Hot Swappable 2-Wire Bus Buffers Features: Bidirectional Buffer for SDA and SCL Lines Increases Fanout Prevents SDA and SCL Corruption During Live Board Insertion and Removal from Backplane Isolates Input SDA and SCL Lines from Output Compatible with I2C, I2C Fast Mode and SMBus Standards (Up to 400kHz Operation) Small MSOP 8-Pin Package Low ICC Chip Disable: <1µA (LTC4300A-1) READY Open Drain Output (LTC4300A-1) 1V Precharge on all SDA and SCL Lines Supports Clock Stretching, Arbitration and Synchronization 5V to 3.3V Level Translation (LTC4300A-2) High Impedance SDA, SCL Pins for VCC = 0V