June 1989
54150/DM54150/DM74150,
54151A/DM54151A/DM74151A
Data Selectors/Multiplexers
General Description
Features
Y
Y
Y
Y
Y
Y
150 selects one-of-sixteen data lines
151A selects one-of-eight data lines
Performs parallel-to-serial conversion
Permits multiplexing from N lines to one line
Also for use as Boolean function generator
These data selectors/multiplexers contain full on-chip de-
coding to select the desired data source. The 150 selects
one-of-sixteen data sources; the 151A selects one-of-eight
data sources. The 150 and 151A have a strobe input which
must be at a low logic level to enable these devices. A high
level at the strobe forces the W output high and the Y output
(as applicable) low.
Typical average propagation delay time, data input to W
output
The 151A features complementary W and Y outputs, where-
as the 150 has an inverted (W) output only.
150
151A
11 ns
9 ns
Y
Y
The 151A incorporates address buffers which have sym-
metrical propagation delay times through the complementa-
ry paths. This reduces the possibility of transients occurring
at the output(s) due to changes made at the select inputs,
even when the 151A outputs are enabled (i.e., strobe low).
Typical power dissipation
150 200 mW
151A 135 mW
Alternate Military/Aerospace device (54150, 54151A) is
available. Contact a National Semiconductor Sales Of-
fice/Distributor for specifications.
Connection Diagrams
Dual-In-Line Package
Dual-In-Line Package
TL/F/6546–1
Order Number 54150DQMB, 54150FMQB,
DM54150J or DM74150N
TL/F/6546–2
Order Number 54151ADMQB, 54151AFMQB,
DM54151AJ, DM54151AW or DM74151AN
See NS Package Number J24A, N24A or W24C
See NS Package Number J16A, N16E or W16A
C
1995 National Semiconductor Corporation
TL/F/6546
RRD-B30M105/Printed in U. S. A.
NSC [ National Semiconductor ]
