Encyclopedia Entry: 74ACTQ273SJ

Product Overview

Category

The 74ACTQ273SJ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for storing and manipulating binary data.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger inputs for noise immunity
• Octal D-type flip-flop with clear

Package

The 74ACTQ273SJ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74ACTQ273SJ lies in its ability to store and transfer data within a digital system efficiently.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.5ns (max)
• Output Current: ±24mA

Detailed Pin Configuration

The 74ACTQ273SJ has a total of 20 pins, each serving a specific function:

1. Clear (CLR)
2. Data Inputs (D0-D7)
3. Clock (CLK)
4. Enable (EN)
5. Outputs (Q0-Q7)
6. Ground (GND)
7. Supply Voltage (VCC)

Functional Features

The key functional features of the 74ACTQ273SJ include:

• Octal D-type flip-flop operation
• Asynchronous clear input for resetting the flip-flop
• Positive-edge triggered clock input for synchronous operation
• Enable input for controlling the data transfer

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing
• Low power consumption helps in reducing energy requirements
• Wide operating voltage range provides flexibility in different applications
• Schmitt-trigger inputs enhance noise immunity, ensuring reliable operation
• Asynchronous clear input enables easy reset of the flip-flop

Disadvantages

• Limited output current may restrict certain high-current applications
• Propagation delay time may affect real-time systems with strict timing requirements

Working Principles

The 74ACTQ273SJ operates based on the principles of sequential logic. It uses D-type flip-flops to store and transfer binary data. The clock input triggers the flip-flops, allowing the data to be latched and propagated through the outputs. The clear input resets the flip-flops, clearing the stored data.

Detailed Application Field Plans

The 74ACTQ273SJ finds application in various digital electronic systems, including:

1. Microprocessors and microcontrollers
2. Data storage devices
3. Communication systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACTQ273SJ include:

1. 74HC273: High-speed CMOS octal D-type flip-flop
2. CD4013: Dual D-type flip-flop
3. SN74LS273: Octal D-type flip-flop with clear

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

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