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74HC240D,653
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74HC240D,653

Product Overview

Category

The 74HC240D,653 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for signal amplification and switching purposes in electronic circuits.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compatibility with TTL and CMOS logic levels

Package

The 74HC240D,653 is available in a small outline package (SOP) with 20 pins.

Essence

The essence of this product lies in its ability to amplify and switch signals efficiently while consuming minimal power.

Packaging/Quantity

The 74HC240D,653 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Propagation Delay: 15 ns
  • Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

  1. GND (Ground)
  2. A1 (Input A1)
  3. A2 (Input A2)
  4. A3 (Input A3)
  5. A4 (Input A4)
  6. A5 (Input A5)
  7. A6 (Input A6)
  8. A7 (Input A7)
  9. OE (Output Enable)
  10. Y1 (Output Y1)
  11. Y2 (Output Y2)
  12. Y3 (Output Y3)
  13. Y4 (Output Y4)
  14. Y5 (Output Y5)
  15. Y6 (Output Y6)
  16. Y7 (Output Y7)
  17. VCC (Supply Voltage)
  18. B7 (Input B7)
  19. B6 (Input B6)
  20. B5 (Input B5)

Functional Features

  • Octal buffer/line driver with 3-state outputs
  • Non-inverting outputs
  • High output current capability
  • Balanced propagation delays
  • Outputs can drive up to 15 LS-TTL loads or 2 low-power Schottky TTL loads

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient signal processing
  • Low power consumption helps in reducing overall energy usage
  • Wide operating voltage range provides flexibility in various applications
  • Compatibility with both TTL and CMOS logic levels ensures versatility

Disadvantages

  • Limited output current capability compared to some other ICs
  • May not be suitable for applications requiring high output drive capability

Working Principles

The 74HC240D,653 operates as an octal buffer/line driver with 3-state outputs. It amplifies and switches input signals based on the control inputs and output enable signal. The non-inverting outputs provide a high output current capability, allowing them to drive multiple loads. The balanced propagation delays ensure synchronized signal transmission.

Detailed Application Field Plans

The 74HC240D,653 finds applications in various fields, including:

  1. Microcontroller interfacing
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC240D,653 are:

  1. SN74HC240N by Texas Instruments
  2. MC74HC240AN by ON Semiconductor
  3. CD74HC240E by Texas Instruments
  4. 74HCT240 by NXP Semiconductors
  5. TC74HC240AF by Toshiba Semiconductor

These alternative models can be considered based on specific requirements and availability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74HC240D,653 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74HC240D,653 in technical solutions:

  1. Q: What is the 74HC240D,653? A: The 74HC240D,653 is a octal buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the maximum voltage that can be applied to the inputs of 74HC240D,653? A: The maximum voltage that can be applied to the inputs is VCC + 0.5V, where VCC is the supply voltage.

  3. Q: What is the typical operating voltage range for 74HC240D,653? A: The typical operating voltage range is between 2V and 6V.

  4. Q: Can the 74HC240D,653 handle high-speed signals? A: Yes, the 74HC240D,653 is designed to handle high-speed signals and has a propagation delay of typically 9 ns.

  5. Q: How many output pins does the 74HC240D,653 have? A: The 74HC240D,653 has 8 output pins, each corresponding to one input pin.

  6. Q: Can the outputs of 74HC240D,653 be disabled? A: Yes, the outputs can be disabled by applying a high-level signal to the Output Enable (OE) pin.

  7. Q: What is the maximum output current that can be sourced or sunk by the 74HC240D,653? A: The maximum output current that can be sourced or sunk is ±35 mA.

  8. Q: Can the 74HC240D,653 be used in bidirectional data transfer applications? A: No, the 74HC240D,653 is a unidirectional buffer and cannot be used for bidirectional data transfer.

  9. Q: What is the power supply voltage range for the 74HC240D,653? A: The power supply voltage range is typically between 2V and 6V.

  10. Q: Can the 74HC240D,653 be cascaded to increase the number of outputs? A: Yes, multiple 74HC240D,653 chips can be cascaded together to increase the number of outputs in a system.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for the 74HC240D,653.