54ACT564 Octal D-Type Flip-Flop with TRI-STATE Outputs
September 1998
54ACT564
Octal D-Type Flip-Flop with TRI-STATE
廬
Outputs
General Description
The 鈥橝CT564 is a high-speed, low power octal flip-flop with a
buffered common Clock (CP) and a buffered common Out-
put Enable (OE). The information presented to the D inputs
is stored in the flip-flops on the LOW-to-HIGH Clock (CP)
transition.
The 鈥橝CT564 is functionally identical to the 鈥橝CT574, but
with inverted outputs.
Features
n
I
CC
and I
OZ
reduced by 50%
n
Inputs and outputs on opposite sides of package
allowing easy interface with microprocessors
n
Useful as input or output port for microprocessors
n
Functionally identical to 鈥橝CT574 but with inverted
outputs
n
TRI-STATE outputs for bus-oriented applications
n
Outputs source/sink 24 mA
n
鈥橝CT564 has TTL-compatible inputs
n
Standard Microcircuit Drawing (SMD) 5962-89557
Logic Symbols
IEEE/IEC
DS100994-1
DS100994-2
Pin Names
D
0
鈥揇
7
CP
OE
O
0
鈥揙
7
Data Inputs
Description
Clock Pulse Input
TRI-STATE Output Enable Input
TRI-STATE Outputs
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
FACT
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is a trademark of Fairchild Semiconductor Corporation.
漏 1998 National Semiconductor Corporation
DS100994
www.national.com
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