supplier Device Package: 48-SSOP

封装: 48-BSSOP (0.295", 7.50mm Width)

库存19,728

4

-

Push-Pull

12mA, 12mA

4.5 V ~ 5.5 V

-40°C ~ 85°C (TA)

Surface Mount

48-BSSOP (0.295", 7.50mm Width)

48-SSOP

CLVTH32244IGKEREP

Texas Instruments

IC BUFF/DVR TRI-ST 32BIT 96LFBGA

Logic Type: Buffer, Non-Inverting
Number of Elements: 8
Number of Bits per Element: 4
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 32mA, 64mA
Voltage - Supply: 2.7 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 96-LFBGA
Supplier Device Package: 96-LFBGA (13.5x5.5)

封装: 96-LFBGA

库存7,040

8

4

-

Push-Pull

32mA, 64mA

2.7 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

96-LFBGA

96-LFBGA (13.5x5.5)

CY74FCT646ATSOCT

Texas Instruments

IC 8BIT REGISTR TXRX 3ST 24-SOIC

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 32mA, 64mA
Voltage - Supply: 4.75 V ~ 5.25 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 24-SOIC

封装: 24-SOIC (0.295", 7.50mm Width)

库存4,576

1

8

-

Push-Pull

32mA, 64mA

4.75 V ~ 5.25 V

-40°C ~ 85°C (TA)

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOIC

SN74AHC541DBR

Texas Instruments

IC BUFF/DVR TRI-ST 8BIT 20SSOP

Logic Type: Buffer, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 8mA, 8mA
Voltage - Supply: 2 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package: 20-SSOP

封装: 20-SSOP (0.209", 5.30mm Width)

库存5,344

1

8

-

Push-Pull

8mA, 8mA

2 V ~ 5.5 V

-40°C ~ 125°C (TA)

Surface Mount

20-SSOP (0.209", 5.30mm Width)

20-SSOP

SN74BCT245PW

Texas Instruments

IC BUS TRANSCEIVER 8BIT 20TSSOP

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: Push-Pull
Current - Output High, Low: 3mA, 24mA; 15mA, 64mA
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: 0°C ~ 70°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package: 20-TSSOP

封装: 20-TSSOP (0.173", 4.40mm Width)

库存6,864

1

8

-

Push-Pull

3mA, 24mA; 15mA, 64mA

4.5 V ~ 5.5 V

0°C ~ 70°C (TA)

Surface Mount

20-TSSOP (0.173", 4.40mm Width)

20-TSSOP

SN74AUP1G126DPWR

Texas Instruments

IC BUF NON-INVERT 3.6V 5X2SON

Logic Type: Buffer, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 1
Input Type: -
Output Type: 3-State
Current - Output High, Low: 4mA, 4mA
Voltage - Supply: 0.8 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 5-XFDFN Exposed Pad
Supplier Device Package: 5-X2SON (0.80x0.80)

封装: 5-XFDFN Exposed Pad

库存28,398

1

-

3-State

4mA, 4mA

0.8 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

5-XFDFN Exposed Pad

5-X2SON (0.80x0.80)

74LCX16245GX

ON Semiconductor

IC TXRX NON-INVERT 3.6V 54FBGA

Logic Type: Transceiver, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 8
Input Type: -
Output Type: 3-State
Current - Output High, Low: 24mA, 24mA
Voltage - Supply: 2 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 54-LFBGA
Supplier Device Package: 54-FBGA (5.5x8)

封装: 54-LFBGA

库存29,760

2

8

-

3-State

24mA, 24mA

2 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

54-LFBGA

54-FBGA (5.5x8)

74VCXH162244MTX

ON Semiconductor

IC BUF NON-INVERT 3.6V 48TSSOP

Logic Type: Buffer, Non-Inverting
Number of Elements: 4
Number of Bits per Element: 4
Input Type: -
Output Type: 3-State
Current - Output High, Low: 12mA, 12mA
Voltage - Supply: 1.4 V ~ 3.6 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 48-TFSOP (0.240", 6.10mm Width)
Supplier Device Package: 48-TSSOP

封装: 48-TFSOP (0.240", 6.10mm Width)

库存6,816

4

-

3-State

12mA, 12mA

1.4 V ~ 3.6 V

-40°C ~ 85°C (TA)

Surface Mount

48-TFSOP (0.240", 6.10mm Width)

