MC74HC74ADTR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, Dual D-Type Positive-Edge-Triggered Flip-Flop
• Package: TSSOP-14
• Essence: This IC is designed to store and transfer data in digital systems.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Supply Voltage: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Current: -4mA
• Low-Level Output Current: 4mA
• Propagation Delay Time: 18ns
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74HC74ADTR2 has a total of 14 pins arranged as follows:

__ __ Q1 |1 \__/ 14| VCC Q2 |2 13| CLR D1 |3 12| CLK D2 |4 11| PRE GND |5 10| PRN CP |6 9| QN R1 |7 8| Q ‾‾ ‾‾

Functional Features

• Dual D-Type Flip-Flop: The MC74HC74ADTR2 consists of two independent D-type flip-flops, allowing for the storage and transfer of two separate data inputs.
• Positive-Edge Triggered: The flip-flop is triggered by the rising edge of the clock signal, ensuring accurate data capture.
• High-Speed Operation: With a propagation delay time of only 18ns, this IC is suitable for high-speed digital systems.
• Clear and Preset Inputs: The CLR and PRE inputs allow for the synchronous clearing and presetting of the flip-flop outputs.
• Complementary Outputs: The Q and QN outputs provide complementary data outputs.

Advantages

• High-Speed Operation: The MC74HC74ADTR2 offers fast data storage and transfer capabilities, making it ideal for time-critical applications.
• Compact Package: The TSSOP-14 package allows for space-efficient integration into electronic circuits.
• Wide Operating Voltage Range: The IC can operate within a voltage range of 2V to 6V, providing flexibility in various system designs.

Disadvantages

• Limited Output Current: The MC74HC74ADTR2 has a low output current capability, which may restrict its use in driving certain loads.
• Temperature Sensitivity: The operating temperature range of -40°C to +85°C may limit its suitability for extreme temperature environments.

Working Principles

The MC74HC74ADTR2 operates based on the principles of D-type flip-flops. It stores and transfers data using positive-edge triggering. When the clock signal rises, the input data is captured and stored in the flip-flop. The stored data is then available at the output pins until the next clock cycle.

Application Field Plans

The MC74HC74ADTR2 finds applications in various digital systems where data storage and transfer are required. Some potential application fields include:

1. Microcontrollers: Used for storing and transferring data between different components of a microcontroller.
2. Communication Systems: Facilitates data synchronization and transmission in communication protocols.
3. Digital Signal Processing: Enables the storage and manipulation of digital signals in real-time processing.
4. Memory Modules: Used in memory circuits to store and retrieve data.

Alternative Models

1. SN74HC74: Similar dual D-type flip-flop IC from Texas Instruments.
2. CD4013B: Dual D-type flip-flop IC with complementary outputs from ON Semiconductor.
3. 74HCT74: High-speed CMOS dual D-type flip-flop IC from NXP Semiconductors.

These alternative models offer similar functionality and can be considered as substitutes for the MC74HC74ADTR2 in various applications.

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