Encyclopedia Entry: 74F74SCX

Product Overview

Category

The 74F74SCX 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 basic building block for various applications, including sequential logic circuits, counters, registers, and memory units.

Characteristics

• The 74F74SCX is a dual D-type positive-edge-triggered flip-flop IC.
• It operates on a wide supply voltage range, typically between 4.5V and 5.5V.
• This IC offers high-speed operation, making it suitable for time-critical applications.
• It features low power consumption, ensuring efficient energy usage.
• The 74F74SCX is designed to be compatible with other TTL (Transistor-Transistor Logic) devices.

Package and Quantity

The 74F74SCX is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 4.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Flip-Flop Type: D-Type
• Triggering: Positive Edge
• Number of Flip-Flops: 2
• Logic Family: TTL
• Package Type: SOIC

Pin Configuration

The 74F74SCX has a total of 14 pins, which are assigned specific functions. The detailed pin configuration is as follows:

Pin 1: Clear (CLR) Pin 2: Data Input (D1) Pin 3: Clock Input (CLK1) Pin 4: Set (SET) Pin 5: Output Q1 Pin 6: Ground (GND) Pin 7: Output Q1 Complement (Q1') Pin 8: Clock Input (CLK2) Pin 9: Data Input (D2) Pin 10: Clear (CLR) Pin 11: Set (SET) Pin 12: Output Q2 Pin 13: VCC (+5V) Pin 14: Output Q2 Complement (Q2')

Functional Features

• The 74F74SCX operates as two independent D-type flip-flops.
• It can be triggered by the positive edge of the clock signal, capturing and storing the input data.
• The clear (CLR) and set (SET) inputs allow for resetting or setting the flip-flop outputs to specific states.
• The complementary outputs (Q' and Q) provide both inverted and non-inverted versions of the stored data.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption ensures energy efficiency. - Compatibility with TTL devices allows for easy integration into existing systems.

Disadvantages: - Limited number of flip-flops per IC may restrict complex circuit designs. - Availability in a single package size may limit flexibility in certain applications.

Working Principles

The 74F74SCX utilizes positive-edge triggering to capture and store data. When the clock input receives a rising edge, the state of the data input is transferred to the corresponding flip-flop output. The clear and set inputs provide control over the output states, allowing for resetting or setting specific values.

Application Field Plans

The 74F74SCX finds extensive use in various digital electronic applications, including: - Sequential logic circuits - Counters and registers - Memory units - Data storage and retrieval systems - Control systems

Alternative Models

For those seeking alternatives to the 74F74SCX, several similar ICs are available on the market. These include: - 74LS74: A low-power Schottky version of the flip-flop IC. - 74HC74: A high-speed CMOS version with similar functionality. - 74HCT74: A high-speed CMOS version with TTL compatibility.

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

In conclusion, the 74F74SCX is a dual D-type positive-edge-triggered flip-flop IC widely used in digital electronics. Its high-speed operation, low power consumption, and compatibility with TTL devices make it a versatile component for various applications.

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