SN74AHCT74PWRG4

Overview

Product Category: Integrated Circuit (IC)

Use: The SN74AHCT74PWRG4 is a dual positive-edge-triggered D-type flip-flop IC. It is commonly used in digital electronics for storing and transferring data.

Characteristics: - Dual flip-flop with independent data inputs and outputs - Positive-edge-triggered operation - High-speed performance - Low power consumption - Wide operating voltage range - Schmitt-trigger input for noise immunity

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74AHCT74PWRG4 is an essential component in digital systems where sequential logic is required. It provides reliable storage and transfer of binary data.

Packaging/Quantity: The SN74AHCT74PWRG4 is typically sold in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9 ns (max)
• Power Dissipation: 22 mW (typical)

Pin Configuration

The SN74AHCT74PWRG4 has a total of 14 pins, which are assigned specific functions as follows:

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. Q1 (Output 1) - Output for flip-flop 1
5. Q̅1 (Complementary Output 1) - Complementary output for flip-flop 1
6. GND (Ground) - Ground reference
7. Q̅2 (Complementary Output 2) - Complementary output for flip-flop 2
8. Q2 (Output 2) - Output for flip-flop 2
9. CLK2 (Clock Input 2) - Clock input for flip-flop 2
10. D2 (Data Input 2) - Data input for flip-flop 2
11. VCC (Supply Voltage) - Positive supply voltage
12. PRE (Preset) - Active low preset input
13. PR̅E (Complementary Preset) - Complementary preset input
14. OE (Output Enable) - Active low output enable input

Functional Features

The SN74AHCT74PWRG4 offers the following functional features:

• Dual flip-flop operation allows independent storage and transfer of data.
• Positive-edge-triggered operation ensures reliable data capture on rising clock edges.
• Schmitt-trigger input provides improved noise immunity, making it suitable for noisy environments.
• Low power consumption makes it ideal for battery-powered applications.
• Wide operating voltage range allows compatibility with various digital systems.

Advantages and Disadvantages

Advantages: - High-speed performance enables efficient data processing. - Reliable data storage and transfer. - Low power consumption extends battery life in portable devices. - Wide operating voltage range enhances versatility. - Schmitt-trigger input improves noise immunity.

Disadvantages: - Limited number of flip-flops per IC package. - Not suitable for applications requiring a large number of sequential logic elements.

Working Principles

The SN74AHCT74PWRG4 operates based on positive-edge-triggered D-type flip-flop principles. When the clock input (CLK1 or CLK2) transitions from low to high, the data input (D1 or D2) is captured and stored in the corresponding flip-flop. The stored data is then available at the respective output (Q1 or Q2). The complementary outputs (Q̅1 and Q̅2) provide the inverted versions of the outputs.

The clear input (CLR) and preset input (PRE) allow for resetting the flip-flops to a known state. The output enable input (OE) controls the activation of the outputs.

Detailed Application Field Plans

The SN74AHCT74PWRG4 finds applications in various digital systems, including but not limited to:

1. Microcontrollers and microprocessors
2. Data storage devices
3. Communication systems
4. Digital signal processing
5. Industrial automation
6. Automotive electronics
7. Consumer electronics

Its ability to store and transfer data reliably makes it suitable for applications requiring sequential logic elements.

Alternative Models

There are several alternative models available that offer similar functionality to the SN74AHCT74PWRG4. Some popular alternatives include:

1. CD4013B: Dual D-type flip-flop