SN54ALS257A - Quad 2-Line To 1-Line Data Selectors/Multiplexers With 3-State
Updated : 2020-01-09 14:42:52Description
These data selectors/multiplexers are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (
) input is at a high logic level.
The SN54ALS257A and SN54ALS258A are characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS257A, SN74ALS258A, SN74AS257, and SN74AS258 are characterized for operation from 0°C to 70°C.
Features
- 3-State Outputs Interface Directly With System Bus
- Provide Bus Interface From Multiple Sources in High-Performance Systems
- Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs
Parametrics
| Status | ACTIVE |
| SubFamily | Encoders & decoders |
| Technology Family | ALS |
| VCC | 5.5 |
| Bits | 2 |
| Voltage | 5 |
| F @ nom voltage | 75 |
| ICC @ nom voltage | 14 |
| tpd @ Nom Voltage | 12 |
| Rating | Military |
| Operating temperature range | -55 to 125 |
| Package Group | CDIP|16 |
| Package size: mm2:W x L (PKG) | See datasheet (CDIP) |
| Approx. price |
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