PCF8574APWR IC-8475APWR I/O EXPANDER I2C 8B SSOP-20 PCF8574APWR is a versatile and high-performance I/O expander that supports a supply voltage range of - with - output type. Designed for efficient operation within a frequency of - and temperature range of -. Compact package type: N/A, mounting style: -.Manufactured with compliance to - standards for reliable performance. Packaged as - for convenience.