厂商：Freescale
类别：16位单片机
厂商：Littelfuse
类别：TVS二极管
厂商：Panasonic
类别：PhotoMOS(MOSFET输出光电耦合器)
厂商：Atmel
类别：8051单片机
类别：ATtiny系列单片机
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特点Automatic Disconnect of SDA/SCL Lines when Bus is Stuck Low for ≥ 30msRecovers Stuck Busses with Automatic Clocking*Bidirectional Buffer* for SDA and SCL Lines Increases FanoutPrevents SDA and SCL Corruption During Live Board Insertion and Removal from BackplanePin Compatible with LTC4300A-1±15kV Human Body Model ESD ProtectionIsolates Input SDA and SCL Lines from Output Compatible with I 2 C TM , I 2 C Fast-Mode and SMBus Standards (Up to 400kHz Operation) READY Open Drain Output1V Precharge on All SDA and SCL Lines High Impedance SDA, SCL Pins for V CC = 0V ENABLE Gates Connection from Input to OutputMSOP 8-Pin and DFN (3mm × 3mm) Packages典型应用典型应用描述Rise-time accelerator circuitry allows the use of larger pull-up resistors while still meeting rise-time requirements. During insertion, the SDA and SCL lines are precharged to 1V to minimize bus disturbances. When driven high, ENABLE allows the LTC4303 to connect after a stop bit or bus idle occurs. Driving ENABLE low breaks the connection between SDAIN and SDAOUT, SCLIN and SCLOUT. READY is an open drain output that indicates when the backplane and card sides are connected together.*Patent Pending