MC74HC74AF

Product Overview

Category

MC74HC74AF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics for various applications such as signal processing, data storage, and logic operations.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with other TTL logic families
• Schmitt trigger inputs for noise immunity

Package

MC74HC74AF is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of MC74HC74AF lies in its ability to provide reliable and efficient digital logic functionality within electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of MC74HC74AF ICs.

Specifications

• Supply Voltage: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 4.5V
• Low-Level Output Voltage: 0.1V
• Maximum Operating Frequency: 30 MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MC74HC74AF has a dual D-type flip-flop configuration with the following pin assignments:

1. CLK (Clock Input)
2. D (Data Input)
3. Q (Flip-Flop Output)
4. /Q (Complementary Flip-Flop Output)
5. GND (Ground)
6. PRESET (Asynchronous Preset Input)
7. CLEAR (Asynchronous Clear Input)
8. VCC (Supply Voltage)

Functional Features

• Dual D-type flip-flop operation
• Asynchronous preset and clear inputs for initialization
• Clock input for synchronized operation
• Complementary outputs for versatile logic applications

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range enables compatibility with various systems.
• Schmitt trigger inputs provide noise immunity, ensuring reliable performance.

Disadvantages

• Limited maximum operating frequency may restrict its use in high-speed applications.
• Availability of alternative models with enhanced features may limit its competitiveness in certain scenarios.

Working Principles

MC74HC74AF operates based on the principles of flip-flop logic. The clock input synchronizes the internal circuitry, allowing the data input to be captured and stored within the flip-flop. The asynchronous preset and clear inputs enable initialization of the flip-flop's state. The complementary outputs provide the logical inverse of the stored data.

Detailed Application Field Plans

MC74HC74AF finds extensive application in various digital systems, including but not limited to: - Microcontrollers - Data storage devices - Communication systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

1. MC74HC74A: Similar to MC74HC74AF, but available in a different package (DIP).
2. MC74HCT74: A compatible model with TTL-level inputs and outputs.
3. MC74LVX74: A low-voltage version with similar functionality.

These alternative models offer different packaging options, voltage compatibility, or additional features, providing flexibility for specific design requirements.

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