Remote 8-Bit I2C and SMBus Low-Power I/O Expander
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9557 SCPS133J – DECEMBER 2005 – REVISED JUNE 2014 PCA9557 Remote 8-Bit I2C and SMBus Low-Power I/O Expander With Reset and Configuration Registers 1 Features •1 Low Standby Current Consumption of 1 μA Max • I2C to Parallel Port Expander • Operating Power-Supply Volt...