© 2000 Fairchild Semiconductor Corporation DS009894 www.fairchildsemi.com
July 1988
Revised September 2000
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74ACT823
9-Bit D-Type Flip-Flop
General Description
The ACT823 is a 9-bit buffered register. It features Clock
Enable and Clear which are ideal for parity bus interfacing
in high performance microprogramming systems. The
ACT823 offers noninverting outputs.
Features
a73 Outputs source/sink 24 mA
a73 3-STATE outputs for bus interfacing
a73 Inputs and outputs are on opposite sides
a73 TTL compatible inputs

Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. (SPC not available in Tape and Reel.)
Logic Symbols
IEEE/IEC
Connection Diagram
Pin Descriptions
FACT is a trademark of Fairchild Semiconductor Corporation.
Order Number Package Number Package Description
74ACT823SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74ACT823MTC MTC24 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74ACT823SPC N24C 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names Description
D
0
–D
8
Data Inputs
O
0
–O
8
Data Outputs
OE Output Enable
CLR Clear
CP Clock Input
EN Clock Enable