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74F2645SC Datasheet

  • 74F2645SC

  • Octal Bus Transceiver with 25ヘ Series Resistors in the Outp...

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  • FAIRCHILD

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74F2645 Octal Bus Transceiver
November 1989
Revised August 1999
74F2645
Octal Bus Transceiver
with 25鈩?Series Resistors in the Outputs
General Description
This device is an octal bus transceiver designed for asyn-
chronous two-way data flow between the A and B busses
and is functionally equivalent to the 74F645. The 25鈩?/div>
series resistors in the outputs reduce ringing and eliminate
the need for external resistors. Both busses are capable of
sinking 12 mA, sourcing 15 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
74F2645 is a low power version of the 74F245 with 25鈩?/div>
series resistors in the outputs.
Features
s
25鈩?series resistors in the outputs eliminates the need
for external resistors
s
Designed for asynchronous two-way data flow between
busses
s
Outputs sink 12 mA and source 15 mA
s
Transmit/receive (T/R) input controls the direction of
data flow
s
74F2645 is a low power version of the 74F245 with 25鈩?/div>
series resistors in the outputs
Ordering Code:
Order Number
74F2645SC
Package Number
M20B
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
Connection Diagram
FAST廬 is a registered trademark of Fairchild Semiconductor Corporation.
漏 1999 Fairchild Semiconductor Corporation
DS010629
www.fairchildsemi.com

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