Linear Technology LTC4300A-3
the LTC4300A-3 provides bidirectional buffering, keeping the backplane and card capacitances isolated. The LTC4300A-3 provides level translation between 3.3V and 5V supplies. The backplane and card can both be powered with supplies ranging from 2.7V to 5.5V.| Part No. | LTC4300A-3 |
|---|---|
| Datasheet | LTC4300A-3 Download |
| Manufacturer |  Linear Technology |
| Description | Level Shifting Hot Swappable 2-Wire Bus Buffer |
| Buy | Stock & Price |
FEATURES
n Bidirectional Buffer* for SDA and SCL Lines Increases Fanout n Prevents SDA and SCL Corruption During Live Board Insertion and Removal From Backplane n Logic Threshold ENABLE Input n Isolates Input SDA and SCL Lines From Output n Compatible with I2C, I2C Fast Mode and SMBus Standards (Up to 400kHz Operation) n 1V Precharge on all SDA and SCL Lines n Supports Clock Stretching, Arbitration and Synchronization● 5V to 3.3V Level Translation
● High Impedance SDA, SCL Pins for VCC = 0V, VCC2 = 0V
● Small 8-Lead DFN and MSOP Packages
APPLICATIONS
n Hot Board Insertion n Servers n Capacitance Buffer/Bus Extender n Desktop Computer LTC4300A-3 Level-Shifting Hot Swappable 2-Wire Bus Buffer with EnableDESCRIPTION
The LTC®4300A-3 hot swappable 2-wire bus buffer allows I/O card insertion into a live backplane without corruption of the data and clock busses. When the connection is made, Rise time accelerator circuitry allows the use of weaker DC pull-up currents while still meeting rise time requirements.
