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54AC157 Datasheet, PDF (1/10 Pages) National Semiconductor (TI) – Quad 2-Input Multiplexer
OBSOLETE
54AC157, 54ACT157
www.ti.com
SNOS089B – JULY 1998 – REVISED APRIL 2013
54ACT157 • 54AC157 Quad 2-Input Multiplexer
Check for Samples: 54AC157, 54ACT157
FEATURES
1
•23 ICC and IOZ Reduced by 50%
• Outputs Source/Sink 24 mA
• 'ACT157 has TTL-Compatible Inputs
• Standard Microcircuit Drawing (SMD)
– 'AC157: 5962-89539
– 'ACT157: 5962-89688
DESCRIPTION
The 'AC/'ACT157 is a high-speed quad 2-input
multiplexer. Four bits of data from two sources can be
selected using the common Select and Enable inputs.
The four outputs present the selected data in the true
(noninverted) form. The 'AC/'ACT157 can also be
used as a function generator.
Logic Symbols
Figure 1.
Figure 2. IEEE/IEC
Pin Names
I0a–I0d
I1a–I1d
E
S
Za–Zd
Description
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input
Select Input
Outputs
1
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
FACT is a registered trademark of Fairchild Semiconductor.
2
All other trademarks are the property of their respective owners.
3
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 1998–2013, Texas Instruments Incorporated