| Part number | 74LS257 |
|---|---|
| Download | 74LS257 Datasheet (PDF) |
| File Size | 118.30 KB |
| Manufacturer | onsemi |
| Description | LOW POWER SCHOTTKY |
|
|
| Manufacturer | Part Number | Description |
|---|---|---|
Fairchild |
74LS257 | 3-STATE Quad 2-Data Selectors/Multiplexers |
Hitachi Semiconductor |
74LS257 | Quadruple 2-line-to-1-line Data Selectors/Multiplexers |
National Semiconductor |
74LS257 | TRI-STATE Quad 2-Data Selectors/Multiplexers |
|
Fairchild |
74LS257B | 3-STATE Quad 2-Data Selectors/Multiplexers |
|
National Semiconductor |
74LS257B | Quad 2-Data Selectors/Multiplexers |
The LS257B and LS258B are Quad 2-Input Multiplexers with 3-state outputs. They select four bits of data from two sources each under control of a mon Data Select Input. When the Select Input is LOW, the I0 inputs are selected and when Select is HIGH, the I1 inputs are selected.
