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What is 74LVC540A?

This electronic component, produced by the manufacturer "Diodes", performs the same function as "OCTAL BUFFER/ LINE DRIVER".


74LVC540A Datasheet PDF - Diodes

Part Number 74LVC540A
Description OCTAL BUFFER/ LINE DRIVER
Manufacturers Diodes 
Logo Diodes Logo 


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74LVC540A
OCTAL BUFFER/ LINE DRIVER WITH 3 STATE OUTPUTS
Description
The 74LVC540A is an octal inverting buffer/driver is designed for
driving bus lines or buffer memory address registers. The 3-state
control gate is a 2-input AND gate with active-low inputs so that, if
either output enable (OE1 or OE2) input is high, all eight outputs are in
the high-impedance state..These devices feature inputs and outputs
on opposite sides of the package that facilitate printed circuit board
layout.
The device is designed for operation with a power supply range of
1.65V to 3.6V.
The inputs are tolerant to 5.5V allowing this device to be used in a
mixed voltage environment. The device is fully specified for partial
power down applications using IOFF. The IOFF circuitry disables the
output preventing damaging current backflow when the device is
powered down.
Features
Supply Voltage Range from 1.65V to 3.6V
Sinks or Sources 24mA at VCC = 3V
CMOS Low Power Consumption
IOFF Supports Partial Power Down Operation
Inputs or Outputs Accept Up to 5.5V
Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage
Applications
Schmitt Trigger Action at All Inputs
Typical VOLP (Quiet Output Ground Bounce) Less Than 0.8V with
VCC = 3.3V and TA = +25°C
Typical VOHV (Quiet Output dynamic VOH) Greater than 2.0V with
VCC = 3.3V and TA = +25°C
ESD Protection Tested per JESD 22
ƒ Exceeds 200-V Machine Model (A115)
ƒ Exceeds 2000-V Human Body Model (A114)
ƒ Exceeds 1000-V Charged Device Model (C101)
Latch-Up Exceeds 250mA per JESD 78, Class I
All devices are:
ƒ Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
ƒ Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
Applications
General Purpose Logic
Bus Driving
Power Down Signal Isolation
Wide array of products such as:
ƒ PCs, Notebooks, Netbooks, Ultrabooks
ƒ Networking Computer Peripherals, Hard Drives, CD/DVD
ROM
ƒ TV, DVD, DVR, Set Top Box
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,
"Green" and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
74LVC540A
Document number: DS35890 Rev. 1 - 2
1 of 10
www.diodes.com
July 2014
© Diodes Incorporated

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74LVC540A equivalent
Operating Characteristics
TA = +25°C
Symbol
Parameter
Test Conditions
Cpd
Power dissipation
F= 10 MHz
capacitance per gate Outputs Enabled
VCC
1.8V ± 0.15V
2.5V ± 0.3V
3.3V ± 0.3V
Typ
9.9
10.2
10.6
Unit
pF
74LVC540A
Package Characteristics
Symbol
θJA
θJC
θJA
θJC
Parameter
Thermal Resistance
Junction-to-Ambient
Thermal Resistance
Junction-to-Case
Thermal Resistance
Junction-to-Ambient
Thermal Resistance
Junction-to-Case
Package
TSSOP-20
Test Conditions
Min
Typ
Max Unit
(Note 9)
— 74 — °C/W
TSSOP-20
(Note 9)
— 15 — °C/W
V-QFN4525-20
(Note 9)
— 67 — °C/W
V-QFN4525-20
(Note 9)
— 20 — °C/W
Note:
9. Test conditions for TSSOP-20 and V-QFN4525-20: Devices mounted on 4 layer FR-4 substrate PC board, 2oz copper, with minimum recommended
pad layout per JESD 51-7.
74LVC540A
Document number: DS35890 Rev. 1 - 2
5 of 10
www.diodes.com
July 2014
© Diodes Incorporated


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74LVC540AThe function is OCTAL BUFFER/ LINE DRIVER. DiodesDiodes
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