远程16位I2C和SMBus低功耗I / O扩展器，带有中断输出 REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT
Description
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
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model
– 200-V Machine Model
– 1000-V Charged-Device Model
