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54ABT573 数据表(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 54ABT573
功能描述  Octal D-Type Latch with TRI-STATE Outputs
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

54ABT573 数据表(HTML) 1 Page - National Semiconductor (TI)

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54ABT573
Octal D-Type Latch with TRI-STATE® Outputs
General Description
The ’ABT573 is an octal latch with buffered common Latch
Enable (LE) and buffered common Output Enable (OE) in-
puts.
This device is functionally identical to the ’ABT373 but has
different pinouts.
Features
n Inputs and outputs on opposite sides of package allow
easy interface with microprocessors
n Useful as input or output port for microprocessors
n Functionally identical to ’ABT373
n TRI-STATE outputs for bus interfacing
n Output sink capability of 48 mA, source capability of
24 mA
n Output switching specified for both 50 pF and 250 pF
loads
n Guaranteed latchup protection
n High impedance glitch-free bus loading during entire
power up and power down
n Nondestructive hot insertion capability
n Standard Microcircuit Drawing (SMD) 5962-9321901
Ordering Code
Military
Package
Package Description
Number
54ABT573J-QML
J20A
20-Lead Ceramic Dual-In-Line
54ABT573W-QML
W20A
20-Lead Cerpack
54ABT573E-QML
E20A
20-Lead Ceramic Leadless Chip Carrier, Type C
Connection Diagram
Pin
Names
Description
D
0–D7
Data Inputs
LE
Latch Enable Input (Active HIGH)
OE
TRI-STATE Output Enable Input
(Active LOW)
O
0–O7
TRI-STATE Latch Outputs
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
Pin Assignment
for DIP and Cerpack
DS100219-1
Pin Assignment
for LCC
DS100219-39
July 1998
© 1998 National Semiconductor Corporation
DS100219
www.national.com


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