54ACT573 Octal Latch with TRI-STATE Outputs
August 1998
54ACT573
Octal Latch with TRI-STATE
廬
Outputs
General Description
The 鈥橝CT573 is a high-speed octal latch with buffered com-
mon Latch Enable (LE) and buffered common Output Enable
(OE) inputs.
The 鈥橝CT573 is functionally identical to the 鈥橝CT373 but has
inputs and outputs on opposite sides.
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CT373
n
TRI-STATE outputs for bus interfacing
n
Outputs source/sink 24 mA
n
鈥橝CT573 has TTL-compatible inputs
n
Standard Military Drawing (SMD)
鈥?鈥橝CT573: 5962-87664
Logic Symbols
IEEE/IEC
DS100332-1
DS100332-2
Pin Names
D
0
鈥揇
7
LE
OE
O
0
鈥揙
7
Data Inputs
Description
Latch Enable Input
TRI-STATE Output Enable Input
TRI-STATE Latch Outputs
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
FACT
廬
is a registered trademark of Fairchild Semiconductor Corporation.
漏 1998 National Semiconductor Corporation
DS100332
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