Description
The PCA9703 is a low power 18 V tolerant SPI General Purpose Input (GPI) shift register designed to monitor the status of switch inputs.
Features
- 16 general purpose input ports.
- 18 V tolerant input ports with 100 k external series resistor.
- Input LOW threshold 0.55 VDD with minimum of 2.5 V at VDD = 4.5 V.
- Open-drain interrupt output.
- Interrupt enable pin (INT_EN) disables GPI pins and interrupt output.
- Interrupt-masking feature allows no interrupt generation from selected inputs.
- VDD range: 4.5 V to 5.5 V.
- IDD is very low 2.5 A maximum.
- SPI serial interface with speeds up to 5 MHz.
- S.
PCA9703 Datasheet
