Encyclopedia Entry: 74ACT821MTCX

Product Overview

Category

The 74ACT821MTCX belongs to the category of integrated circuits (ICs), specifically digital logic ICs.

Use

This IC is commonly used in electronic devices for various applications that require digital signal processing and logic operations.

Characteristics

• High-speed operation: The 74ACT821MTCX is designed to operate at high speeds, making it suitable for time-critical applications.
• Low power consumption: This IC is optimized for 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 74ACT821MTCX is compatible with other TTL logic families, allowing for easy integration into existing designs.

Package

The 74ACT821MTCX is available in a small outline package (SOIC) with 16 pins. This package offers compactness and ease of installation.

Essence

The essence of the 74ACT821MTCX lies in its ability to perform logical operations and process digital signals efficiently.

Packaging/Quantity

This IC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Logic Family: ACT
• Number of Pins: 16
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: <10 ns
• Output Current: ±24 mA

Detailed Pin Configuration

The 74ACT821MTCX has 16 pins arranged as follows:

Pin 1: Input A1 Pin 2: Input B1 Pin 3: Input A2 Pin 4: Input B2 Pin 5: Input A3 Pin 6: Input B3 Pin 7: Output Y1 Pin 8: Output Y2 Pin 9: Output Y3 Pin 10: GND (Ground) Pin 11: Output Y4 Pin 12: Output Y5 Pin 13: Output Y6 Pin 14: Input A4 Pin 15: Input B4 Pin 16: VCC (Power Supply)

Functional Features

The 74ACT821MTCX is a multiplexer with six outputs. It selects one of the input signals based on the control inputs and routes it to the corresponding output. This IC is designed for high-speed operation and can handle multiple logic levels.

Advantages and Disadvantages

Advantages

• High-speed operation allows for time-critical applications.
• Low power consumption ensures efficient energy usage.
• Wide voltage range provides flexibility in different electronic systems.
• Compatibility with other TTL logic families simplifies integration.

Disadvantages

• Limited number of inputs and outputs may restrict certain complex applications.
• Requires careful handling and static discharge precautions due to its integrated circuit nature.

Working Principles

The 74ACT821MTCX operates based on the principles of digital logic. It uses internal circuitry to select and route input signals to the appropriate output based on the control inputs. The IC's design ensures fast and accurate signal processing.

Detailed Application Field Plans

The 74ACT821MTCX finds applications in various fields, including: 1. Communication systems: Used for signal routing and switching in telecommunication devices. 2. Industrial automation: Employed in control systems for logical operations and signal processing. 3. Automotive electronics: Integrated into automotive control units for data manipulation and signal routing. 4. Consumer electronics: Utilized in devices such as TVs, DVD players, and gaming consoles for digital signal processing.

Detailed and Complete Alternative Models

1. 74HC821: Similar functionality but operates at a lower voltage range.
2. 74LS821: Compatible with older TTL logic families, but has slower operation speed.
3. CD74ACT821: Equivalent IC from a different manufacturer, offering similar features.

These alternative models can be considered based on specific requirements and compatibility with existing designs.

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