TI (Texas Instruments) PCA9539DWRG4 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-SOIC (7.5mm Width) Series: - Voltage - Supply: 2.3 V ~ 5.5 V Product Category: Interface - I/O Expanders RoHS: yes Factory Pack Quantity: 2000 Package: SOIC