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FXL2T245 — Low Voltage Dual Supply 2-Bit Signal Translator with Configurable Voltage Supplies
April 2014
FXL2T245
Low-Voltage, Dual-Supply, 2-Bit, Signal Translator
with Configurable Voltage Supplies and Signal Levels
and 3-State Outputs
Features
Bi-Directional Interface between any 2 Levels from
1.1 V to 3.6 V
Fully Configurable, Inputs Track V
CC
Level
Non-Preferential Power-up Sequencing; either V
CC
maybe 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
Control Inputs (T/R, OE) Levels are Referenced to
V
CCA
Voltage
Packaged in 10-Lead MicroPak
(1.6 mm x 2.1 mm) Package
ESD Protection Exceeds:
Description
The FXL2T245 is a configurable, dual-voltage-supply
translator designed for uni-directional and bi-directional
voltage translation between two logic levels. The device
allows translation between voltages as high as 3.6 V to
as low as 1.1 V. 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:
1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V.
The device remains in 3-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 Transmit / Receive (T/R) input determines the
direction of data flow through the device. The OE input,
when HIGH, disables both the A and B ports by placing
them in a 3-state condition. The FXL2T245 is designed
嵌入式系统
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