TL/F/9483
54F/74F157A
Quad
2-Input
Multiplexer
November 1994
54F/74F157A
Quad 2-Input Multiplexer
General Description
The ’F157A 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 (non-inverted) form. The
’F157A can also be used to generate any four of the 16
different functions to two variables.
Features
Y
Guaranteed 4000V minimum ESD protection
Commercial Military
Package
Package Description
Number
74F157APC N16E 16-Lead (0.300 Wide) Molded Dual-In-Line
54F157ADM (Note 2) J16A 16-Lead Ceramic Dual-In-Line
74F157ASC (Note 1) M16A 16-Lead (0.150 Wide) Molded Small Outline, JEDEC
74F157ASJ (Note 1) M16D 16-Lead (0.300 Wide) Molded Small Outline, EIAJ
54F157AFM (Note 2) W16A 16-Lead Cerpack
54F157ALM (Note 2) E20A 20-Lead Ceramic Leadless Chip Carrier, Type C
Note 1: Devices also available in 13 reel. Use suffix e SCX and SJX.
Note 2: Military grade device with environmental and burn-in processing. Use suffix e DMQB, FMQB and LMQB.
Logic Symbols
TL/F/9483–3
IEEE/IEC
TL/F/9483–5
Connection Diagrams
Pin Assignment
for DIP, SOIC and Flatpak
TL/F/9483–1
Pin Assignment
for LCC
TL/F/9483–2
TRI-STATE is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation RRD-B30M75/Printed in U. S. A.