NXP 16-Channel I/O Expander I2C, SMBus 24-Pin TSSOP, PCA9555PW,112
5 V, Minimum Supply Voltage: 2.NXP 16-Channel I/O Expander I2C, SMBus 24-Pin TSSOP, Clock Frequency: 400kHz, Mounting Type: Surface Mount, Maximum Supply Voltage: 5.3 V, MPN: PCA9555PW,112.