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FXMA108 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part # FXMA108
Description  Dual-Supply, 8-Bit Signal Translator with Configurable Voltage Supplies and Signals Levels, 3-State Outputs and Auto Direction Sensing
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

FXMA108 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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July 2010
© 2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FXMA108 • Rev. 1.0.1
FXMA108
Dual-Supply, 8-Bit Signal Translator with Configurable
Voltage Supplies and Signals Levels, 3-State Outputs
and Auto Direction Sensing
Features
Bi-Directional Interface between Two Levels from
1.65V to 5.5V
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) is Referenced to VCCA Voltage
Packaged in 20-Terminal DQFN
Direction Control Not Needed
80Mbps Throughput when Translating between
2.5V and 5.0V
ESD Protection Exceeds:
8kV Human Body Model (B Port I/O to GND)
(JESD22-A114 & Mil Std 883e 3015.7)
5kV Human Body Model (A Port I/O to GND)
(JESD22-A114 & Mil Std 883e 3015.7)
2kV Charged Device Model (ESD STM 5.3)
(JESD22-C101)
Description
The FXMA108 is a configurable dual-voltage supply
translator designed for both uni-directional and bi-
directional voltage translation between two logic levels.
The device allows translation between voltages as high
as 5.5V to as low as 1.65V. 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: 1.8V, 2.5V, 3.3V, and 5.0V.
The device remains in 3-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
Side by placing them in a 3-state condition. The /OE
input is supplied by VCCA.
The FXMA108 supports bi-directional translation without
the need for a direction control pin. The two sides 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
Cell Phones, PDA, Digital Camera, Portable GPS,
and Storage
Ordering Information
Part Number
Operating
Temperature Range
Package
Packing
Method
FXMA108BQX
-40 to 85°C
20-Lead, DQFN, JEDEC MO-241, 2.5x4.5mm
3000 Units
Tape and Reel


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