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Fairchild Semiconductor Electronic Components Datasheet

74LS151 Datasheet

1-of-8 Line Data Selector/Multiplexer

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August 1986
Revised March 2000
DM74LS151
1-of-8 Line Data Selector/Multiplexer
General Description
This data selector/multiplexer contains full on-chip decod-
ing to select the desired data source. The DM74LS151
selects one-of-eight data sources. The DM74LS151 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 out-
put HIGH, and the Y output LOW.
The DM74LS151 features complementary W and Y out-
puts.
Features
s Select one-of-eight data lines
s Performs parallel-to-serial conversion
s Permits multiplexing from N lines to one line
s Also for use as Boolean function generator
s Typical average propagation delay time data input to
W output 12.5 ns
s Typical power dissipation 30 mW
Ordering Code:
Order Number Package Number
Package Description
DM74LS151M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74LS151SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
DM74LS151N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Truth Table
Inputs
Select
Strobe
CBAS
XXXH
LLLL
L LHL
LHL L
L HH L
HL L L
HLHL
HHL L
HHH L
H = HIGH Level
L = LOW Level
X = Don't Care
D0, D1...D7 = the level of the respective D input
Outputs
YW
LH
D0 D0
D1 D1
D2 D2
D3 D3
D4 D4
D5 D5
D6 D6
D7 D7
© 2000 Fairchild Semiconductor Corporation DS006392
www.fairchildsemi.com


Fairchild Semiconductor Electronic Components Datasheet

74LS151 Datasheet

1-of-8 Line Data Selector/Multiplexer

No Preview Available !

Logic Diagrams
See Address Buffers
Address Buffers
www.fairchildsemi.com
2


Part Number 74LS151
Description 1-of-8 Line Data Selector/Multiplexer
Maker Fairchild Semiconductor
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74LS151 Datasheet PDF






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