I/O Expander 8 I2C 100kHz PDIP-16 Specifications Number of I/O: 8 Interface: IA2C Interrupt Output: Yes Features: POR Output Type: Push-Pull Current - Output Source/Sink: 1 mA, 25 mA Clock Frequency: 100 kHz Voltage - Supply: 2.5 V to 6 V Operating Temperature: -40C to 85C Mounting Type: Through Hole Package: 16-DIP (0.300", 7.62 mm) Base Number: PCF857