54ACT825 8-Bit D Flip-Flop
February 1999
54ACT825
8-Bit D Flip-Flop
General Description
The 鈥橝CT825 is an 8-bit buffered register. They have Clock
Enable and Clear features which are ideal for parity bus in-
terfacing in high performance microprogramming systems.
Also included are multiple enables that allow multi-use con-
trol of the interface. The 鈥橝CT825 has noninverting outputs
and is fully compatible with AMD鈥檚 Am29825.
Features
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Outputs source/sink 24 mA
Inputs and outputs are on opposite sides
鈥橝CT825 has TTL-compatible inputs
Standard Microcircuit Drawing (SMD)
鈥?鈥橝CT825: 5962-91611
Logic Symbols
IEEE/IEC
DS100254-1
DS100254-3
Pin Names
D
0
鈥揇
7
O
0
鈥揙
7
OE
1
, OE
2
, OE
3
EN
CLR
CP
Description
Data Inputs
Data Outputs
Output Enables
Clock Enable
Clear
Clock Input
FACT
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is a trademark of Fairchild Semiconductor.
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
漏 1999 National Semiconductor Corporation
DS100254
www.national.com
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