74S153 is Dual 1-of-4 Line Data Selector/Multiplexer manufactured by Fairchild.
| Part Number | Description |
|---|---|
| 74S157 | Quad 1 of 2 Line Data Selectors/Multiplexers |
| 74S158 | Quad 1 of 2 Line Data Selectors/Multiplexers |
| 74S112 | Dual Negative-Edge-Triggered Master-Slave J-K Flip-Flop |
| 74S138 | Decoder/Demultiplexer |
| 74S139 | Decoder/Demultiplexer |
Each of these data selectors/multiplexers contains inverters and drivers to supply fully plementary, on-chip, binary decoding data selection to the AND-OR-invert gates. Separate strobe inputs are provided for each of the two four-line sections.
