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Octal bus transceivers
74640
ic logic
Octal bus transceivers with 3-state outputs and open-collector outputs, used for bidirectional data transfer on a bus.
In stock
Specifications
3- Operating Voltage
- 5 V (typical)
- Supply Current
- 10 mA
- Interface
- TTL/CMOS compatible
Pinout
11Low 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 | A0 | GPIO | Data input/output |
| 2 | B0 | GPIO | Data input/output |
| 3 | C0 | GPIO | Data input/output |
| 4 | D0 | GPIO | Data input/output |
| 5 | A1 | GPIO | Data input/output |
| 6 | B1 | GPIO | Data input/output |
| 7 | C1 | GPIO | Data input/output |
| 8 | D1 | GPIO | Data input/output |
| 9 | OE | GPIO | Output enable |
| 10 | GND | GND | Ground |
| 11 | VCC | POWER | Supply voltage |
Interactive pinout
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74640
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