SN74F257 - Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
Updated : 2020-01-09 14:44:15Description
The ´F257 is designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output enable (
) input is at a high logic level.
The SN54F257 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F257 is characterized for operation from 0°C to 70°C.
Products containing the "SN74F257" keyword are: SN74F257D , SN74F257DE4 , SN74F257DG4 , SN74F257DG4 , SN74F257DR , SN74F257DR , SN74F257DR SOP3.9 , SN74F257DRG4 , SN74F257DRG4 , SN74F257N , SN74F257N , SN74F257NE4 , SN74F257NG4 , SN74F257NSR , SN74F257NSR
Features
- 3-State Outputs Interface Directly With System Bus
- Provides Bus Interface From Multiple Sources in High-Performance Systems
- Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs
Parametrics
| Status | ACTIVE |
| SubFamily | Encoders & decoders |
| Technology Family | F |
| VCC | 5.5 |
| Bits | 4 |
| Voltage | 5 |
| F @ nom voltage | 70 |
| ICC @ nom voltage | 23 |
| tpd @ Nom Voltage | 7 |
| Rating | Catalog |
| Operating temperature range | 0 to 70 |
| Package Group | PDIP|16 |
| Package size: mm2:W x L (PKG) | See datasheet (PDIP) |
| Approx. price | 0.20 | 1ku |
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