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Dual-Supply, 4-Bit Voltage Translator / Buffer / Repeater / Isolator for Open-Drain Applications

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Overview

The FXMA2104 is a 4-bit high-performance, configurable dual-voltage supply, open-drain translator for bi-directional voltage translation over a wide range of input and output voltages levels.
Intended for use as a voltage translator in applications using the I2C-Bus庐 interface, the input and output voltage levels are compatible with I2C device specification voltage levels. External pull-up resistors are required.
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 1.65V to 5.5V. VCCA can equal VCCB from 1.65V to 5.5V.
Non-preferential power-up means 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.

  • This product is general usage and suitable for many different applications.

  • Bi-Directional Interface between Any Two Levels: 1.65V to 5.5V
  • Direction Control not Needed
  • System GPIO Resources Not Required when OE Tied to VCCA
  • I2C 400pF Buffer / Repeater
  • I2C-Bus庐 Isolation
  • A/B Port VOL = 175mV (Typical), VIL = 150mV, IOL = 6mA
  • Open-Drain Inputs / Outputs
  • Accommodates Standard-Mode and Fast-Mode I2C-Bus Devices
  • Supports I2C Clock Stretching & Multi-Master
  • Fully Configurable: Inputs and Outputs Track VCC
  • Non-Preferential Power-Up; Either VCC May Be Powered-Up First
  • Outputs Switch to 3-State if Either VCC is at GND
  • Tolerant Output Enable: 5V
  • Packaged in 12-Lead Ultrathin MLP (1.8mm x 1.8mm)
  • ESD Protection Exceeds:
    - 5kV HBM ESD (per JESD22-A114)
    - 2kV CDM (per JESD22-C101)

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CAD Models

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Case Outline

MSL Type

MSL Temp (掳C)

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Channels

Input Level

VCC Min (V)

VCC Max (V)

tpd Max (ns)

IO Max (mA)

Reference Price

FXMA2104UMX

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Active

CAD Model

Pb

A

H

P

UQFN-12

1

260

REEL

5000

Y

4

CMOS

1.65

5.5

3

6

$0.1917

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