INTEGRATED CIRCUITS DATA SHEET PCF8575 Remote 16.
PCF8575 - Remote 16-bit I/O expander
PCF8575C - Remote 16-Bit I2C AND SMBus Low-Power I/O Expander
PCF8575C - Remote 16-bit I/O expander
PCF8575 - Remote16-BIT I2C AND SMBus I/O Expander