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IDT74LVC373A Datasheet(Fiches technique) 1 Page - Integrated Device Technology

Numéro de pièce IDT74LVC373A
Description  3.3V CMOS OCTAL TRANSPARENT D-TYPE LATCH WITH 3-STATE OUTPUTS, 5 VOLT TOLERANT I/O
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Fabricant  IDT [Integrated Device Technology]
Site Internet  http://www.idt.com
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INDUSTRIALTEMPERATURERANGE
IDT74LVC373A
3.3VCMOSOCTALTRANSPARENTD-TYPELATCH
1
OCTOBER 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
© 1999 Integrated Device Technology, Inc.
DSC-4640/1
FEATURES:
• 0.5 MICRON CMOS Technology
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
•VCC = 3.3V ± 0.3V, Normal Range
•VCC = 2.7V to 3.6V, Extended Range
• CMOS power levels (0.4
µµµµµ W typ. static)
• Rail-to-rail output swing for increased noise margin
• All inputs, outputs, and I/O are 5V tolerant
• Supports hot insertion
• Available in SOIC, SSOP, QSOP, and TSSOP packages
FUNCTIONAL BLOCK DIAGRAM
APPLICATIONS:
• 5V and 3.3V mixed voltage systems
• Data communication and telecommunication systems
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Reduced system switching noise
IDT74LVC373A
DESCRIPTION:
The LVC373A Octal transparent D-type latch is built using advanced dual
metal CMOS technology.
While the latch-enable (LE) input is high, the Q outputs follow the data (D)
inputs. When LE is taken low, the Q outputs are latched at the logic levels
set up at the D inputs.
Abufferedoutput-enable(OE)inputcanbeusedtoplacetheeightoutputs
in either a normal logic state (high or low logic levels) or a high-impedance
state. In the high- impedance state, the outputs neither load nor drive the bus
lines significantly. The high-impedance state and increased drive provide
the capability to drive bus lines without interface or pullup components.
OE does not affect the internal operations of the latch. Old data can be
retained or new data can be entered while the outputs are in the high-
impedance state.
To ensure the high-impedance state during power up or power down, OE
should be tied to VCC through a pullup resistor; the minimum value of the
resistor is determined by the current-sinking capability of the driver.
Inputs can be driven from either 3.3V or 5V devices. This feature allows
theuseofthisdeviceasatranslatorinamixed3.3V/5Vsystemenvironment.
3.3V CMOS OCTAL
TRANSPARENT D-TYPE LATCH
WITH 3-STATE OUTPUTS,
5 VOLT TOLERANT I/O
OE
C1
LE
1
D
TO SEVEN OTHER CHANNELS
1
11
3
2
1
D
1
Q




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Datasheet Download



Numéro de composants électroniques

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