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74LS243 Quad Transceiver
74LS243
Texas Instrumentsic logic
The 74LS243 is a quad transceiver designed for asynchronous two-way communication between data buses.
In stock
Specifications
4- Operating Voltage
- 5 V
- Supply Current
- -12 mA to 24 mA mA
- Temperature Range
- -55°C to 125°C (SN54LS243)
- Package
- CDIP, CFP, PDIP
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 | A1 | GPIO | |
| 2 | A2 | GPIO | |
| 3 | A3 | GPIO | |
| 4 | A4 | GPIO | |
| 5 | B1 | GPIO | |
| 6 | B2 | GPIO | |
| 7 | B3 | GPIO | |
| 8 | B4 | GPIO | |
| 9 | GND | GND | |
| 10 | A1 | GPIO | |
| 11 | A2 | GPIO | |
| 12 | A3 | GPIO | |
| 13 | A4 | GPIO | |
| 14 | VCC | POWER |
Interactive pinout
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74LS243
Click a pin to copy its name · tap a tag above to spotlight a bus.