SN54S257 - Quadruple 2-Line To 1-Line Data Selectors/Multiplexers
Updated : 2020-01-09 14:42:16Description
These devices are designed to multiplex signals from four-bit data sources to four-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output control pin (G\) is at a high-logic level.
Series 54LS and 54S are characterized for operation over the full military temperature range of -55°C to 125°C; Series 74LS and 74S are characterized for operation from 0°C to 70°C.
Products containing the "SN54S257" keyword are: SN54S257J
Features
- Three-State Outputs Interface Directly with System Bus
- 'LS257B and 'LS258B Offer Three Times the Sink-Current Capability of the Original 'LS257 and 'LS258
- Same Pin Assignments as SN54LS157, SN74LS157, SN54S157, SN74S157, and SN54LS158, SN74LS158, SN54S158, SN74S158
- Provides Bus Interface from Multiple Sources in High-Performance Systems
Off state (worst case)
Parametrics
| Status | ACTIVE |
| SubFamily | Encoders & decoders |
| Technology Family | S |
| VCC | 5.5 |
| Bits | |
| Voltage | |
| F @ nom voltage | |
| ICC @ nom voltage | |
| tpd @ Nom Voltage | |
| 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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