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What is 74F640SC?

This electronic component, produced by the manufacturer "Fairchild", performs the same function as "Octal Bus Transceiver with 3-STATE Outputs".


74F640SC Datasheet PDF - Fairchild

Part Number 74F640SC
Description Octal Bus Transceiver with 3-STATE Outputs
Manufacturers Fairchild 
Logo Fairchild Logo 


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July 1989
Revised August 1999
74F640 • 74F645
Octal Bus Transceiver with 3-STATE Outputs
General Description
These devices are octal bus transceivers designed for
asynchronous two-way data flow between the A and B bus-
ses. Both busses are capable of sinking 64 mA, have 3-
STATE outputs, and a common output enable pin. The
direction of data flow is determined by the transmit/receive
(T/R) input. The 74F645 is a high speed/low power version
of the 74F245. The 74F640 is an inverting option of the
74F645.
Features
s Designed for asynchronous two-way data flow between
busses
s Outputs sink 64 mA
s Transmit/receive (T/R) input controls the direction of
data flow
s 74F645 is a lower power, faster version of the 74F245
s 74F640 is an inverting option of the 74F645
Ordering Code:
Order Number Package Number
Package Description
74F640SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74F640PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
74F645PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
© 1999 Fairchild Semiconductor Corporation DS010267
www.fairchildsemi.com

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74F640SC equivalent
Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
Package Number M20B
5 www.fairchildsemi.com


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Featured Datasheets

Part NumberDescriptionMFRS
74F640SCThe function is Octal Bus Transceiver with 3-STATE Outputs. FairchildFairchild

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