Encyclopedia Entry: 74AC86PC

Product Overview

Category

The 74AC86PC belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic gates.

Use

This product is primarily used for logical operations in digital electronic systems. It serves as a quad 2-input XOR gate, providing high-speed performance and reliable functionality.

Characteristics

• High-speed operation: The 74AC86PC offers fast switching times, making it suitable for applications requiring quick response.
• Low power consumption: This IC is designed to operate efficiently with low power requirements.
• Wide operating voltage range: It can function within a broad voltage range, typically between 2V and 6V.
• Compatibility: The 74AC86PC is compatible with both TTL and CMOS logic families, allowing for seamless integration into various systems.

Package and Quantity

The 74AC86PC is available in a standard 14-pin plastic dual in-line package (DIP). It is commonly sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to Vcc
• Output Voltage Range: 0V to Vcc
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 5 ns (max)
• Quiescent Current: 4 μA (max)

Pin Configuration

The 74AC86PC features a 14-pin DIP package with the following pin configuration:

+---+--+---+ A1 -|1 +--+ 14|- Vcc B1 -|2 13|- C1 A2 -|3 12|- B2 B2 -|4 74AC86 11|- A3 C2 -|5 10|- B3 GND -|6 9|- C3 C4 -|7 8|- D3 +----------+

Functional Features

The 74AC86PC is a quad 2-input XOR gate, which means it performs exclusive OR operations on two input signals. It provides the following functional features:

• High-speed operation: The IC offers fast propagation delay times, enabling rapid processing of input signals.
• Wide voltage compatibility: It can accept input signals from both TTL and CMOS logic families, ensuring versatility in system integration.
• Low power consumption: The 74AC86PC operates efficiently with minimal power requirements, making it suitable for battery-powered devices.
• Noise immunity: It exhibits excellent noise immunity, allowing reliable operation even in noisy environments.

Advantages and Disadvantages

Advantages

• Fast switching times enable quick response in digital systems.
• Compatibility with multiple logic families allows for flexible integration.
• Low power consumption contributes to energy-efficient designs.
• Excellent noise immunity ensures reliable operation.

Disadvantages

• Limited number of inputs (2 per gate) may restrict certain complex logic operations.
• Propagation delay times may introduce timing issues in high-frequency applications.

Working Principles

The 74AC86PC operates based on the principles of exclusive OR (XOR) logic. It compares two input signals and produces an output signal that is high (logic 1) only when the inputs differ. When the inputs are the same, the output signal is low (logic 0). This behavior makes the IC useful for various applications involving data comparison, error detection, and parity checking.

Application Field Plans

The 74AC86PC finds application in numerous digital electronic systems, including but not limited to: - Data communication systems - Microprocessor-based systems - Arithmetic and logic units - Memory systems - Control systems

Alternative Models

Several alternative models can be considered as substitutes for the 74AC86PC. These include: - 74HC86: A similar quad 2-input XOR gate with compatibility for CMOS logic family. - 74LS86: A quad 2-input XOR gate compatible with TTL logic family, offering lower power consumption.

These alternatives provide similar functionality and can be chosen based on specific project requirements and component availability.

In conclusion, the 74AC86PC is a versatile integrated circuit that offers high-speed performance, low power consumption, and wide voltage compatibility. Its functional features, advantages, and application field plans make it a valuable component in various digital electronic systems.

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