HC257 is Quad 2-Input Data Selector/Multiplexer with 3-State Outputs manufactured by System Logic Semiconductor.
| Manufacturer | Part Number | Description |
|---|---|---|
Motorola Semiconductor |
HC257 | Quad 2-Input Data Selector/Multiplexer with 3-State Outputs |
STMicroelectronics |
HC257 | QUAD 2 CHANNEL MULTIPLEXER 3-STATE |
Toshiba |
HC257 | QUAD 2-CHANEL MULTIPLEXER (3-STATE) |
Hitachi Semiconductor |
HC257 | Quad. 2-to-1-line Data Selectors/Multiplexers(with noninverted 3-state outputs) |
SL74HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Performance Silicon-Gate CMOS The SL74HC257 is identical in pinout to the LS/ALS257. The device inputs are patible with standard CMOS outputs; with pullup resistors, they are patible with LS/ALSTTL outputs.
