LTC4309 Level Shifting Low Offset Hot Swappable 2-Wire Bus Buffer

Linear Technology

Description

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The LTC®4309 hot swappable 2-wire bus buffer allows I/O card insertion into a live backplane without corruption of the data and clock busses.

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Datasheet Specifications

Part number: LTC4309
Manufacturer: Linear Technology
File Size: 230.39 KB
Datasheet: LTC4309_LinearTechnology.pdf
Description: Level Shifting Low Offset Hot Swappable 2-Wire Bus Buffer

Features

* Bidirectional Buffer Increases Fanout n 60mV Buffer Offset Independent of Load n Optional Disconnect when Bus is Stuck Low n Prevents SDA and SCL Corruption During Live Board Insertion and Removal from Backplane n Level Shift 2.5V, 3.3V and 5V Busses 2 n Compatible with Non-Compliant V OL I C Device

Applications

* n n n n n Live Board Insertion Servers Capacitance Buffer/Bus Extender RAID Systems ATCA TYPICAL APPLICATION 3.3V 5V 0.01μF 10k 10k VCC2 VCC ENABLE LTC4309 SCL1 SCLIN SCLOUT ACC 2.7k 2.7k 100k VCC2 VCC ACC 10k 10k SCL2 SDA2 5V 10k READY FAULT GND 0 0 100 200 300 400 100ns/DIV 500 600 200 200mV/DIV

LTC4309 Distributors

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LTC4309 Level Shifting Low Offset Hot Swappable 2-Wire Bus Buffer Linear Technology

Linear Technology LTC4309-like datasheet