FXLA104 datasheet(1/16 Pages) FAIRCHILD

Part #	FXLA104

Description	Low-Voltage Dual-Supply 4-Bit Voltage Translator with Configurable Voltage Supplies and Signal Levels, 3-State Outputs, and Auto Direction Sensing

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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March 2009

www.fairchildsemi.com

FXLA104 • Rev. 1.0.0

FXLA104

Low-Voltage Dual-Supply 4-Bit Voltage Translator with

Configurable Voltage Supplies and Signal Levels,

3-State Outputs, and Auto Direction Sensing

Features

Bi-Directional Interface between Two Levels:

from 1.1V to 3.6V

Fully Configurable: Inputs and Outputs Track VCC

Non-Preferential Power-Up; Either VCC May Be

Powered Up First

Outputs Remain in 3-State Until Active VCC Level is

Reached

Outputs Switch to 3-State if Either VCC is at GND

Power-Off Protection

Bus-Hold on Data Inputs Eliminates the Need for

Pull-Up Resistors

Control Input (/OE) Referenced to VCCA Voltage

Packaged in 16-Terminal µMLP (1.8mm x 2.6mm)

Direction Control Not Necessary

100Mbps Throughput when Translating Between

1.8V and 2.5V

ESD Protection Exceeds:

- 8kV HBM (per JESD22-A114 & Mil Std 883e

3015.7)

- 2kV CDM (per ESD STM 5.3)

Applications

Cell Phone, PDA, Digital Camera, Portable GPS

Description

The FXLA104 is a configurable dual-voltage supply

translator for both uni-directional and bi-directional

voltage translation between two logic levels. The device

allows translation between voltages as high as 3.6V to

as low as 1.1V. The A port tracks the VCCA level and the

B port tracks the VCCB level. This allows for bi-directional

voltage translation over a variety of voltage levels: 1.2V,

1.5V, 1.8V, 2.5V, and 3.3V.

The device remains in three-state until both VCCs reach

active levels, allowing either VCC to be powered up first.

Internal power-down control circuits place the device in

3-state if either VCC is removed.

The /OE input, when HIGH, disables both the A and B

ports by placing them in a 3-state condition. The /OE

input is supplied by VCCA.

The FXLA104 supports bi-directional translation without

the need for a direction control pin. The two ports of the

device have auto-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

Eco

Status

Package

Packing

Method

FXLA104UMX

-40 to 85°C

Green

16-Terminal µMLP 1.8 x2.6mm Package

Tape and Reel

For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.

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