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74F257 Quad 2-to-1 Mux
74F257
Texas Instrumentsic logic
The 74F257 is a quad 2-to-1 multiplexer designed for bus-organized systems with 3-state outputs.
In stock
Specifications
3- Operating Voltage
- 4.5 V to 5.5 V (SN74F257)
- Supply Current
- ICCZ = 15 mA
- Temperature Range
- -55°C to 125°C (SN74F257)
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | A/B | GPIO | Selects between A and B inputs |
| 2 | OE | GPIO | Output enable, high to disable outputs |
| 3 | A | GPIO | Data input A |
| 4 | B | GPIO | Data input B |
| 5 | 1Y | GPIO | Output Y1, active low |
| 6 | 2A | GPIO | Data input A for output 2Y |
| 7 | 2B | GPIO | Data input B for output 2Y |
| 8 | 2Y | GPIO | Output Y2, active low |
| 9 | 3A | GPIO | Data input A for output 3Y |
| 10 | 3B | GPIO | Data input B for output 3Y |
| 11 | 3Y | GPIO | Output Y3, active low |
| 12 | 4A | GPIO | Data input A for output 4Y |
| 13 | 4B | GPIO | Data input B for output 4Y |
| 14 | 4Y | GPIO | Output Y4, active low |
| 15 | GND | GND | Ground reference |
| 16 | VCC | POWER | Supply voltage |
Interactive pinout
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74F257
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