This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed for 4.5-V to 5.5-V VCC
operation. The PCF8575C provides general-purpose remote I/O expansion for most microcontroller families via the I2C interface serial clock (SCL) and serial data (SDA).
Features
• I2C to Parallel-Port Expander
• Open-Drain Interrupt Output
• Low Standby-Current Consumption of 10 μA Maximum
• Compatible With Most Microcontrollers
• 400-kHz Fast I2C Bus
• Address by Three Hardware Address Pins for Use of up to Eight Devices
• Latched Outputs With High-Current Drive Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II