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FXLA108

Description
Low-Voltage Dual-Supply 8-Bit Voltage Translator with Configurable Voltage Supplies and Signal Levels, 3-State Outputs, and Auto Direction Sensing
File Size280KB,16 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
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FXLA108 Overview

Low-Voltage Dual-Supply 8-Bit Voltage Translator with Configurable Voltage Supplies and Signal Levels, 3-State Outputs, and Auto Direction Sensing

FLXA108 — Low-Voltage Dual-Supply 8-Bit Voltage Translator
March 2009
FXLA108
Low-Voltage Dual-Supply 8-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 V
CC
Non-Preferential Power-Up; Either V
CC
May Be
Powered Up First
Outputs Remain in 3-State Until Active V
CC
Level is
Reached
Outputs Switch to 3-State if Either V
CC
is at GND
Power-Off Protection
Bus-Hold on Data Inputs Eliminates the Need for
Pull-Up Resistors
Control Input (/OE) Referenced to V
CCA
Voltage
Packaged in 20-Terminal DQFN (2.5mm x 4.5mm)
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)
Description
The FXLA108 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 V
CCA
level and the
B port tracks the V
CCB
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 V
CC
s reach
active levels, allowing either V
CC
to be powered up first.
Internal power-down control circuits place the device in
3-state if either V
CC
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 V
CCA
.
The FXLA108 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.
Applications
Laptops, Notebooks,
Routers, Switches
Ordering Information
Part Number
FXLA108BQX
Operating
Temperature
Range
-40 to 85°C
Eco
Status
Green
Package
20-Terminal DQFN 2.5mm x 4.5mm Package
Packing
Method
Tape and Reel
For Fairchild’s definition of “green” Eco Status, please visit:
http://www.fairchildsemi.com/company/green/rohs_green.html.
© 2009 Fairchild Semiconductor Corporation
FXLA108 • Rev. 1.0.0
www.fairchildsemi.com

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Description Low-Voltage Dual-Supply 8-Bit Voltage Translator with Configurable Voltage Supplies and Signal Levels, 3-State Outputs, and Auto Direction Sensing Low-Voltage Dual-Supply 8-Bit Voltage Translator with Configurable Voltage Supplies and Signal Levels, 3-State Outputs, and Auto Direction Sensing
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