SN74HC74PWRG4

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 a dual D-type flip-flop that operates at high speed and is triggered by a positive edge. It is commonly used in digital circuits for storing and transferring data.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 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: 9ns
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74HC74PWRG4 has a total of 14 pins, which are numbered as follows:

1. CLR (Clear) - Active Low Clear Input
2. D1 (Data Input 1) - Data Input for Flip-Flop 1
3. CLK (Clock) - Clock Input
4. D2 (Data Input 2) - Data Input for Flip-Flop 2
5. Q2 (Output 2) - Output for Flip-Flop 2
6. Q1 (Output 1) - Output for Flip-Flop 1
7. GND (Ground) - Ground Reference
8. VCC (Supply Voltage) - Positive Supply Voltage
9. PRE (Preset) - Active Low Preset Input
10. PRN (Preset Enable) - Active Low Preset Enable Input
11. CLR (Clear Enable) - Active Low Clear Enable Input
12. Q1 (Output 1) - Output for Flip-Flop 1
13. Q2 (Output 2) - Output for Flip-Flop 2
14. VCC (Supply Voltage) - Positive Supply Voltage

Functional Features

• Dual D-Type Flip-Flop with independent data inputs and outputs.
• Positive-edge-triggered operation allows for synchronized data transfer.
• Clear and preset inputs provide control over the flip-flop state.
• High-speed operation enables efficient data storage and transfer.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data processing. - Dual flip-flop design provides flexibility in circuit design. - Independent data inputs and outputs enable versatile applications. - Clear and preset inputs offer control over the flip-flop state.

Disadvantages: - Limited voltage supply range (2V to 6V). - Propagation delay time may affect timing-sensitive applications. - TSSOP-14 package may require careful handling during assembly.

Working Principles

The SN74HC74PWRG4 operates as a dual D-type flip-flop. It stores and transfers data based on the positive edge of the clock signal. The data inputs (D1 and D2) are latched into the flip-flops when the clock input (CLK) transitions from low to high. The stored data can be accessed through the output pins (Q1 and Q2). The flip-flop state can be controlled using the clear (CLR) and preset (PRE) inputs, which set the outputs to a known state. The clear enable (CLE) and preset enable (PRN) inputs determine whether the clear and preset functions are active.

Detailed Application Field Plans

The SN74HC74PWRG4 is widely used in various digital applications, including:

1. Sequential Logic Circuits: The flip-flop's ability to store and transfer data makes it suitable for building sequential logic circuits such as counters, shift registers, and memory units.
2. Data Synchronization: The positive-edge-triggered operation ensures synchronized data transfer between different parts of a digital system.
3. State Machines: Flip-flops are essential components in designing state machines that control the behavior of complex systems.
4. Clock Domain Crossing: The dual flip-flop design allows for efficient clock domain crossing, ensuring proper synchronization of signals between different clock domains.

Detailed and Complete Alternative Models

• SN74HC74N
• MC74HC74AN
• CD74HC74E
• 74HC74D

These alternative models offer similar functionality and can be used as replacements for the SN74HC74PWRG4 in various applications.

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