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Octal 3-state Inverting Buffer IC - 74HC540

Octal 3-state Inverting Buffer IC - 74HC540

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  • Output Drive Capability: 15 LSTTL Loads
  • Outputs Directly Interface to CMOS, NMOS, and TTL
  • Operating Voltage Range: 2.0 to 6.0 V
  • Low Input Current: 1 A
  • High Noise Immunity Characteristic of CMOS Devices
  • In Compliance With the JEDEC Standard No. 7 A Requirements
  • Chip Complexity: 124 FETs or 31 Equivalent Gates
  • NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
  • These Devices are Pb−Free and are RoHS Compliant

Octal 3-state Inverting Buffer IC - 74HC540

The 74HC Series 74HC540 is a 20 Pin Octal 3-state Inverting Buffer IC having a 2V to 6V Operating Voltage range with a 6mA output current. The 3-STATE  buffers utilize advanced silicon-gate  CMOS  technology.  They possess high drive current outputs, enabling high-speed operation even when driving large bus capacitances.

These circuits achieve speeds comparable to low-power Schottky devices while retaining the advantage of CMOS circuitry, i.e., high noise immunity, and low power consumption. Both devices have a fanout of 15 LS-TTL equivalent inputs. The  74HC540  is an inverting buffer and the MM74HC541 is a non-inverting buffer. The 3-STATE control gate operates as a two-input NOR such that if either G1 or  G2 is HIGH,  all eight outputs are in the high-impedance state.

Pinout:

Pinout Of 74HC540 IC

Package Includes:

  • 1 x IC - 74HC540

Specifications:

Supply Voltage − 0.5 to + 7.0V
DC Input Voltage –0.5 to VCC + 0.5
DC Output Voltage −0.5 ≤ VO ≤ VCC + 0.5
DC Input Diode Current ±20 mA
DC Output Diode Current ±35 mA
Output Current ± 35 mA
DC VCC or GND Current, per pin ± 75 mA
Storage Temperature Range − 65°C to + 150 °C
Power Dissipation 500 mW
Lead Temperature 260 °C
  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

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ADDITIONAL RESOURCES

1.What is the purpose of the output enable (OE) pin on the 74HC540?

  • The output enable (OE) pin controls whether the 74HC540's outputs are disabled or enabled. The outputs are disabled when the OE pin is high, and enabled when it is low. This feature can be useful for reducing power consumption or interacting with other systems that may require the outputs to be disabled at times.

2.What is the use of 74HC540?

  • The 74HC540 is an octal buffer/line driver integrated circuit (IC) that is commonly used for driving high-impedance loads or interfacing systems with different voltage levels.

Product Reviews

Based on 20 reviews Average Rating 4.75 stars out of 5
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  • yaswani
    1 month ago

    Great IC

    A reliable buffer for various digital applications, offering consistent performance and great value.

  • gurmit G. gurmit
    1 month ago

    Carefully Wrapped

    The IC was carefully wrapped in anti-static material, providing excellent protection. The attention to detail in packaging is commendable.

  • indervesh
    2 months ago

    Stable signal

    Provides consistent and stable signal inversion.

  • rahul R. rahul
    3 months ago

    GREAT VALUE FOR PERFORMANCE

    This buffer IC offers great value considering its quality and performance It's a reliable choice for various applications at an affordable price point

  • parveen
    5 months ago

    Speedy Service

    The delivery was fast and efficient, ensuring minimal downtime for my project.

  • guru G. guru
    7 months ago

    Helpful Team

    The support team was very responsive, providing quick solutions to my technical inquiries.

  • rahila maqbool
    7 months ago

    Rapid Delivery Timeframe

    Delivery was quick; I received my order within three days after placing it online Fast shipping allowed me to continue working on my project promptly.

  • snehlata S. snehlata
    8 months ago

    Packed Well

    The IC was well-protected, arriving in perfect condition.

  • manchan
    8 months ago

    Easy to Use

    Implementing the 74HC540 in my design was simple and straightforward. Its standard pinout made integration seamless.

  • premature P. premature
    10 months ago

    User friendly

    Easy to integrate into existing circuits due to its standard configuration.

  • pulkit sharma
    1 year ago

    Hassle-Free Ordering Process

    Ordering this buffer IC was smooth and hassle-free. The website offered clear descriptions that helped me choose the right product quickly without confusion.

  • sabid S. sabid
    1 year ago

    Reliable Inversion

    The 74HC540 provides reliable signal inversion with minimal delay. Its consistent performance is crucial for my digital circuits.

  • raj kumar
    1 year ago

    A Necessary Component

    A must-have component for anyone needing a reliable buffer This product meets all expectations while enhancing functionality in digital circuits significantly

  • chetanya C. chetanya
    1 year ago

    Prompt Service

    The IC arrived on time and in perfect condition, thanks to the prompt delivery service. I'm pleased with the efficiency.

  • raghunandan das
    1 year ago

    Helpful Customer Support Team

    Customer support was helpful when I had questions about wiring configurations. Their assistance made integrating this buffer into my project much easier

  • priynka P. priynka
    1 year ago

    Reliable Buffering Solution

    The 74HC540 octal buffer IC provides reliable buffering for digital signals. It works flawlessly in various applications and is easy to integrate into existing circuits.

  • rahul kumar
    1 year ago

    Straightforward Installation Process

    Installation was straightforward with no complications encountered during setup This buffer fits perfectly into my existing configuration without requiring adjustments or modifications