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FXL5T244 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low Voltage Dual Supply 5-Bit Signal Translator - Fairchild Semiconductor

भाग संख्या FXL5T244
समारोह Low Voltage Dual Supply 5-Bit Signal Translator
मैन्युफैक्चरर्स Fairchild Semiconductor 
लोगो Fairchild Semiconductor लोगो 
पूर्व दर्शन
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<?=FXL5T244?> डेटा पत्रक पीडीएफ

FXL5T244 pdf
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Terminal Descriptions
Terminal
Names
OE
An
Yn
VCCI
VCCO
GND
Description
Output Enable Input
Data Inputs
3-STATE Outputs
Inputs Power Supply
Outputs Power Supply
Ground
Truth Table
Inputs
OE
L
L
H
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
An
L
H
X
Outputs
Yn
L
H
3-STATE
Connection Diagram
Terminal Assignments for DQFN
Terminal Assignment
Terminal Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Terminal Name
VCCI
A0
A1
A2
A3
A4
GND
OE
Y4
Y3
Y2
Y1
Y0
VCCO
(Top View)
Power-Up/Power-Down Sequencing
FXL translators offer an advantage in that either VCC may
be powered up first. This benefit derives from the chip
design. When either VCC is at 0 volts, outputs are in a
HIGH-Impedance state. The control input, OE, is designed
to track the VCCI supply. A pull-up resistor tying OE to VCCI
should be used to ensure that bus contention, excessive
currents, or oscillations do not occur during power-up/
power-down. The size of the pull-up resistor is based upon
the current-sinking capability of the OE driver.
The recommended power-up sequence is the following:
1. Apply power to either VCC.
2. Apply power to the OE input (Logic HIGH for A-to-B
operation; Logic LOW for B-to-A operation) and to the
respective data inputs (A Port or B Port). This may
occur at the same time as Step 1.
3. Apply power to other VCC.
4. Drive the OE input LOW to enable the device.
The recommended power-down sequence is the following:
1. Drive OE input HIGH to disable the device.
2. Remove power from either VCC.
3. Remove power from other VCC.
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डाउनलोड[ FXL5T244 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
FXL5T244Low Voltage Dual Supply 5-Bit Signal TranslatorFairchild Semiconductor
Fairchild Semiconductor


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