Encyclopedia Entry: 74F74SJX

Product Overview

Category

The 74F74SJX belongs to the category of integrated circuits (ICs), specifically flip-flop ICs.

Use

This IC is commonly used in digital electronics for storing and manipulating binary data. It serves as a fundamental building block in various applications, including sequential logic circuits, counters, registers, and memory units.

Characteristics

• The 74F74SJX operates on a supply voltage range of 4.5V to 5.5V.
• It features two independent D-type positive-edge-triggered flip-flops with complementary outputs.
• The IC is designed to provide high-speed performance and low power consumption.
• It offers excellent noise immunity and robustness against electrical disturbances.

Package and Quantity

The 74F74SJX is typically available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Family: 74F
• Flip-Flop Type: D-Type Positive-Edge-Triggered
• Number of Flip-Flops: 2
• Output Type: Complementary
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The detailed pin configuration of the 74F74SJX is as follows:

+---+--+---+ Q1 |1 14| VCC D1 |2 13| Q2 CLK |3 12| CLR PR |4 11| D2 PL |5 10| GND Q1 |6 9| D2 D1 |7 8| CLK +--------+

Functional Features

• Positive-edge-triggered operation: The flip-flops store the input data (D1 and D2) at the rising edge of the clock signal (CLK).
• Complementary outputs: Each flip-flop provides both Q and Q̅ outputs, ensuring the availability of inverted signals.
• Clear and preset inputs: The CLR and PR pins allow for asynchronous clearing and presetting of the flip-flops.
• High-speed performance: The 74F74SJX is designed to operate at high clock frequencies, making it suitable for time-critical applications.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient processing of digital signals. - Low power consumption contributes to energy-efficient designs. - Excellent noise immunity ensures reliable operation in noisy environments.

Disadvantages: - Limited voltage supply range restricts compatibility with certain systems. - Small package size may require careful handling during assembly.

Working Principles

The 74F74SJX operates based on the principles of sequential logic. The flip-flops within the IC store binary data using feedback loops. The stored data can be manipulated by applying appropriate clock signals and control inputs. This allows for the creation of complex digital circuits that perform various functions, such as counting, storing, and transferring data.

Application Field Plans

The 74F74SJX finds extensive use in numerous digital electronic applications, including: - Microprocessor-based systems - Data storage and retrieval systems - Communication equipment - Industrial automation systems - Consumer electronics

Alternative Models

For similar functionality, alternative models to the 74F74SJX include: - 74LS74 - 74HC74 - 74HCT74 - CD4013 - SN74LVC2G74

These alternative models offer comparable features and can be used as substitutes depending on specific design requirements.

In conclusion, the 74F74SJX is a versatile flip-flop IC that provides high-speed performance, low power consumption, and excellent noise immunity. Its application spans across various digital electronic systems, making it an essential component in modern technology.

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