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FXMA2102 Datasheet 2-bit Voltage Translator / Buffer / Repeater / Isolator

Manufacturer: Fairchild (now onsemi)

FXMA2102 Overview

The FXMA2102 is a high-performance configurable dual-voltage-supply translator for bi-directional voltage translation over a wide range of input and output voltages levels. Intended for use as a voltage translator between I2CBus® plaint masters and slaves. The device is designed so that the A port tracks the VCCA level and the B port tracks the VCCB level. This allows for bi-directional A/B port voltage translation between any two levels from 1.65 V to 5.5 V. VCCA can equal VCCB from 1.65V to 5.5V. The OE pin is referenced to VCCA. Either VCC can be powered-up first. Internal power-down control circuits place the device in 3-state if either VCC is removed. The two ports of the device have automatic direction sense capability. Either port may sense an input signal and transfer it as an output signal to the other port. Ordering Information Part Number FXMA2102L8X FXMA2102UMX Operating...

FXMA2102 Key Features

  • Bi-Directional Interface between Any Two Levels
  • Direction Control not Needed
  • System GPIO Resources Not Required when OE
  • I2C 400 pF Buffer / Repeater
  • I2C Bus Isolation
  • A/B Port VOL = 175 mV (Typical), VIL = 150 mV
  • Open-Drain Inputs / Outputs
  • Acmodates Standard-Mode and Fast-Mode
  • Supports I2C Clock Stretching & Multi-Master
  • Fully Configurable: Inputs and Outputs Track VCC

FXMA2102 Applications

  • 8 kV HBM ESD (per JESD22-A114)
  • 2 kV CDM (per JESD22-C101)

FXMA2102 Distributor