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DM74125 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. DM74125
Description  Quad TRI-STATE Buffers
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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DM74125 Datasheet(HTML) 1 Page - National Semiconductor (TI)

   
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TLF6540
June 1989
54125DM54125DM74125
Quad TRI-STATE
Buffers
General Description
This device contains four independent gates each of which
performs a non-inverting buffer function The outputs have
the TRI-STATE feature When enabled the outputs exhibit
the low impedance characteristics of a standard TTL output
with additional drive capability at the high Logic level to per-
mit the driving of bus lines without external pull-up resistors
When disabled both the output transistors are turned off
presenting a high-impedance state to the bus line Thus the
output will act neither as a significant load nor as a driver
To minimize the possibility that two outputs will attempt to
take a common bus to opposite logic levels the disable time
is shorter than the enable time of the outputs
Features
Y
Alternate MilitaryAerospace device (54125) is avail-
able Contact a National Semiconductor Sales Office
Distributor for specifications
Connection Diagram
Dual-In-Line Package
TLF6540 – 1
Order Number 54125DMQB 54125FMQB DM54125J DM54125W or DM74125N
See NS Package Number J14A N14A or W14B
Function Table
Y e A
Inputs
Output
AC
Y
LL
L
HL
H
X
H
Hi-Z
H e High Logic Level
L e Low Logic Level
X e Either Low or High Logic Level
Hi-Z e TRI-STATE (Outputs are disabled)
TRI-STATE
is a registered trademark of National Semiconductor Corporation
C1995 National Semiconductor Corporation
RRD-B30M105Printed in U S A


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