Encyclopedia Entry: 74LVX74M

Product Overview

Category

The 74LVX74M belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is primarily used for storing digital information in electronic systems. It can be employed in various applications where sequential logic is required, such as data storage, synchronization, and signal processing.

Characteristics

• The 74LVX74M operates on a supply voltage range of 2.0V to 5.5V, making it compatible with a wide range of systems.
• It offers high-speed operation, enabling efficient data transfer and processing.
• This IC has a low power consumption, making it suitable for battery-powered devices.
• It exhibits excellent noise immunity, ensuring reliable performance even in noisy environments.

Package

The 74LVX74M is available in a small outline integrated circuit (SOIC) package. This package type provides compactness and ease of integration into electronic circuits.

Essence

The essence of the 74LVX74M lies in its ability to store and manipulate digital information using flip-flop circuits. It enables the creation of sequential logic circuits that are essential for various electronic systems.

Packaging/Quantity

The 74LVX74M is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier, but a common packaging option includes 250 units per reel.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Logic Family: LVX
• Number of Flip-Flops: 2
• Maximum Clock Frequency: 100 MHz
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The 74LVX74M features a 14-pin configuration. The pinout and their corresponding functions are as follows:

1. CLR (Clear) - Asynchronous clear input
2. D (Data) - Data input
3. CLK (Clock) - Clock input
4. PR (Preset) - Asynchronous preset input
5. Q (Output) - Output of the flip-flop
6. Q̅ (Complementary Output) - Complementary output of the flip-flop
7. GND (Ground) - Ground reference
8. Q̅ (Complementary Output) - Complementary output of the flip-flop
9. Q (Output) - Output of the flip-flop
10. VCC (Supply Voltage) - Positive supply voltage
11. D (Data) - Data input
12. CLK (Clock) - Clock input
13. PR (Preset) - Asynchronous preset input
14. CLR (Clear) - Asynchronous clear input

Functional Features

The 74LVX74M is equipped with two independent D-type flip-flops, allowing for simultaneous or separate operation. Key functional features include:

• Asynchronous Clear (CLR) and Preset (PR) inputs for resetting and setting the flip-flop state.
• Positive-edge triggered clock input (CLK) for synchronizing data transfer.
• Data (D) input for storing information in the flip-flop.
• Complementary outputs (Q and Q̅) that provide both the stored value and its inverse.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• High-speed operation enables efficient data processing.
• Low power consumption makes it suitable for battery-powered devices.
• Excellent noise immunity ensures reliable performance.

Disadvantages

• Limited number of flip-flops per IC may restrict complex circuit designs.
• Requires external components for complete functionality in certain applications.

Working Principles

The 74LVX74M operates based on the principles of flip-flop circuits. It utilizes positive-edge triggered clock signals to latch and store data at the input (D) into its internal memory. The stored information can be accessed through the complementary outputs (Q and Q̅). The asynchronous clear (CLR) and preset (PR) inputs allow for resetting or setting the flip-flop state independently of the clock signal.

Detailed Application Field Plans

The 74LVX74M finds application in various fields, including:

1. Digital Communication Systems: Used for synchronization and data storage in communication protocols.
2. Microcontrollers and Processors: Employed for register storage and control signal generation.
3. Data Processing Units: Utilized for sequential logic operations and state machine implementation.
4. Industrial Automation: Integrated into control systems for timing and synchronization purposes.
5. Consumer Electronics: Incorporated in devices requiring sequential logic, such as timers and counters.

Detailed and Complete Alternative Models

1. 74HC74: Similar to 74LVX74M but operates at a higher voltage range (