SCLS113D − DECEMBER 1982 − REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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 I
CC
D Typical t
pd
= 11 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
V
CC
G
4A
4B
4Y
3A
3B
3Y
SN54HC157 ...J OR W PACKAGE
SN74HC157 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
3212019
910111213
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
1A
A/B
NC
3Y
3B
V
G
2Y
GND
NC
SN54HC157 . . . FK PACKAGE
(TOP VIEW)
CC
NC − No internal connection
description/ordering information
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
T
A
PACKAGE
†
PACKAGE
†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N Tube of 25 SN74HC157N SN74HC157N
Tube of 40 SN74HC157D
SOIC − D
Reel of 2500 SN74HC157DR
HC157
Reel of 250 SN74HC157DT
−40°C to 85°C
SOP − NS Reel of 2000 SN74HC157NSR HC157
SSOP − DB Reel of 2000 SN74HC157DBR HC157
Tube of 90 SN74HC157PW
TSSOP − PW
Reel of 2000 SN74HC157PWR
HC157
Reel of 250 SN74HC157PWT
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 o
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2003, Texas Instruments Incorporated
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