CD74HC74MTE4

Product Overview

• Category: Integrated Circuit
• Use: Flip-Flop
• Characteristics: High-Speed, Dual D-Type Positive-Edge-Triggered Flip-Flop
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Reliable and efficient flip-flop for digital circuit applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

The CD74HC74MTE4 is a high-speed, dual D-type positive-edge-triggered flip-flop integrated circuit. It operates on a wide voltage range of 2V to 6V, making it suitable for various digital circuit applications. The flip-flop has two independent data inputs (D0 and D1), each with its own clock input (CLK0 and CLK1). The outputs (Q0 and Q1) provide the state of the flip-flop based on the input data and clock signals.

Detailed Pin Configuration

The CD74HC74MTE4 has a total of 14 pins, which are assigned specific functions as follows:

1. GND: Ground
2. D0: Data Input 0
3. CLK0: Clock Input 0
4. PRECLR0: Preset/Clear Input 0
5. Q0: Output 0
6. Q0̅: Complementary Output 0
7. VCC: Power Supply
8. Q1̅: Complementary Output 1
9. Q1: Output 1
10. PRECLR1: Preset/Clear Input 1
11. CLK1: Clock Input 1
12. D1: Data Input 1
13. NC: No Connection
14. GND: Ground

Functional Features

• High-speed operation: The CD74HC74MTE4 is designed to operate at high clock frequencies, making it suitable for time-critical applications.
• Dual D-type flip-flop: It features two independent flip-flops in a single package, allowing for efficient use of board space.
• Positive-edge-triggered: The flip-flop responds to the rising edge of the clock signal, ensuring accurate data capture.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient processing of digital signals.
• Dual flip-flop design saves board space and reduces component count.
• Positive-edge triggering ensures reliable data capture.

Disadvantages

• Limited voltage range (2V to 6V) may not be suitable for all applications requiring different voltage levels.
• TSSOP package may require careful handling during assembly to prevent damage.

Working Principles

The CD74HC74MTE4 operates based on the principles of positive-edge-triggered flip-flops. When the clock input receives a rising edge, the state of the data inputs is captured and stored in the flip-flop. This stored state is then reflected in the outputs, which can be used as inputs for subsequent digital circuitry.

Detailed Application Field Plans

The CD74HC74MTE4 finds applications in various digital systems, including but not limited to:

1. Microcontrollers: Used for storing and synchronizing data in microcontroller-based systems.
2. Communication Systems: Enables data buffering and synchronization in communication protocols.
3. Digital Signal Processing: Facilitates data storage and manipulation in DSP algorithms.
4. Memory Systems: Utilized for address decoding and control signal generation in memory modules.

Detailed and Complete Alternative Models

1. SN74HC74: Similar dual D-type flip-flop with comparable specifications and pin configuration.
2. MC74HC74A: Another alternative offering similar functionality and performance.
3. CD4013B: Dual D-type flip-flop with additional features like set and reset inputs.

These alternative models can be considered based on specific project requirements and availability.

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