TI (Texas Instruments) PCF8574APWE4 Frequency - Clock: 100KHz Includes: POR Interface: I??C Interrupt Output: Yes Mounting Type: Surface Mount Number Of I /o: 8 Operating Temperature: -40?°C ~ 85?°C Package / Case: 20-TSSOP Series: - Voltage - Supply: 2.5 V ~ 6 V Product Category: Interface - I/O Expanders RoHS: yes Logic Family: PCF8574A Number of I/Os: 8 Maximum Operating Frequency: 100 kHz Operating Supply Voltage: 2.5 V to 6 V Operating Temperature Range: - 40 C to + 85 C Mounting Style: SMD/SMT Factory Pack Quantity: 70