dm74ls151 National Semiconductor Corporation, dm74ls151 Datasheet

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dm74ls151

Manufacturer Part Number
dm74ls151
Description
Data Selector/multiplexer
Manufacturer
National Semiconductor Corporation
Datasheet

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C 1995 National Semiconductor Corporation
54LS151 DM54LS151 DM74LS151
Data Selector Multiplexer
General Description
This data selector multiplexer contains full on-chip decod-
ing to select the desired data source The ’LS151 selects
one-of-eight data sources The ’LS151 has 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 low
The ’LS151 features complementary W and Y outputs
Connection Diagram
Truth Table
Order Number 54LS151DMQB 54LS151FMQB 54LS151LMQB
TL F 6392
DM54LS151J DM54LS151W DM74LS151M or DM74LS151N
See NS Package Number E20A J16A M16A N16E or W16A
H
D0 D1 D7
e
C
H
H
H
H
X
L
L
L
L
High Level L
Select
e
B
X
H
H
H
H
L
L
L
L
the level of the respective D input
e
Inputs
Low Level X
Dual-In-Line Package
A
X
H
H
H
H
L
L
L
L
e
Strobe
Don’t Care
Features
Y
Y
Y
Y
Y
Y
Y
H
S
L
L
L
L
L
L
L
L
Select 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
Typical average propagation delay time data input to W
output 12 5 ns
Typical power dissipation 30 mW
Alternate Military Aerospace device (54LS151) is avail-
able Contact a National Semiconductor Sales Office
Distributor for specifications
D0
D1
D2
D3
D4
D5
D6
D7
Y
L
Outputs
D0
D1
D2
D3
D4
D5
D6
D7
W
H
TL F 6392 – 1
RRD-B30M105 Printed in U S A
June 1989

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dm74ls151 Summary of contents

Page 1

... A high level at the strobe forces the W output high and the Y output low The ’LS151 features complementary W and Y outputs Connection Diagram Order Number 54LS151DMQB 54LS151FMQB 54LS151LMQB DM54LS151J DM54LS151W DM74LS151M or DM74LS151N See NS Package Number E20A J16A M16A N16E or W16A Truth Table Select C X ...

Page 2

... Max Max Max DM54 (Note 2) DM74 b V Max (Note DM74LS151 Units Min Nom Max Typ Max Units (Note ...

Page 3

Switching Characteristics Symbol Parameter t Propagation Delay Time PLH Low to High Level Output t Propagation Delay Time PHL High to Low Level Output t Propagation Delay Time PLH Low to High Level Output t Propagation Delay Time PHL High ...

Page 4

Physical Dimensions inches (millimeters) Ceramic Leadless Chip Carrier Package (E) Order Number 54LS151DMQB or DM54LS151J Order Number 54LS151LMQB NS Package Number E20A Ceramic Dual-In-Line Package (J) NS Package Number J16A 4 ...

Page 5

... Physical Dimensions inches (millimeters) (Continued) 16-Lead Small Outline Molded Package (M) 16-Lead Molded Dual-In-Line Package (N) Order Number DM74LS151M NS Package Number M16A Order Number DM74LS151N NS Package Number N16E 5 ...

Page 6

Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flat Package (W) Order Number 54LS151FMQB or DM54LS151W LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF ...

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