Encyclopedia Entry: 74ACTQ74SC

Product Overview

Category

The 74ACTQ74SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is primarily used for storing and transferring digital data in electronic systems. It serves as a fundamental building block for sequential logic circuits.

Characteristics

• High-speed operation: The 74ACTQ74SC offers fast switching times, making it suitable for applications requiring quick data transfer.
• Low power consumption: This IC is designed to minimize power usage, ensuring energy efficiency in electronic devices.
• Wide operating voltage range: The 74ACTQ74SC can operate within a broad voltage range, providing flexibility in various applications.
• Compact package: It is available in a small outline integrated circuit (SOIC) package, which allows for space-saving integration into electronic systems.

Package and Quantity

The 74ACTQ74SC is typically packaged in a SOIC-14 package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL, CMOS
• Maximum Clock Frequency: 200 MHz
• Flip-Flop Type: D-Type (Positive-Edge Triggered)

Detailed Pin Configuration

The 74ACTQ74SC has a total of 14 pins, each serving a specific function. The pin configuration is as follows:

1. Clear (CLR)
2. Data Input (D)
3. Clock Input (CLK)
4. Output Enable (OE)
5. Q Output
6. Q̅ Output
7. Ground (GND)
8. Q̅ Output
9. Q Output
10. Output Enable (OE)
11. Clock Input (CLK)
12. Data Input (D)
13. Clear (CLR)
14. VCC (Supply Voltage)

Functional Features

The 74ACTQ74SC offers the following functional features:

• Positive-edge triggering: The flip-flop captures and stores data on the rising edge of the clock signal.
• Asynchronous clear input: The clear input allows for immediate resetting of the flip-flop to a known state.
• Output enable control: The output enable pin enables or disables the outputs, providing flexibility in data transfer.

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data transfer.
• Low power consumption ensures energy efficiency.
• Wide operating voltage range provides versatility in different applications.
• Compact package allows for space-saving integration.

Disadvantages

• Limited functionality: The 74ACTQ74SC is specifically designed as a D-type flip-flop and may not be suitable for all sequential logic circuit requirements.
• Single-bit storage: It can only store and transfer one bit of digital data at a time.

Working Principles

The 74ACTQ74SC operates based on positive-edge triggering. When a rising edge is detected on the clock input (CLK), the data input (D) is captured and stored in the flip-flop. The stored data is then available at the Q and Q̅ outputs until the next clock cycle occurs. The asynchronous clear input (CLR) allows for immediate resetting of the flip-flop to a known state.

Detailed Application Field Plans

The 74ACTQ74SC finds application in various electronic systems that require sequential logic circuits. Some specific application fields include:

1. Microprocessors: Used for storing temporary data during processing.
2. Communication Systems: Employed in data transmission and reception circuits.
3. Digital Counters: Utilized for counting and storing digital signals.
4. Memory Modules: Integrated into memory circuits for data storage and retrieval.

Detailed Alternative Models

1. 74ACTQ74SJ: Similar to the 74ACTQ74SC, but packaged in a small outline integrated circuit (SOIC) package.
2. 74HC74: A CMOS-based alternative with similar functionality but operates at a lower voltage range.
3. 74LS74: A low-power Schottky TTL alternative with comparable characteristics and pin configuration.

These alternative models offer similar functionalities to the 74ACTQ74SC and can be considered based on specific application requirements.

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