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54ACT253D View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54ACT253D Dual 4-Input Multiplexer with TRI-STATE® Outputs National-Semiconductor
National ->Texas Instruments National-Semiconductor
54ACT253D Datasheet PDF : 0 Pages
August 1998
54AC253 54ACT253
Dual 4-Input Multiplexer with TRI-STATE® Outputs
General Description
The ’AC/’ACT253 is a dual 4-input multiplexer with
TRI-STATE outputs. It can select two bits of data from four
sources using common select inputs. The outputs may be in-
dividually switched to a high impedance state with a HIGH
on the respective Output Enable (OE) inputs, allowing the
outputs to interface directly with bus oriented systems.
n Multifunction capability
n Noninverting TRI-STATE outputs
n Outputs source/sink 24 mA
n ’ACT253 has TTL-compatible inputs
n Standard Military Drawing (SMD)
— ’AC253: 5962-87693
— ’ACT253: 5962-87761
n ICC and IOZ reduced by 50%
Logic Diagrams
Pin Names
I0a– I3a
I0b– I3b
S0, S1
Za, Zb
Side A Data Inputs
Side B Data Inputs
Common Select Inputs
Side A Output Enable Input
Side B Output Enable Input
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACT® is a registered trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100285
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