Encyclopedia Entry: 74ACT1284SC

Product Overview

Category

The 74ACT1284SC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for various applications, including data processing, signal amplification, and logic operations.

Characteristics

• High-speed operation: The 74ACT1284SC is designed to operate at high speeds, making it suitable for time-critical applications.
• Low power consumption: This IC is known for its low power consumption, ensuring efficient energy usage.
• Wide voltage range: It can operate within a wide voltage range, providing flexibility in different electronic systems.
• Compatibility: The 74ACT1284SC is compatible with other TTL (Transistor-Transistor Logic) families, allowing for easy integration into existing circuit designs.

Package and Quantity

The 74ACT1284SC is typically available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL
• Number of Pins: 20
• Logic Family: ACT

Pin Configuration

The detailed pin configuration of the 74ACT1284SC is as follows:

Pin 1: Input A0 Pin 2: Input A1 Pin 3: Input A2 Pin 4: Input A3 Pin 5: Input A4 Pin 6: Input A5 Pin 7: Input A6 Pin 8: Input A7 Pin 9: Output Y0 Pin 10: Output Y1 Pin 11: Output Y2 Pin 12: Output Y3 Pin 13: Output Y4 Pin 14: Output Y5 Pin 15: Output Y6 Pin 16: Output Y7 Pin 17: GND (Ground) Pin 18: Input Enable Pin 19: Output Enable Pin 20: VCC (Supply Voltage)

Functional Features

The 74ACT1284SC is a high-speed octal buffer/line driver with 3-state outputs. It provides eight independent buffers with separate input and output controls. The IC features active-low enable inputs, allowing the user to control the input and output states effectively.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption ensures energy efficiency. - Wide voltage range allows for compatibility with various systems. - Easy integration with other TTL families simplifies circuit design.

Disadvantages: - Limited number of output pins may restrict certain applications requiring more outputs. - Availability in only one package type may limit flexibility in specific designs.

Working Principles

The 74ACT1284SC operates based on the principles of TTL logic. It receives input signals and processes them through internal circuitry to generate corresponding output signals. The active-low enable inputs control the flow of data between the inputs and outputs, providing flexibility in managing the state of the IC.

Application Field Plans

The 74ACT1284SC finds applications in various fields, including: 1. Microprocessor-based systems 2. Data communication equipment 3. Industrial automation 4. Instrumentation devices 5. Consumer electronics

Alternative Models

Other alternative models that can be used as substitutes for the 74ACT1284SC include: - 74HC1284: A similar octal buffer/line driver with 3-state outputs, compatible with CMOS logic. - SN74LS244: An octal buffer/line driver with 3-state outputs, compatible with LS-TTL logic.

These alternative models offer similar functionality and can be used as replacements depending on specific design requirements.

In conclusion, the 74ACT1284SC is a high-speed octal buffer/line driver IC with various advantages such as high-speed operation, low power consumption, and wide voltage range. It finds applications in diverse fields and has alternative models available for substitution.