Encyclopedia Entry: 74F269SC

Product Overview

Category

The 74F269SC belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is primarily used for storing and manipulating digital data in electronic systems. It serves as a memory element, capable of retaining information until it is changed by an external signal.

Characteristics

• The 74F269SC is a synchronous, high-speed, quadruple-bit binary counter with asynchronous reset.
• It operates on a wide supply voltage range, typically between 4.5V and 5.5V.
• This IC offers excellent noise immunity due to its Schmitt-trigger inputs.
• It features a compact design, making it suitable for applications with limited space constraints.

Package

The 74F269SC is available in a small outline integrated circuit (SOIC) package. This package type provides ease of handling and compatibility with modern assembly techniques.

Essence

The essence of the 74F269SC lies in its ability to store and process digital data efficiently, enabling reliable and accurate information handling within electronic systems.

Packaging/Quantity

The 74F269SC is commonly packaged in reels or tubes, containing a quantity of 25 or 50 units per package, respectively.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Logic Family: 74F
• Number of Flip-Flops: 4
• Maximum Clock Frequency: 100 MHz
• Input/Output Compatibility: TTL

Detailed Pin Configuration

The 74F269SC has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. CP (Clock Pulse) Input 1
2. D (Data) Input 1
3. D (Data) Input 2
4. CP (Clock Pulse) Input 2
5. D (Data) Input 3
6. D (Data) Input 4
7. MR (Master Reset) Input
8. Q0 (Output) 1
9. Q1 (Output) 2
10. Q2 (Output) 3
11. Q3 (Output) 4
12. GND (Ground)
13. Q3 (Output) Complement
14. Q2 (Output) Complement
15. Q1 (Output) Complement
16. VCC (Positive Power Supply)

Functional Features

• Synchronous operation: The 74F269SC performs counting and data storage operations synchronously with the clock signal.
• Asynchronous reset: The IC can be reset to its initial state asynchronously using the master reset input.
• High-speed operation: With a maximum clock frequency of 100 MHz, this IC enables rapid data processing.
• Noise immunity: The Schmitt-trigger inputs provide excellent noise immunity, ensuring reliable operation even in noisy environments.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Compact design makes it suitable for space-constrained applications.
• Excellent noise immunity ensures reliable performance.
• Synchronous operation simplifies system synchronization.

Disadvantages

• Limited number of flip-flops may restrict its application in complex systems requiring more storage elements.
• Restricted supply voltage range may limit compatibility with certain power sources.

Working Principles

The 74F269SC operates based on the principles of digital logic. It utilizes flip-flops to store and manipulate binary data. The synchronous operation ensures that data is processed and stored in a coordinated manner with the clock signal. The asynchronous reset input allows for resetting the IC to its initial state independently of the clock signal.

Detailed Application Field Plans

The 74F269SC finds applications in various fields, including but not limited to: - Digital counters and dividers - Frequency synthesizers - Data storage systems - Communication equipment - Control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74F269SC include: - 74LS169 - 74HC269 - CD4029

These alternatives can be considered based on specific requirements such as voltage compatibility, speed, or package type.

In conclusion, the 74F269SC is a versatile integrated circuit belonging to the flip-flop family. Its high-speed operation, compact design, and excellent noise immunity make it suitable for various digital applications. However, its limited number of flip-flops and restricted supply voltage range should be taken into consideration when selecting this IC for specific projects.