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TCA9535 I/O Expander
TCA9535
Texas Instrumentsinterface io display
TCA9535 is a 16-bit I2C expander with GPIO and interrupt capabilities, designed for parallel input/output expansion on the I2C bus.
In stock
Specifications
8- Operating Voltage
- 1.65 V to 5.5 V
- Supply Current
- 22 μA (typical) at 3.6 V, 40 μA (maximum)
- Interface
- I2C
- Resolution
- Not applicable for I2C expander
- Range
- 0 to 5.5 V (VCC)
- Accuracy
- Not applicable for I2C expander
- Temperature Range
- -40°C to 85°C (TA)
- Package
- TSSOP, SSOP, WQFN, VQFN
Pinout
24| Pin | Name | Functions | Notes |
|---|---|---|---|
| A0 | Address input 0 | GPIO | Connect directly to VCC or ground |
| A1 | Address input 1 | GPIO | Connect directly to VCC or ground |
| A2 | Address input 2 | GPIO | Connect directly to VCC or ground |
| GND | Ground | GND | |
| INT | Interrupt output | GPIO | Connect to VCC through an external pull-up resistor |
| P00 | P-port I/O 0 | GPIO | Push-pull design structure, configured as input at power on |
| P01 | P-port I/O 1 | GPIO | Push-pull design structure, configured as input at power on |
| P02 | P-port I/O 2 | GPIO | Push-pull design structure, configured as input at power on |
| P03 | P-port I/O 3 | GPIO | Push-pull design structure, configured as input at power on |
| P04 | P-port I/O 4 | GPIO | Push-pull design structure, configured as input at power on |
| P05 | P-port I/O 5 | GPIO | Push-pull design structure, configured as input at power on |
| P06 | P-port I/O 6 | GPIO | Push-pull design structure, configured as input at power on |
| P07 | P-port I/O 7 | GPIO | Push-pull design structure, configured as input at power on |
| P10 | P-port I/O 10 | GPIO | Push-pull design structure, configured as input at power on |
| P11 | P-port I/O 11 | GPIO | Push-pull design structure, configured as input at power on |
| P12 | P-port I/O 12 | GPIO | Push-pull design structure, configured as input at power on |
| P13 | P-port I/O 13 | GPIO | Push-pull design structure, configured as input at power on |
| P14 | P-port I/O 14 | GPIO | Push-pull design structure, configured as input at power on |
| P15 | P-port I/O 15 | GPIO | Push-pull design structure, configured as input at power on |
| P16 | P-port I/O 16 | GPIO | Push-pull design structure, configured as input at power on |
| P17 | P-port I/O 17 | GPIO | Push-pull design structure, configured as input at power on |
| SDA | Serial data bus | I2C | Connect to VCC through a pull-up resistor |
| SCL | Serial clock bus | I2C | Connect to VCC through a pull-up resistor |
| VCC | Supply voltage | POWER |
Interactive pinout
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TCA9535
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