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54ACQ373L Datasheet

  • 54ACQ373L

  • Quiet Series Octal Transparent Latch with TRI-STATE Outputs

  • 8頁

  • NSC

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54ACQQ373
鈥?/div>
54ACTQ373 Quiet Series Octal Transparent Latch with TRI-STATE Outputs
September 1998
54ACQ373
鈥?/div>
54ACTQ373
Quiet Series Octal Transparent Latch with TRI-STATE
廬
Outputs
General Description
The 鈥橝CQ/鈥橝CTQ373 consists of eight latches with
TRI-STATE outputs for bus organized system applications.
The latches appear transparent to the data when Latch En-
able (LE) is HIGH. When LE is low, the data satisfying the in-
put timing requirements is latched. Data appears on the bus
when the Output Enable (OE) is LOW. When OE is HIGH,
the bus output is in the high impedance state.
The 鈥橝CQ/鈥橝CTQ373 utilizes NSC Quiet Series technology
to guarantee quiet output switching and improve dynamic
threshold performance. FACT Quiet Series
鈩?/div>
features
GTO
鈩?/div>
output control and undershoot corrector in addition to
a split ground bus for superior performance.
Features
n
I
CC
and I
OZ
reduced by 50%
n
Guaranteed simultaneous switching noise level and
dynamic threshold performance
n
Improved latch up immunity
n
Eight latches in a single package
n
TRI-STATE outputs drive bus lines or buffer memory
address registers
n
Outputs source/sink 24 mA
n
Faster prop delays than the standard 鈥橝C/鈥橝CT373
n
4 kV minimum ESD immunity (鈥橝CQ)
n
Standard Military Drawing (SMD)
鈥?鈥橝CTQ373: 5962-92188
鈥?鈥橝CQ373: 5962-92178
Logic Symbols
IEEE/IEC
DS100238-1
DS100238-2
Pin Names
D
0
鈥揇
7
LE
OE
O
0
鈥揙
7
Data Inputs
Description
Latch Enable Input
Output Enable Input
TRI-STATE Latch Outputs
GTO
鈩?/div>
is a trademark of National Semiconductor Corporation.
TRI-STATE
廬
is a registered trademark of National Semiconductor Corporation.
FACT
廬
is a registered trademark of Fairchild Semiconductor Corporation.
FACT Quiet Series
鈩?/div>
is a trademark of Fairchild Semiconductor Corporation.
漏 1998 National Semiconductor Corporation
DS100238
www.national.com

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