| Technology Family | ALS |
| Function | Digital Multiplexer |
| Configuration | 4:1 |
| Number of channels (#) | 2 |
| Operating temperature range (C) | -55 to 125 |
| Rating | Military |
- Permit Multiplexing From n Lines to One Line
- Perform Parallel-to-Serial Conversion
- Strobe (Enable) Line Provided for Cascading (n Lines to n Lines)
- ′ALS253 and SN74AS253A Are 3-State Versions of These Parts
- Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs
These dual 1-of-4 data selectors/multiplexers contain inverters and drivers to supply full binary decoding data selection to the AND-OR gates. Separate strobe (G\) inputs are provided for each of the two 4-line sections.
The SN54ALS153 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS153 and SN74AS153 are characterized for operation from 0°C to 70°C.