Encyclopedia Entry: 74VHC74FT

Product Overview

Category

The 74VHC74FT belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flop devices.

Use

This product 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

• High-speed operation: The 74VHC74FT offers fast switching times, making it suitable for high-frequency applications.
• Low power consumption: This IC is designed to operate efficiently with low power requirements.
• Wide operating voltage range: It can function reliably within a broad voltage range, typically between 2V and 5.5V.
• Compatibility: The 74VHC74FT is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic families.

Package and Quantity

The 74VHC74FT is available in a small outline integrated circuit (SOIC) package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 2V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Flip-Flop Type: D-Type (Positive-Edge Triggered)
• Number of Flip-Flops: 2
• Output Type: Complementary (Q and Q̅)

Pin Configuration

The 74VHC74FT features a 14-pin SOIC package with the following pin configuration:

__ __ 1 | 1 14 | VCC 2 | 2 13 | D1 3 | 3 12 | CP 4 | 4 11 | Q1 5 | 5 10 | Q̅1 6 | 6 9 | GND ‾‾ ‾‾

Functional Features

• Positive-edge triggering: The flip-flops within the 74VHC74FT are triggered by a rising edge of the clock signal (CP).
• Data input (D): The D1 pin allows users to input binary data into the flip-flop.
• Complementary outputs: The Q1 and Q̅1 pins provide complementary outputs, representing the stored data.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption contributes to energy efficiency. - Wide operating voltage range enhances versatility. - Compatibility with TTL and CMOS logic families simplifies integration.

Disadvantages: - Limited number of flip-flops per IC (2 in this case). - Availability may vary depending on market demand.

Working Principles

The 74VHC74FT operates based on positive-edge triggering. When a rising edge is detected on the clock input (CP), the flip-flops capture and store the data present at the data input (D). The stored data is then available at the complementary output pins (Q1 and Q̅1).

Application Field Plans

The 74VHC74FT finds applications in various fields, including: 1. Digital communication systems 2. Microcontrollers and microprocessors 3. Data storage and retrieval systems 4. Industrial automation and control systems 5. Consumer electronics

Alternative Models

Other alternative models that serve similar functions to the 74VHC74FT include: - SN74LS74AN - CD4013BE - MC74HC74AN

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

In conclusion, the 74VHC74FT is a versatile flip-flop IC that offers high-speed operation, low power consumption, and compatibility with different logic families. Its positive-edge triggering and complementary outputs make it suitable for various digital applications across multiple fields.

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