54AC253 Datasheet, PDF (1/8 Pages) National Semiconductor (TI) – Dual 4-Input Multiplexer with TRI-STATE Outputs

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
Features
n I_CC and I_OZ reduced by 50%
Logic Diagrams
IEEE/IEC
DS100285-1
Pin Names
I_0a– I_3a
I_0b– I_3b
S₀, S₁
OE_a
OE_b
Z_a, Z_b
Description
Side A Data Inputs
Side B Data Inputs
Common Select Inputs
Side A Output Enable Input
Side B Output Enable Input
TRI-STATE Outputs
DS100285-2
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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