Product description
The SX1509 is a 16-channel IO expander with I2C interface. Can be used with any microcontroller to provide 16 additional digital inputs or outputs with PWM. The circuit can also be configured to read an 8 x 8 button matrix.
- Signal levels: 1.2 - 3.6V (5.5V tolerant inputs)
- Drive capability: 15mA per output
