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MC74LCX74DTG

MC74LCX74DTG

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Gates
  • Characteristics: High-Speed, Low-Voltage, Dual D-Type Flip-Flop
  • Package: TSSOP-14
  • Essence: This IC is a dual D-type flip-flop with set and reset inputs. It operates at high speed and low voltage levels, making it suitable for various digital logic applications.
  • Packaging/Quantity: The MC74LCX74DTG is typically sold in reels containing 2500 units.

Specifications

  • Supply Voltage: 2.3V to 3.6V
  • Logic Family: LCX
  • Number of Flip-Flops: 2
  • Input Type: CMOS
  • Output Type: CMOS
  • Propagation Delay: 4.5ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74LCX74DTG has a TSSOP-14 package with the following pin configuration:

  1. Q1 Output
  2. Q1 Complementary Output
  3. GND (Ground)
  4. D1 Data Input
  5. S (Set) Input
  6. R (Reset) Input
  7. CLK (Clock) Input
  8. VCC (Supply Voltage)
  9. Q2 Output
  10. Q2 Complementary Output
  11. D2 Data Input
  12. NC (No Connection)
  13. NC (No Connection)
  14. GND (Ground)

Functional Features

  • Dual D-Type Flip-Flop: The MC74LCX74DTG contains two independent D-type flip-flops, allowing for simultaneous operation or separate control.
  • Set and Reset Inputs: The IC features dedicated set and reset inputs, enabling the user to control the state of the flip-flops.
  • High-Speed Operation: With a propagation delay of only 4.5ns, this IC ensures fast and efficient signal processing.
  • Low-Voltage Operation: The MC74LCX74DTG operates at low voltage levels (2.3V to 3.6V), making it compatible with modern digital systems.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data processing. - Low-voltage operation reduces power consumption. - Dual flip-flop design provides flexibility in circuit implementation.

Disadvantages: - Limited number of flip-flops per IC. - Requires external components for complete circuit implementation.

Working Principles

The MC74LCX74DTG is based on CMOS technology, which utilizes complementary pairs of MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistors) to implement logic functions. The D-type flip-flop within the IC stores and outputs a single bit of digital information. The set and reset inputs control the state of the flip-flop, while the clock input synchronizes the data transfer.

Detailed Application Field Plans

The MC74LCX74DTG can be used in various applications, including but not limited to:

  1. Digital Communication Systems
  2. Microcontrollers and Microprocessors
  3. Data Storage Systems
  4. Signal Processing Circuits
  5. Control Systems

Detailed and Complete Alternative Models

  1. SN74LVC74A: This IC is a similar dual D-type flip-flop with set and reset inputs. It operates at a wider supply voltage range (1.65V to 5.5V) and has a different pin configuration.
  2. CD4013B: This IC is a dual D-type flip-flop with set and reset inputs. It operates at a wider supply voltage range (3V to 18V) and has a different package type.

These alternative models offer similar functionality but may have different specifications and pin configurations. It is important to select the appropriate model based on specific requirements and compatibility with the existing circuitry.

Word count: 498 words

Перечислите 10 распространенных вопросов и ответов, связанных с применением MC74LCX74DTG в технических решениях.

Sure! Here are 10 common questions and answers related to the application of MC74LCX74DTG in technical solutions:

  1. Q: What is MC74LCX74DTG? A: MC74LCX74DTG is a dual D-type flip-flop integrated circuit (IC) that operates at low voltage levels and is commonly used in digital logic applications.

  2. Q: What is the operating voltage range of MC74LCX74DTG? A: MC74LCX74DTG operates within a voltage range of 2.0V to 3.6V, making it suitable for low-power applications.

  3. Q: What is the maximum clock frequency supported by MC74LCX74DTG? A: MC74LCX74DTG can support clock frequencies up to 100 MHz, allowing for high-speed data processing.

  4. Q: Can MC74LCX74DTG be used in both synchronous and asynchronous applications? A: Yes, MC74LCX74DTG can be used in both synchronous and asynchronous applications, depending on the specific requirements of the design.

  5. Q: What is the typical propagation delay of MC74LCX74DTG? A: The typical propagation delay of MC74LCX74DTG is around 7 ns, which indicates the time taken for the output to respond to a change in input.

  6. Q: How many flip-flops are present in MC74LCX74DTG? A: MC74LCX74DTG contains two independent D-type flip-flops, each with its own set and reset inputs.

  7. Q: Can MC74LCX74DTG be cascaded to create larger counters or registers? A: Yes, MC74LCX74DTG can be cascaded to create larger counters or registers by connecting the output of one flip-flop to the input of another.

  8. Q: What is the power consumption of MC74LCX74DTG? A: MC74LCX74DTG has low power consumption, typically around 10 µA, making it suitable for battery-powered applications.

  9. Q: Does MC74LCX74DTG have built-in protection against electrostatic discharge (ESD)? A: Yes, MC74LCX74DTG is designed with built-in ESD protection, ensuring its reliability in handling static electricity.

  10. Q: What package options are available for MC74LCX74DTG? A: MC74LCX74DTG is available in various package options, such as SOIC (Small Outline Integrated Circuit) and TSSOP (Thin Shrink Small Outline Package), providing flexibility for different PCB layouts and assembly processes.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for MC74LCX74DTG.