特点

• Automatic Disconnect of SDA/SCL Lines when Bus is Stuck Low for ≥30ms
• Fault Flag for Stuck Bus
• Recovers Stuck Busses with Automatic Clocking*
• Bidirectional Buffer* for SDA and SCL Lines Increases Fanout
• Prevents SDA and SCL Corruption During Live Board Insertion and Removal from Backplane
• Allows Bus Pullup Voltages Above and Below VCC
• ±15kV Human Body Model ESD Protection
• Isolates Input SDA and SCL Lines from Output
• Compatible with I2CTM, I2C Fast-Mode and SMBus Standards (Up to 400kHz Operation)
• READY Open Drain Output
• 1V Precharge on All SDA and SCL Lines
• High Impedance SDA, SCL Pins for VCC = 0V
• ENABLE Gates Connection from Input to Output
• MSOP 10-Pin and DFN (3mm × 3mm) Packages

典型应用

应用

• Hot Board Insertion
• Servers
• Capacitance Buffer/Bus Extender
• RAID Systems

封装信息

数据表

• LTC4304 - Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery

可靠性数据

• R410 Reliability Data

产品选择卡

• I2C Muxes, Address Translators, Buffers & Accelerators
• I2C Quick Guide

LT Journal

• Mar 2006 I2C Bus Buffer Resolves Stuck Buses, Eliminates Heavy Load Limitations and Provides Level Translation

产品新闻发布

• LTC4303/LTC4304 - 可恢复阻塞总线的 I2C/SMBus 缓冲器

软件和仿真

• LTC4304 IBIS Model

CAD 符号

• LTC4304 Footprints and Symbols

相关产品

• LTC4303 - 具阻塞总线恢复功能的可热插拔型二线式总线缓冲器
• LTC4313-1 / LTC4313-2 / LTC4313-3 - 具高噪声裕度的二线式总线缓冲器
• LTC4310-1 / LTC4310-2 - 可热插拔的 I2C 隔离器
• LTC4315 - 具高噪声裕度的二线式总线缓冲器
• LTC4307 - Low Offset Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery
• LTC4312 - 具总线缓冲器的引脚可选、两通道、二线式多路复用器
• LTC4364 - 具理想二极管的浪涌抑制器
• LTC4311 - 低电压 I2C/SMBus 加速器
• LTC4301 - 与电源无关的可热插拨型双线式总线缓冲器
• LTM2883 - 具可调 ±12.5V 和 5V 稳定电源的 SPI / 数字或 I2C μModule 隔离器