SN54AHC157, SN74AHC157
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SCLS345I – MAY 1996 – REVISED JULY 2003
D
D
Operating Range 2-V to 5.5-V V
CC
Latch-Up Performance Exceeds 250 mA Per
JESD 17
D
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
SN54AHC157 . . . FK PACKAGE
(TOP VIEW)
8
9
GND
3Y
NC – No internal connection
description/ordering information
These quadruple 2-line to 1-line data selectors/multiplexers are designed for 2-V to 5.5-V V
CC
operation.
The ’AHC157 devices feature a common strobe (G) input. When the strobe is high, all outputs are low. When
the strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The devices
provide true data.
ORDERING INFORMATION
TA
PACKAGE†
QFN – RGY
PDIP – N
SOIC – D
–40°C to 85°C
SOP – NS
SSOP – DB
TSSOP – PW
TVSOP – DGV
CDIP – J
–55°C to 125°C
CFP – W
LCCC – FK
Tape and reel
Tube
Tube
Tape and reel
Tape and reel
Tape and reel
Tube
Tape and reel
Tape and reel
Tube
Tube
Tube
ORDERABLE
PART NUMBER
SN74AHC157RGYR
SN74AHC157N
SN74AHC157D
SN74AHC157DR
SN74AHC157NSR
SN74AHC157DBR
SN74AHC157PW
SN74AHC157PWR
SN74AHC157DGVR
SNJ54AHC157J
SNJ54AHC157W
SNJ54AHC157FK
AHC157
HA157
HA157
HA157
SNJ54AHC157J
SNJ54AHC157W
SNJ54AHC157FK
TOP-SIDE
MARKING
HA157
SN74AHC157N
AHC157
† 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.
Copyright
2003, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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
2Y
GND
NC
3Y
3B
A /B
1A
1B
1Y
2A
2B
2Y
GND
1
2
3
4
5
6
7
16
15
14
13
12
11
10
V
CC
G
4A
4B
4Y
3A
3B
3Y
1
16
15
G
14
4A
13
4B
12
4Y
11
3A
10
3B
V
CC
A/B
1A
A/B
NC
V
CC
G
1B
1Y
NC
2A
2B
3
4
5
6
7
8
2 1 20 19
18
17
16
15
14
9 10 11 12 13
SN54AHC157 . . . J OR W PACKAGE
SN74AHC157 . . . D, DB, DGV, N, NS,
OR PW PACKAGE
(TOP VIEW)
SN74AHC157 . . . RGY PACKAGE
(TOP VIEW)
1A
1B
1Y
2A
2B
2Y
2
3
4
5
6
7
8
9
4A
4B
NC
4Y
3A
1
TI [ TEXAS INSTRUMENTS ]
