SN74AHCT157
SN74AHCT157 is QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS manufactured by Texas Instruments.
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 mon 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)
A/B
1A
1B
3 2 1 20 19
4A
1Y 5
17 4B
NC 6
16 NC
2A 7
15 4Y
2B 8
14 3A
9 10 11 12 13
3B
3Y
2Y
- No internal connection
ORDERING...
