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74LVC240A fiches techniques PDF

Diodes - SINGLE 2 INPUT POSITIVE NAND GATE

Numéro de référence 74LVC240A
Description SINGLE 2 INPUT POSITIVE NAND GATE
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74LVC240A fiche technique
74LVC240A
SINGLE 2 INPUT POSITIVE NAND GATE
Description
The 74LVC240A provides two 4-bit buffers/drivers with separate
output-enable (OE) inputs. When OE is low, the device passes data
from the A inputs to the Y outputs. When OE is high, the outputs are in
the high-impedance state.
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 24 ma 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.
74LVC240A
Document number: DS35886 Rev. 1 - 2
1 of 10
www.diodes.com
July 2014
© Diodes Incorporated

PagesPages 10
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