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TCA9534A I/O Expander
TCA9534A
Texas Instrumentsinterface io display
The TCA9534A is an I2C/SMBus expander with 8 general-purpose parallel input/output (GPIO) ports, interrupt output, and configurable hardware addresses.
In stock
Specifications
8- Operating Voltage
- 1.65 V to 5.5 V
- Supply Current
- 200 mA (max) (GND) or -80 mA (VCC)
- Interface
- I2C/SMBus
- Resolution
- N/A
- Range
- N/A
- Accuracy
- N/A
- Temperature Range
- -40°C to 85°C (TA)
- Package
- TSSOP (16) or SOIC (16)
Pinout
16| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | A0 | GPIO | Address input |
| 2 | A1 | GPIO | Address input |
| 3 | A2 | GPIO | Address input |
| 4 | P0 | GPIO | Push-pull I/O port, input at power-on |
| 5 | P1 | GPIO | Push-pull I/O port, input at power-on |
| 6 | P2 | GPIO | Push-pull I/O port, input at power-on |
| 7 | P3 | GPIO | Push-pull I/O port, input at power-on |
| 8 | GND | GND | |
| 9 | P4 | GPIO | Push-pull I/O port, input at power-on |
| 10 | P5 | GPIO | Push-pull I/O port, input at power-on |
| 11 | P6 | GPIO | Push-pull I/O port, input at power-on |
| 12 | P7 | GPIO | Push-pull I/O port, input at power-on |
| 13 | INT | GPIO | Interrupt output |
| 14 | SCL | I2C | Serial clock bus, pull-up required |
| 15 | SDA | I2C | Serial data bus, pull-up required |
| 16 | VCC | POWER |
Interactive pinout
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TCA9534A
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