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74LS645 Octal Bus Transceiver
74LS645
Texas Instrumentsic logic
The 74LS645 is a bidirectional bus transceiver with 3-state outputs, used for data transfer on a bus.
In stock
Specifications
4- Operating Voltage
- 5V (max) / 0.8V (min) V
- Supply Current
- 12mA (max) mA
- Interface
- TTL compatible
- Temperature Range
- -55°C to 125°C °C
Pinout
14Low 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 |
|---|---|---|---|
| 1 | VCC | POWER | Power supply |
| 2 | D1 | GPIO | Data input/output |
| 3 | OE | GPIO | Output enable |
| 4 | GND | GND | Ground reference |
| 5 | D2 | GPIO | Data input/output |
| 6 | D3 | GPIO | Data input/output |
| 7 | D4 | GPIO | Data input/output |
| 8 | D5 | GPIO | Data input/output |
| 9 | D6 | GPIO | Data input/output |
| 10 | D7 | GPIO | Data input/output |
| 11 | D8 | GPIO | Data input/output |
| 12 | S1 | GPIO | Select line 1 |
| 13 | S2 | GPIO | Select line 2 |
| 14 | S3 | GPIO | Select line 3 |
Interactive pinout
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74LS645
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