SN54F158A
SN54F158A is Quadruple 2-Line To 1-Line Data Selectors/Multiplexers manufactured by Texas Instruments.
description
The ′F158A is a quadruple 2-input data selector/multiplexer featuring a direct strobe (G) input. When the strobe is high, all outputs are high. When the strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The ′F158A provides inverted data.
The SN54F158A is characterized for operation over the full military temperature range of
- 55°C to 125°C. The SN74F158A is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
INPUTS G A /B A
OUTPUT
SN54F158A . . . J PACKAGE SN74F158A . . . D OR N 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
SN54F158A . . . 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...
