FXMA2102 datasheet(1/16 Pages) FAIRCHILD

Part #	FXMA2102

Description	Dual Supply, 2-Bit Voltage Translator / Buffer / Repeater / Isolator for I2C Applications

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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August 2012

www.fairchildsemi.com

FXMA2102 • Rev. 1.0.5

FXMA2102

Dual Supply, 2-Bit Voltage Translator / Buffer /

Repeater / Isolator for I

2C Applications

Features

 Bi-Directional Interface between Any Two Levels:

1.65 V to 5.5 V

 Direction Control not Needed

 System GPIO Resources Not Required when OE

Tied to VCCA

 I2C 400 pF Buffer / Repeater

 I2C Bus Isolation

 A/B Port V

OL = 175 mV (Typical), VIL = 150 mV,

IOL = 6 mA

 Open-Drain Inputs / Outputs

 Accommodates Standard-Mode and Fast-Mode

I

2C-Bus Devices

 Supports I2C Clock Stretching & Multi-Master

 Fully Configurable: Inputs and Outputs Track V

CC

 Control Input (/OE) Referenced to V

CCA.

 Non-Preferential Power-Up; Either V

CC May Be

Powered-Up First

 Outputs Switch to 3-State if Either V

CC is at GND

 Tolerant Output Enable: 5 V

 Packaged in 8-Terminal Leadless MicroPak™

(1.6 mm x 1.6 mm) and Ultrathin MLP

(1.2 mm x 1.4 mm)

 ESD Protection Exceeds:

- 8 kV HBM ESD (per JESD22-A114)

- 2 kV CDM (per JESD22-C101)

Description

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 I

2C-

Bus

® complaint 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

Operating

Temperature Range

Top

Mark

Package

Packing

Method

FXMA2102L8X

-40 to +85°C

XN

8-Lead MicroPak™, 1.6 mm Wide

5000 Units on

Tape and Reel

FXMA2102UMX

8-Lead Ultrathin MLP, 1.2 mm x 1.4 mm

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