NXP Semiconductors PCA9535CPW,112 Frequency - Clock: 400kHz Includes: POR Interface: I??C, SMBus Interrupt Output: Yes Mounting Type: Surface Mount Number Of I /o: 16 Operating Temperature: -40?°C ~ 85?°C Package / Case: 24-TSSOP Series: - Voltage - Supply: 2.3 V ~ 5.5 V Other Names: 935285273112, PCA9535CPW