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54ACTQ373F View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54ACTQ373F Quiet Series Octal Transparent Latch with TRI-STATE® Outputs National-Semiconductor
National ->Texas Instruments National-Semiconductor
54ACTQ373F Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
September 1998
54ACQ373 54ACTQ373
Quiet Series Octal Transparent Latch with TRI-STATE®
Outputs
General Description
The ’ACQ/’ACTQ373 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 ’ACQ/’ACTQ373 utilizes NSC Quiet Series technology
to guarantee quiet output switching and improve dynamic
threshold performance. FACT Quiet Seriesfeatures
GTOoutput control and undershoot corrector in addition to
a split ground bus for superior performance.
Features
n ICC and IOZ 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 ’AC/’ACT373
n 4 kV minimum ESD immunity (’ACQ)
n Standard Military Drawing (SMD)
— ’ACTQ373: 5962-92188
— ’ACQ373: 5962-92178
Logic Symbols
IEEE/IEC
DS100238-1
Pin Names
D0– D7
LE
OE
O0– O7
Description
Data Inputs
Latch Enable Input
Output Enable Input
TRI-STATE Latch Outputs
DS100238-2
GTOis a trademark of National Semiconductor Corporation.
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
FACT Quiet Seriesis a trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100238
www.national.com
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