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74LS151 Datasheet

  • 74LS151

  • 1-of-8 Line Data Selector/Multiplexer

  • 73.40KB

  • 7頁(yè)

  • FAIRCHILD

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DM74LS151 1-of-8 Line Data Selector/Multiplexer
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
DM74LS151M
DM74LS151SJ
DM74LS151N
Package Number
M16A
M16D
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
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 鈥淴鈥?to the ordering code.
Connection Diagram
Truth Table
Inputs
Select
C
X
L
L
L
L
H
H
H
H
B
X
L
L
H
H
L
L
H
H
A
X
L
H
L
H
L
H
L
H
Strobe
S
H
L
L
L
L
L
L
L
L
Outputs
Y
L
D0
D1
D2
D3
D4
D5
D6
D7
W
H
D0
D1
D2
D3
D4
D5
D6
D7
H
=
HIGH Level
L
=
LOW Level
X
=
Don't Care
D0, D1...D7
=
the level of the respective D input
漏 2000 Fairchild Semiconductor Corporation
DS006392
www.fairchildsemi.com

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