SN54HCT157
SN54HCT157 is QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXER manufactured by Texas Instruments.
SN54HCT157, SN74HCT157 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS
D Operating Voltage Range of 4.5 V to 5.5 V D High-Current Outputs Drive Up To 15
LSTTL Loads
D Typical tpd = 15 ns D Low Power Consumption, 80-µA Max ICC
SN54HCT157 . . . J OR W PACKAGE SN74HCT157 . . . D OR N PACKAGE
(TOP VIEW)
SCLS071D
- NOVEMBER 1988
- REVISED OCTOBER 2003
D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Inputs Are TTL-Voltage patible D Buffered Inputs and Outputs
SN54HCT157 . . . FK PACKAGE (TOP VIEW)
A/B
1A
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
4A
1Y 5
17 4B
NC 6
16 NC
2A 7
15...
