TI (Texas Instruments) PCA9538DWRG4 Frequency - Clock: 400kHz Includes: POR Interface: I??C, SMBus Interrupt Output: Yes Mounting Type: Surface Mount Number Of I /o: 8 Operating Temperature: -40?°C ~ 85?°C Package / Case: 16-SOIC (0.300", 7.5mm Width) Series: - Voltage - Supply: 2.3 V ~ 5.5 V Package: SOIC