Item Description:
The PCF8575C is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins. This is IC allows the user to expand up to 16 I/O using only two I/O for control!

Features:
Chip:PCF8575C
I2C to Parallel-Port Expander
Open-Drain Interrupt Output
Low Standby-Current Consumption of 10 ?A Max
Compatible With Most Microcontrollers
400-kHz Fast I2C Bus
Package Included:
1x PCF8575 IIC I2C I/O Extension Shield Module 16 bit SMBus I/O ports For Arduino(If the number of products received is incorrect, please contact us . we will refund or give you a replacement)