54AC821 Datasheet, PDF (1/11 Pages) National Semiconductor (TI) – 10-Bit D Flip-Flop with TRI-STATE Outputs

54AC821/54ACT821
OBSOLETE
August 1, 2011
10-Bit D Flip-Flop with TRI-STATE^® Outputs
General Description
The 'AC/'ACT821 is a 10-bit D flip-flop with TRI-STATE out-
puts arranged in a broadside pinout.
The 'AC/'ACT821 is functionally identical to the AM29821.
Features
■ ^{TRI-STATE outputs for bus interfacing}
■ ^{Noninverting outputs}
■ ^{Outputs source/sink 24 mA}
■ ^{'ACT821 has TTL-compatible inputs}
■ ^{Standard Microcircuit Drawing (SMD)}
—'ACT821: 5962-88705
—'AC821: 5962-91606
Logic Symbols
Connection Diagrams
Pin Assignment
for DIP and Flatpak
IEEE/IEC
10035501
10035503
Pin Assignment for LCC
Pin Names
D₀–D₉
O₀–O₉
OE
CP
10035502
Description
Data Inputs
Data Outputs
Output Enable Input
Clock Input
10035504
TRI-STATE^® is a registered trademark of National Semiconductor Corporation.
FACT™ is a trademark of Fairchild Semiconductor
© 2011 National Semiconductor Corporation 100355
100355 Version 2 Revision 2 Print Date/Time: 2011/08/01 09:34:58
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