PCA9557BS - NXP

Description: Lower voltage, higher performance migration path for the PCA9556 8 general purpose input/output expander/collector Input/output configuration register Active HIGH polarity inversion register I2C-bus and SMBus interface logic Internal power-on reset Noise filter on SCL/SDA inputs Active LOW reset input 3 address pins allowing up to 8 devices on the I2C-bus/SMBus High-impedance open-drain on IO0 No glitch on power-up Power-up with all channels configured as inputs Low standby current Operating po