48-TSSOP

74ACT245MSAX

ON Semiconductor

IC TXRX NON-INVERT 5.5V 20SSOP

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: 3-State
Current - Output High, Low: 24mA, 24mA
Voltage - Supply: 4.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package: 20-SSOP

封装: 20-SSOP (0.209", 5.30mm Width)

库存7,856

1

8

-

3-State

24mA, 24mA

4.5 V ~ 5.5 V

-40°C ~ 85°C (TA)

Surface Mount

20-SSOP (0.209", 5.30mm Width)

20-SSOP

QS29FCT53ATSO

Quality Semiconductor

BUS TRANSCEIVER, FCT SERIES

Logic Type: -
Number of Elements: -
Number of Bits per Element: -
Input Type: -
Output Type: -
Current - Output High, Low: -
Voltage - Supply: -
Operating Temperature: -
Mounting Type: -
Package / Case: -
Supplier Device Package: -

封装: -

Request a Quote

-

74BCT652SC

National Semiconductor

IC TXRX NON-INVERT 5.5V 24SOP

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: 3-State
Current - Output High, Low: 15mA, 64mA
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C (TA)
Mounting Type: Surface Mount
Package / Case: 24-SOIC (0.295", 7.50mm Width)
Supplier Device Package: 24-SOP

封装: -

Request a Quote

1

8

-

3-State

15mA, 64mA

4.5V ~ 5.5V

0°C ~ 70°C (TA)

Surface Mount

24-SOIC (0.295", 7.50mm Width)

24-SOP

SN54LS244J

Texas Instruments

MILITARY 8-CH, 4.5-V TO 5.5-V BI

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 4
Input Type: Schmitt Trigger
Output Type: 3-State
Current - Output High, Low: 12mA, 12mA
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: -55°C ~ 125°C (TA)
Mounting Type: Through Hole
Package / Case: 20-CDIP (0.300", 7.62mm)
Supplier Device Package: 20-CDIP

封装: -

Request a Quote

2

4

Schmitt Trigger

3-State

12mA, 12mA

4.5V ~ 5.5V

-55°C ~ 125°C (TA)

Through Hole

20-CDIP (0.300", 7.62mm)

20-CDIP

NC7WZ17P6X-L22347

onsemi

IC BUFFER NON-INVERT 5.5V SC70-6

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 1
Input Type: Schmitt Trigger
Output Type: Push-Pull
Current - Output High, Low: 32mA, 32mA
Voltage - Supply: 1.65V ~ 5.5V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 6-TSSOP, SC-88, SOT-363
Supplier Device Package: SC-70-6

封装: -

Request a Quote

2

1

Schmitt Trigger

Push-Pull

32mA, 32mA

1.65V ~ 5.5V

-40°C ~ 85°C (TA)

Surface Mount

6-TSSOP, SC-88, SOT-363

SC-70-6

SN74LVT245BNS

Texas Instruments

PROTOTYPE

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: 3-State
Current - Output High, Low: 32mA, 64mA
Voltage - Supply: 2.7V ~ 3.6V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-SOIC (0.209", 5.30mm Width)
Supplier Device Package: 20-SO

封装: -

Request a Quote

1

8

-

3-State

32mA, 64mA

2.7V ~ 3.6V

-40°C ~ 85°C (TA)

Surface Mount

20-SOIC (0.209", 5.30mm Width)

20-SO

SN74LXC8T245RHLR

Texas Instruments

IC TRANSLTR BIDIRECTIONAL 24VQFN

Logic Type: Translation Transceiver
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: 3-State
Current - Output High, Low: 32mA, 32mA
Voltage - Supply: 1.08V ~ 5.5V
Operating Temperature: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 24-VFQFN Exposed Pad
Supplier Device Package: 24-VQFN (5.5x3.5)

封装: -

库存10,866

1

8

-

3-State

32mA, 32mA

1.08V ~ 5.5V

-40°C ~ 125°C (TA)

Surface Mount

24-VFQFN Exposed Pad

24-VQFN (5.5x3.5)

V62-23618-01XE

Texas Instruments

ENHANCED-PRODUCT5-V OCTAL-BUS TR

Logic Type: Transceiver, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Input Type: -
Output Type: 3-State
Current - Output High, Low: 8mA, 8mA
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: -55°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package: 20-TSSOP

封装: -

Request a Quote

1

8

-

3-State

8mA, 8mA

4.5V ~ 5.5V

-55°C ~ 125°C (TA)

Surface Mount

20-TSSOP (0.173", 4.40mm Width)

20-TSSOP