LTC4317
Info: : PRODUCTION
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LTC4317

Dual I2C/SMBus Address Translator

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $2.13
Features
  • Allows Multiple Slaves with the Same Address to Coexist on the Same Bus
  • Resistor Configurable Address Translation
  • No Software Programming Required
  • Compatible with SMBus, I2C and I2C Fast Mode
  • Pass-Through Mode Allows General Call Addressing
  • ±4kV HBM ESD Ruggedness
  • Level Translation for 2.5V, 3.3V and 5V Buses
  • Stuck Bus Timeout
  • Prevents SDA and SCL Corruption During Live Board Insertion and Removal
  • Support Bus Hot Swap
  • 16-Lead DFN 5mm × 3mm Package
Additional Details
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The LTC4317 enables the hardwired address of one or more I2C or SMBus slave device to be translated to a different address. This allows slaves with the same hardwired address to coexist on the same bus. Only discrete resistors are needed to select the new address and no software programming is required. Up to 127 different address translations are available.

The LTC4317 incorporates a pass-through mode which disables the address translation and allows general call addressing by the master. The LTC4317 is designed to automatically recover from abnormal bus conditions like bus stuck low or premature STOP bits.

The LTC4317 has two output channels for two different sets of slaves. The input channels are tied together to a common set of pins to reduce the pin count and package size.

Part Number Number of Input Channels Number of Output Channels
LTC4316 1 1
LTC4317 1 2
LTC4318 2 2

Applications

  • I2C, SMBus Address Expansion
  • Address Translation
  • Servers
  • Telecom

Part Models 4
1ku List Price Starting From $2.13

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Documentation

Documentation

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Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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