4-bit I2C-bus and SMBus low power I/O port with interrupt and reset - # of Addresses: 1 ; I2C-bus: 400 kHz; Interrupt: 0-1 ; Max Sink Current per bit: 25 mA; Max Sink Current, per package: 50 mA; Number of bits: 4 ; Operating temperature: -40~85 Cel; Operating voltage: 2.3~5.5 VDC; Reset input pin: Yes ; Source Current per bit: 10 mA; Weak Pull-Up Current Source: no internal pull up resistor; Package: SOT552-1 (TSSOP10); Container: Reel Pack, SMD, 13"