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SN74HC643N by: Texas Instruments

Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20

Part Details for SN74HC643N by Texas Instruments

Results Overview of SN74HC643N by Texas Instruments

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Applications Education and Research Financial Technology (Fintech)

SN74HC643N Information

SN74HC643N by Texas Instruments is a Bus Driver/Transceiver.
Bus Driver/Transceivers are under the broader part category of Logic Components.

Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.

Price & Stock for SN74HC643N

Part # Distributor Description Stock Price Buy
Vyrian Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 8848
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US Tariff Estimator: SN74HC643N by Texas Instruments

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SN74HC643N
Texas Instruments
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SN74HC643N Part Data Attributes

SN74HC643N Texas Instruments
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SN74HC643N Texas Instruments Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20
Part Life Cycle Code Obsolete
Part Package Code DIP
Package Description 0.300 Inch, Plastic, Dip-20
Pin Count 20
HTS Code 8542.39.00.60
Additional Feature Inverted Outputs Port A To B
Control Type Common Control
Count Direction Bidirectional
Family Hc/Uh
JESD-30 Code R-PDIP-T20
Length 24.325 Mm
Load Capacitance (CL) 150 Pf
Logic IC Type Bus Transceiver
Max I(ol) 0.0078 A
Number of Bits 8
Number of Functions 1
Number of Ports 2
Number of Terminals 20
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Characteristics 3-State
Output Polarity True
Package Body Material Plastic/Epoxy
Package Code DIP
Package Equivalence Code DIP20,.3
Package Shape Rectangular
Package Style In-Line
Peak Reflow Temperature (Cel) Not Specified
Power Supply Current-Max (ICC) 0.08 Ma
Prop. Delay@Nom-Sup 28 Ns
Propagation Delay (tpd) 245 Ns
Qualification Status Not Qualified
Seated Height-Max 5.08 Mm
Supply Voltage-Max (Vsup) 6 V
Supply Voltage-Min (Vsup) 2 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount No
Technology Cmos
Temperature Grade Industrial
Terminal Form Through-Hole
Terminal Pitch 2.54 Mm
Terminal Position Dual
Time@Peak Reflow Temperature-Max (s) Not Specified
Width 7.62 Mm

Alternate Parts for SN74HC643N

This table gives cross-reference parts and alternative options found for SN74HC643N. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74HC643N, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
SN54HC645J-00 Texas Instruments Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs SN54HC645J-00
SNJ54HC645J-00 Texas Instruments Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs SNJ54HC645J-00
SN74HC645N-10 Texas Instruments Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs SN74HC645N-10
CD74HC643EX Harris Semiconductor Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs CD74HC643EX
CD54HC643F/3 Intersil Corporation Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs CD54HC643F/3
MM74HC643J Texas Instruments Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs MM74HC643J
M74HC645-1P Mitsubishi Electric Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs M74HC645-1P
M54HC643F1R STMicroelectronics Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs M54HC643F1R
MM54HC643J Texas Instruments Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs MM54HC643J
M74HC643-1P Mitsubishi Electric Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs M74HC643-1P
Part Number Manufacturer Composite Price Description Compare
TC74HC643AP Toshiba America Electronic Components Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs TC74HC643AP
CD54HC643F/3 Harris Semiconductor Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs CD54HC643F/3
M54HC643F1R STMicroelectronics Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs M54HC643F1R
HD74HC643P Renesas Electronics Corporation Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs HD74HC643P
M74HC645-1P Mitsubishi Electric Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs M74HC645-1P
M54HC643F1 STMicroelectronics Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs M54HC643F1
CD54HC643F/3 Intersil Corporation Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs CD54HC643F/3
74HC643NB NXP Semiconductors Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs 74HC643NB
CD74HC643EX Harris Semiconductor Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, PDIP20 SN74HC643N vs CD74HC643EX
SN54HC645J-00 Texas Instruments Check for Price Bus Transceiver, HC/UH Series, 1-Func, 8-Bit, True Output, CMOS, CDIP20 SN74HC643N vs SN54HC645J-00
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