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74LS243 Quad Transceiver
74LS243
Texas Instrumentsic logic
The SN54LS243 and SN74LS243 are quadruple bus transceivers designed for asynchronous two-way communication between data buses. They support GPIO functionality.
In stock
Specifications
3- Operating Voltage
- 5V DC
- Package Type
- SOIC
- Temperature Range
- -55°C to +125°C °C
Pinout
11| Pin | Name | Functions | Notes |
|---|---|---|---|
| VCC | VCC | POWER | Power supply |
| NC | NC | GND | Ground |
| A1 | A1 | GPIO | Data bus input/output |
| A2 | A2 | GPIO | Data bus input/output |
| A3 | A3 | GPIO | Data bus input/output |
| A4 | A4 | GPIO | Data bus input/output |
| B1 | B1 | GPIO | Data bus input/output |
| B2 | B2 | GPIO | Data bus input/output |
| B3 | B3 | GPIO | Data bus input/output |
| B4 | B4 | GPIO | Data bus input/output |
| GND | GND | GND | Ground |
Interactive pinout
Highlight:
74LS243
Click a pin to copy its name · tap a tag above to spotlight a bus.