PCF8575 Description
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 2.5-V to 5.5-V VCC operation. The PCF8575 device provides general-purpose remote I/O expansion for most microcontroller families by way of the I2C interface [serial clock (SCL), serial data (SDA)].
PCF8575 Key Features
- 1 I2C to Parallel-Port Expander
- Open-Drain Interrupt Output
- Low Standby-Current Consumption of 10 μA Max
- patible With Most Microcontrollers
- 400-kHz Fast I2C Bus
- Address by Three Hardware Address Pins for Use
- Latched Outputs With High-Current Drive
- Current Source to VCC for Actively Driving a High
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model