SN54AHCT157, SN74AHCT157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
D Inputs Are TTL-Voltage Compatible D L...
SN54AHCT157, SN74AHCT157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
D Inputs Are TTL-
Voltage Compatible D Latch-Up Performance Exceeds 250 mA Per
JESD 17
description/ordering information
These quadruple 2-line to 1-line data selectors/multiplexers are designed for 4.5-V to 5.5-V VCC operation.
The ’AHCT157 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.
SCLS347K – MAY 1996 – REVISED JULY 2003
SN54AHCT157 . . . J OR W PACKAGE SN74AHCT157 . . . D, DB, DGV, N, NS, OR PW 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
SN54AHCT157 . . . FK PACKAGE (TOP VIEW)
VCC
G
NC
A/B
1A
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
3B
3Y
NC
GND
2Y
NC – No internal connection
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE PART NUMBER
TOP-SIDE MARKING
PDIP – N
Tube
SN74AHCT157N
SN74AHCT157N
SOIC – D
Tube Tape and reel
SN74AHCT157D SN74AHCT157DR
AHCT157
–40°C to 85°C
SOP – NS SSOP – DB
Tape and reel Tape and reel
SN74AHCT157NSR SN74AHCT157DBR
AHCT157 HB157
TSSOP – PW
Tube Tape and reel
SN74AHCT157PW SN74AHCT157PWR
HB157
TVSOP – DGV
Tape and reel SN74AHCT157DGVR HB157
–55°C to 125°C
CDIP – J CFP – W
Tube Tube
SNJ54AHCT157J SNJ54AHCT157W
SNJ54AHCT157J SNJ54AHCT1...