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Teilenummer | 54150 |
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Beschreibung | Data Selectors/Multiplexers | |
Hersteller | National Semiconductor | |
Logo | ||
Gesamt 10 Seiten June 1989
54150 DM54150 DM74150
54151A DM54151A DM74151A
Data Selectors Multiplexers
General Description
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
The 151A features complementary W and Y outputs where-
as the 150 has an inverted (W) output only
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)
Features
Y 150 selects one-of-sixteen data lines
Y 151A selects one-of-eight data lines
Y Performs parallel-to-serial conversion
Y Permits multiplexing from N lines to one line
Y Also for use as Boolean function generator
Y Typical average propagation delay time data input to W
output
150 11 ns
151A 9 ns
Y Typical power dissipation
150 200 mW
151A 135 mW
Y 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
See NS Package Number J24A N24A or W24C
TL F 6546 – 2
Order Number 54151ADMQB 54151AFMQB
DM54151AJ DM54151AW or DM74151AN
See NS Package Number J16A N16E or W16A
C1995 National Semiconductor Corporation TL F 6546
RRD-B30M105 Printed in U S A
Logic Diagrams
151A
Address Buffers for
54151A 74151A
TL F 6546 – 5
See Address Buffers Below
Function Tables
54150 74150
Inputs
Select
Strobe
Outputs
W
DCBA
S
XXXX
LLLL
L L LH
L LHL
L LHH
LHL L
LHLH
L HH L
L HHH
HL L L
HL LH
HLHL
H L HH
HHL L
HH L H
HHH L
HHHH
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
E0
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
E13
E14
E15
H e High Level L e Low Level X e Don’t Care
E0 E1 E15 e the complement of the level of the respective E input
TL F 6546 – 4
54151A 75151A
Inputs
Outputs
Select
CBA
Strobe
S
Y
W
XXX
H
LH
L L L L D0 D0
L L H L D1 D1
L H L L D2 D2
L H H L D3 D3
H L L L D4 D4
H L H L D5 D5
H H L L D6 D6
H H H L D7 D7
H e High Level L e Low Level X e Don’t Care
D0 D1 D7 e the level of the respective D input
6
6 Page | ||
Seiten | Gesamt 10 Seiten | |
PDF Download | [ 54150 Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
54150 | Data Selectors/Multiplexers | National Semiconductor |
54151 | Data Selectors/Multiplexers | National Semiconductor |
54151A | Data Selectors/Multiplexers | National Semiconductor |
54153 | Dual 4-Line to 1-Line Data Selectors/Multiplexers | National Semiconductor |
54154 | 4-Line to 16-Line Decoders/Demultiplexers | National Semiconductor |
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