Encyclopedia Entry: 74AC74MTCX

Product Overview

Category

The 74AC74MTCX belongs to the category of integrated circuits (ICs), specifically flip-flop ICs.

Use

This IC is commonly used in digital electronics for storing and manipulating binary data. It serves as a basic building block for various applications, including sequential logic circuits, counters, and registers.

Characteristics

• The 74AC74MTCX operates on a supply voltage range of 2V to 6V.
• It has two independent D-type flip-flops with complementary outputs.
• The IC offers high-speed operation and low power consumption.
• It is designed to be compatible with both TTL and CMOS logic families.

Package and Quantity

The 74AC74MTCX is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2V to 6V
• Logic Family Compatibility: TTL and CMOS
• Number of Flip-Flops: 2
• Output Type: Complementary
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5 ns (typical)

Pin Configuration

The 74AC74MTCX IC has a total of 14 pins, which are assigned specific functions as follows:

1. CLR (Clear Input)
2. D1 (Data Input for Flip-Flop 1)
3. CLK (Clock Input)
4. PR (Preset Input)
5. Q1 (Output for Flip-Flop 1)
6. Q̅1 (Complementary Output for Flip-Flop 1)
7. GND (Ground)
8. Q̅0 (Complementary Output for Flip-Flop 0)
9. Q0 (Output for Flip-Flop 0)
10. PRE (Preset Input)
11. CLK (Clock Input)
12. D0 (Data Input for Flip-Flop 0)
13. CLR (Clear Input)
14. VCC (Supply Voltage)

Functional Features

The 74AC74MTCX offers the following functional features:

1. Flip-Flop Operation: It can store and retain binary data using two independent D-type flip-flops.
2. Complementary Outputs: The IC provides complementary outputs for each flip-flop, allowing for versatile logic operations.
3. TTL/CMOS Compatibility: It is designed to be compatible with both TTL and CMOS logic families, ensuring seamless integration into various digital circuits.
4. High-Speed Operation: The IC operates at high speeds, making it suitable for applications that require rapid data processing.
5. Low Power Consumption: With its low power requirements, the IC helps conserve energy in electronic systems.

Advantages and Disadvantages

Advantages

• Versatile functionality for sequential logic circuits, counters, and registers.
• Compatibility with both TTL and CMOS logic families.
• High-speed operation enables efficient data processing.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited number of flip-flops per IC package.
• Requires careful consideration of voltage levels and signal compatibility when interfacing with other components.

Working Principles

The 74AC74MTCX operates based on the principles of D-type flip-flops. Each flip-flop within the IC stores a single bit of binary data. The clock input triggers the transfer of data from the D input to the Q output. The complementary outputs provide flexibility for logical operations. The clear and preset inputs allow for resetting or initializing the flip-flops as needed.

Application Field Plans

The 74AC74MTCX finds application in various fields, including:

1. Digital Communication Systems: Used in data transmission and reception circuits.
2. Microcontrollers and Microprocessors: Employed for storing temporary data during processing.
3. Automotive Electronics: Integrated into control units for sequential operations.
4. Industrial Automation: Utilized in programmable logic controllers (PLCs) for sequential control.

Alternative Models

For similar functionality, the following alternative models can be considered:

1. SN74LS74AN: A TTL-compatible dual D-type flip-flop IC.
2. CD4013BE: A CMOS-based dual D-type flip-flop IC with complementary outputs.
3. MC74HC74AN: High-speed CMOS dual D-type flip-flop IC compatible with TTL inputs.

These alternative models provide comparable features and can serve as substitutes for the 74AC74MTCX in various applications.

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