SN74LVC74APW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Low-Voltage, CMOS Technology
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Dual D-Type Positive-Edge-Triggered Flip-Flop
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

The SN74LVC74APW is a dual D-type positive-edge-triggered flip-flop integrated circuit. It operates on low-voltage CMOS technology, making it suitable for various digital applications. The IC comes in a TSSOP package, which provides a compact and space-saving solution.

Detailed Pin Configuration

The SN74LVC74APW has a total of 14 pins, each serving a specific function. Here is the detailed pin configuration:

1. CLR (Clear) - Active-Low Clear Input
2. D1 (Data Input 1) - Data Input for Flip-Flop 1
3. CLK1 (Clock Input 1) - Clock Input for Flip-Flop 1
4. PR (Preset) - Active-Low Preset Input
5. Q1 (Flip-Flop 1 Output) - Output of Flip-Flop 1
6. GND (Ground) - Ground Reference
7. Q2 (Flip-Flop 2 Output) - Output of Flip-Flop 2
8. Q2 (Flip-Flop 2 Output) - Output of Flip-Flop 2
9. VCC (Power Supply) - Positive Power Supply Voltage
10. CLK2 (Clock Input 2) - Clock Input for Flip-Flop 2
11. D2 (Data Input 2) - Data Input for Flip-Flop 2
12. SET (Set) - Active-Low Set Input
13. PRE (Preset Enable) - Active-High Preset Enable Input
14. CLR (Clear Enable) - Active-High Clear Enable Input

Functional Features

The SN74LVC74APW offers the following functional features:

• Dual D-Type Flip-Flop: The IC contains two independent D-type flip-flops, allowing for simultaneous operation.
• Positive-Edge Triggered: The flip-flops are triggered on the rising edge of the clock signal, ensuring accurate timing control.
• Low-Voltage Operation: The IC operates at low voltage levels, typically between 1.65V and 3.6V, making it suitable for battery-powered devices.
• CMOS Technology: The use of complementary metal-oxide-semiconductor (CMOS) technology provides low power consumption and high noise immunity.

Advantages and Disadvantages

Advantages: - Dual flip-flop configuration allows for efficient circuit design. - Positive-edge triggering ensures precise timing control. - Low-voltage operation makes it compatible with a wide range of applications. - CMOS technology provides low power consumption and high noise immunity.

Disadvantages: - Limited to positive-edge triggering, may not be suitable for applications requiring negative-edge triggering. - TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The SN74LVC74APW operates based on the principles of D-type flip-flops. Each flip-flop consists of a data input (D), a clock input (CLK), and an output (Q). When the clock signal transitions from low to high (rising edge), the state of the data input is captured and stored in the flip-flop. The stored value appears at the output until the next clock transition occurs.

Detailed Application Field Plans

The SN74LVC74APW finds applications in various digital systems where flip-flops are required. Some of the detailed application field plans include:

1. Sequential Logic Circuits: The IC can be used in sequential logic circuits such as counters, shift registers, and memory units.
2. Data Synchronization: It is suitable for synchronizing data signals in communication systems to ensure accurate transmission.
3. Control Systems: The flip-flop can be utilized in control systems for storing and updating control signals.
4. Clock Division: It can be employed in clock division circuits to generate lower-frequency clock signals from a higher-frequency input.

Detailed and Complete Alternative Models

• SN74LVC74A: Similar to SN74LVC74APW but comes in a different package (SOIC).
• MC74VHC74: Dual D-Type Flip-Flop with similar characteristics but operates at a higher voltage level.
• CD4013B: CMOS Dual D-Type Flip-Flop with additional features like Schmitt-trigger inputs.

These alternative models provide similar functionality and can be considered as alternatives to the SN74LVC74APW based on specific requirements.

In conclusion, the SN74LVC74APW is a dual