ON Semiconductor
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74LCX74MX
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74LCX74MX

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: Low-voltage, low-power consumption, high-speed operation
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Dual D-type flip-flop with clear
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.0V to 3.6V
  • High-Level Input Voltage: 2.0V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: VCC - 0.5V
  • Low-Level Output Voltage: 0.5V
  • Maximum Operating Frequency: 200MHz

Detailed Pin Configuration

The 74LCX74MX has a total of 14 pins, which are assigned as follows:

  1. Pin 1: Clear (CLR)
  2. Pin 2: Data Input (D1)
  3. Pin 3: Clock Input (CLK)
  4. Pin 4: Set/Reset (S/R)
  5. Pin 5: Data Input (D2)
  6. Pin 6: Q2 Output
  7. Pin 7: Q2 Complementary Output
  8. Pin 8: Ground (GND)
  9. Pin 9: Q1 Complementary Output
  10. Pin 10: Q1 Output
  11. Pin 11: Data Output (Q2)
  12. Pin 12: Set/Reset (S/R)
  13. Pin 13: Clock Enable (CLKEN)
  14. Pin 14: Supply Voltage (VCC)

Functional Features

  • Dual D-type flip-flop with clear functionality
  • Positive-edge triggered clock input
  • Asynchronous clear input to reset the flip-flop
  • Set/Reset (S/R) input for individual flip-flop control
  • Complementary outputs for both flip-flops (Q1 and Q2)
  • Clock enable (CLKEN) input for disabling clock operation

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with various systems - Low-power consumption makes it suitable for battery-powered devices - High-speed operation enables efficient data processing

Disadvantages: - Limited operating frequency compared to some other ICs - Requires careful handling due to its small package size

Working Principles

The 74LCX74MX is a dual D-type flip-flop that operates on positive-edge triggered clock signals. The flip-flop can be cleared asynchronously using the clear (CLR) input, which resets the output to a low state. Individual flip-flops can also be controlled using the set/reset (S/R) input. The complementary outputs (Q1 and Q2) provide inverted versions of the main outputs (Q1 and Q2). The clock enable (CLKEN) input allows for disabling the clock operation.

Detailed Application Field Plans

The 74LCX74MX is commonly used in various digital systems where flip-flops are required. Some specific application areas include:

  1. Data storage and transfer systems
  2. Register and counter circuits
  3. Microcontrollers and microprocessors
  4. Communication systems
  5. Control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74LCX74MX include:

  1. 74HC74: High-speed CMOS logic dual D-type flip-flop
  2. CD4013: Dual D-type flip-flop with set and reset
  3. SN74LS74A: Dual positive-edge triggered D-type flip-flop

These alternative models can be considered based on specific requirements and compatibility with the target system.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74LCX74MX v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74LCX74MX in technical solutions:

  1. Q: What is the 74LCX74MX? A: The 74LCX74MX is a dual D-type flip-flop integrated circuit (IC) that operates on low voltage and has high-speed performance.

  2. Q: What is the operating voltage range of the 74LCX74MX? A: The 74LCX74MX operates within a voltage range of 2.0V to 3.6V.

  3. Q: What is the maximum clock frequency supported by the 74LCX74MX? A: The 74LCX74MX can support clock frequencies up to 200 MHz.

  4. Q: Can the 74LCX74MX be used for level shifting applications? A: Yes, the 74LCX74MX can be used for level shifting as it has 5V tolerant inputs.

  5. Q: How many flip-flops are there in the 74LCX74MX IC? A: The 74LCX74MX contains two independent D-type flip-flops.

  6. Q: What is the typical propagation delay of the 74LCX74MX? A: The typical propagation delay of the 74LCX74MX is around 3.8 ns.

  7. Q: Can the 74LCX74MX be used in battery-powered applications? A: Yes, the 74LCX74MX is suitable for battery-powered applications due to its low voltage operation.

  8. Q: Does the 74LCX74MX have any built-in protection features? A: Yes, the 74LCX74MX has built-in ESD protection on its inputs and outputs.

  9. Q: What is the package type of the 74LCX74MX? A: The 74LCX74MX is available in a small outline integrated circuit (SOIC) package.

  10. Q: Can the 74LCX74MX be cascaded to create larger flip-flop configurations? A: Yes, multiple 74LCX74MX ICs can be cascaded together to create larger flip-flop configurations as per the application requirements.

Please note that these answers are general and may vary depending on specific datasheet specifications and application scenarios.