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3-STATE Quad 2-Data Selectors/Multiplexers
74257
ic logic
The DM74LS257B is a 3-STATE quad 2-data selectors/multiplexer with Schottky-clamped outputs for high-performance bus interfacing.
In stock
Specifications
5- Supply Voltage
- 7V
- Input Voltage
- 7V
- Operating Free Air Temperature Range
- 0°C to +70°C
- Storage Temperature Range
- -65°C to +150°C
- Typical Power Dissipation
- 50 mW
Pinout
3Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| A | Select A | GPIO | Input select line |
| B | Select B | GPIO | Input select line |
| Y | Output Y | GPIO | Data output |
Interactive pinout
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74257
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