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SN74HC157N Datasheet Preview

SN74HC157N Datasheet

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

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SN54HC157, SN74HC157
QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS
D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 15 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
SN54HC157 . . . J OR W PACKAGE
SN74HC157 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
SCLS113D − DECEMBER 1982 − REVISED SEPTEMBER 2003
D Typical tpd = 11 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
SN54HC157 . . . FK PACKAGE
(TOP VIEW)
A/B 1
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
16 VCC
15 G
14 4A
13 4B
12 4Y
11 3A
10 3B
9 3Y
1B
3 2 1 20 19
4
18
4A
1Y 5
17 4B
NC 6
16 NC
2A 7
15 4Y
2B 8
14 3A
9 10 11 12 13
description/ordering information
NC − No internal connection
These data selectors/multiplexers contain inverters and drivers to supply full data selection to the four output
gates. A separate strobe (G) input is provided. A 4-bit word is selected from one of two sources and is routed
to the four outputs. The ’HC157 devices present true data.
ORDERING INFORMATION
TA
PACKAGE†
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 25
SN74HC157N
SN74HC157N
Tube of 40
SN74HC157D
SOIC − D
Reel of 2500
Reel of 250
SN74HC157DR
SN74HC157DT
HC157
−40°C to 85°C
SOP − NS
SSOP − DB
Reel of 2000
Reel of 2000
SN74HC157NSR
SN74HC157DBR
HC157
HC157
Tube of 90
SN74HC157PW
TSSOP − PW
Reel of 2000
Reel of 250
SN74HC157PWR
SN74HC157PWT
HC157
CDIP − J
Tube of 25
SNJ54HC157J
SNJ54HC157J
−55°C to 125°C CFP − W
Tube of 150
SNJ54HC157W
SNJ54HC157W
LCCC − FK
Tube of 55
SNJ54HC157FK
SNJ54HC157FK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 2003, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
1




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SN74HC157N Datasheet Preview

SN74HC157N Datasheet

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

No Preview Available !

SN54HC157, SN74HC157
QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS
SCLS113D − DECEMBER 1982 − REVISED SEPTEMBER 2003
FUNCTION TABLE
INPUTS
SELECT
DATA
G
A/B
A
B
H
X
X
X
L
L
L
X
L
L
H
X
L
H
X
L
L
H
X
H
OUTPUT
Y
L
L
H
L
H
logic diagram (positive logic)
1A 2
3
1B
4 1Y
5
2A
2B 6
3A 11
10
3B
7
2Y
9 3Y
4A 14
4B 13
G 15
A/B 1
12 4Y
Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages.
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265


Part Number SN74HC157N
Description QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
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SN74HC157N Datasheet PDF






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0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z



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