54157 is a dual 2-line to 1-line data selector/multiplexer produced by National Semiconductor Corporation
This datasheet describes the 54157/DM54157/DM74157 Quad 2-Line to 1-Line Data Selectors/Multiplexers, which contain inverters and drivers to supply full on-chip data selection to four output gates. A separate strobe input is provided to select a 4-bit word from one of two sources and route it to the outputs. The device features buffered inputs and outputs with a typical propagation time of 9 ns and typical power dissipation of 150 mW.
| Typical propagation time | 9 ns |
|---|---|
| Typical power dissipation | 150 mW |
| Supply Voltage (Nominal) | 5 V |
| High Level Input Voltage | 2 V |
| Low Level Input Voltage | 0.8 V |
| High Level Output Current | -0.8 mA |
| Low Level Output Current | 16 mA |
The absolute maximum supply voltage rating is 7V.
Yes, an alternate Military/Aerospace device (54157) is available.