SN74LVC74APWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low-voltage, high-speed, dual D-type positive-edge-triggered flip-flop
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Reliable and efficient flip-flop IC for digital circuit applications
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

The SN74LVC74APWR is a dual D-type positive-edge-triggered flip-flop integrated circuit. It operates at low voltage levels and offers high-speed performance. The flip-flop is designed to store and transfer data in digital circuits. It features two independent flip-flops with individual data inputs (D), clock inputs (CLK), set inputs (S), reset inputs (R), and complementary outputs (Q and Q̅).

Key specifications of the SN74LVC74APWR include:

• Supply Voltage Range: 1.65V to 5.5V
• High-Speed Operation: 4.5 ns maximum propagation delay time
• Low Power Consumption: 2 µA maximum ICC
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24 mA

Pin Configuration

The SN74LVC74APWR has a total of 14 pins arranged in a TSSOP package. The pin configuration is as follows:

+---+--+---+ CLR |1 +--+ 14| VCC D0 |2 13| CLK D1 |3 12| D2 D3 |4 11| D3 GND|5 10| Q̅1 Q0 |6 9| Q1 GND|7 8| Q̅0 +----------+

Functional Features

The SN74LVC74APWR offers the following functional features:

1. Dual Flip-Flop: It contains two independent D-type flip-flops, allowing for simultaneous storage and transfer of data.
2. Positive-Edge Triggered: The flip-flop is triggered by a positive edge transition of the clock input.
3. Set and Reset Inputs: It provides set (S) and reset (R) inputs to control the state of the flip-flop.
4. Complementary Outputs: The outputs (Q and Q̅) are complementary, providing both true and inverted versions of the stored data.

Advantages and Disadvantages

Advantages of using the SN74LVC74APWR include:

• Low-voltage operation allows for compatibility with modern digital circuits.
• High-speed performance enables efficient data transfer.
• Dual flip-flop configuration provides flexibility in circuit design.
• Small TSSOP package saves board space.

Disadvantages of the SN74LVC74APWR include:

• Limited output drive capability may not be suitable for high-current applications.
• Availability and pricing may vary depending on the supplier.

Working Principles

The SN74LVC74APWR operates based on the principles of positive-edge-triggered flip-flops. When a positive edge transition occurs at the clock input (CLK), the data present at the D input is transferred to the corresponding Q output. The flip-flop can be set or reset using the S and R inputs, respectively. The complementary outputs Q and Q̅ provide both the true and inverted versions of the stored data.

Detailed Application Field Plans

The SN74LVC74APWR is widely used in various digital circuit applications, including:

1. Microcontrollers: It can be utilized for storing and transferring data within microcontroller systems.
2. Communication Systems: The flip-flop is suitable for synchronization and data storage in communication circuits.
3. Memory Modules: It can be employed in memory modules to store address or control signals.
4. Digital Signal Processing: The SN74LVC74APWR finds applications in digital signal processing circuits for data manipulation and synchronization.

Detailed and Complete Alternative Models

In addition to the SN74LVC74APWR, there are several alternative models available that offer similar functionality. Some notable alternatives include:

1. CD4013B: Dual D-type flip-flop with set and reset inputs, operating at a wider voltage range.
2. MC74HC74A: High-speed dual D-type flip-flop with complementary outputs, suitable for demanding applications.
3. 74ACT74: Advanced CMOS technology-based dual positive-edge-triggered flip-flop with improved speed and power characteristics.

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

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