Encyclopedia Entry: 74FCT521ATSOG

Product Overview

Category

The 74FCT521ATSOG belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This product is primarily used in digital electronics for storing and transferring binary data. It serves as a reliable memory element in various applications.

Characteristics

• The 74FCT521ATSOG is a high-speed, low-power octal D-type flip-flop.
• It operates on a wide voltage range, typically between 4.5V and 5.5V.
• This IC offers excellent noise immunity and robust performance.
• It is designed to work in both commercial and industrial temperature ranges.
• The 74FCT521ATSOG is known for its high-speed operation, making it suitable for time-critical applications.

Package and Quantity

The 74FCT521ATSOG is available in a small-outline SOG package. Each package contains one unit of the IC.

Essence

The essence of the 74FCT521ATSOG lies in its ability to store and transfer digital information reliably and efficiently. It provides a crucial building block for numerous electronic systems.

Specifications

• Number of Flip-Flops: 8
• Input Voltage Range: 0V to Vcc
• Output Voltage Range: 0V to Vcc
• Maximum Clock Frequency: 100 MHz
• Propagation Delay: 3 ns
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 4.5V to 5.5V

Detailed Pin Configuration

The 74FCT521ATSOG has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. CLK (Clock Input)
2. D0-D7 (Data Inputs)
3. GND (Ground)
4. Q0-Q7 (Flip-Flop Outputs)
5. Vcc (Supply Voltage)

Functional Features

• The 74FCT521ATSOG operates on a positive-edge-triggered clock input.
• It has eight individual D-type flip-flops, allowing simultaneous storage and transfer of eight bits of data.
• The IC offers asynchronous clear functionality to reset the flip-flops to a known state.
• It provides separate output enable controls for each flip-flop, enabling selective data transfer.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing.
• Wide voltage range compatibility enhances versatility.
• Excellent noise immunity ensures reliable performance.
• Compact SOG package saves board space.
• Asynchronous clear functionality enables easy reset.

Disadvantages

• Limited number of flip-flops may restrict certain applications requiring higher data storage capacity.
• Higher power consumption compared to some low-power alternatives.

Working Principles

The 74FCT521ATSOG functions based on the principles of sequential logic. It utilizes flip-flops to store and transfer digital information. The clock input triggers the flip-flops, causing them to latch and retain the input data until the next clock cycle. The stored data can then be accessed through the output pins.

Detailed Application Field Plans

The 74FCT521ATSOG finds application in various fields, including:

1. Microprocessor Systems: Used as a register or buffer element in microprocessor-based systems.
2. Data Communication: Employed in data transmission circuits for synchronization and buffering purposes.
3. Control Systems: Utilized in control units for storing and transferring control signals.
4. Memory Modules: Integrated into memory modules to facilitate data storage and retrieval.

Alternative Models

For those seeking alternative options, here are some detailed and complete models that offer similar functionality:

1. SN74FCT521APWR
2. CD74FCT521M96
3. MC74FCT521AN

These alternatives can be considered based on specific requirements and availability.

In conclusion, the 74FCT521ATSOG is a high-speed octal D-type flip-flop IC that provides reliable data storage and transfer capabilities. Its compact size, wide voltage range compatibility, and excellent noise immunity make it suitable for various applications in digital electronics.

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