IMS82C55AZ

Product Overview

Category: Integrated Circuit (IC)

Use: The IMS82C55AZ is a versatile programmable peripheral interface chip that can be used in various electronic systems for interfacing with external devices. It provides flexible input/output capabilities and control functions.

Characteristics: - Programmable - Versatile - Reliable - Compact

Package: The IMS82C55AZ is available in a 40-pin DIP (Dual Inline Package) format, which allows for easy integration into circuit boards.

Essence: The IMS82C55AZ serves as a bridge between the microprocessor and external devices, enabling data transfer and control signals.

Packaging/Quantity: The IMS82C55AZ is typically sold in reels or tubes containing multiple units, depending on the manufacturer's packaging specifications.

Specifications

The IMS82C55AZ has the following specifications:

• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 8 MHz
• Number of I/O Ports: 24
• Number of Control Lines: 3
• Number of Interrupt Lines: 2

Pin Configuration

The IMS82C55AZ has a total of 40 pins, each serving a specific function. The pin configuration is as follows:

Pin 1: Port A0 Pin 2: Port A1 ... Pin 39: VCC (+5V) Pin 40: GND (Ground)

For a detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

The IMS82C55AZ offers several functional features, including:

• Three 8-bit bidirectional I/O ports (Port A, Port B, and Port C)
• Programmable mode selection for each port
• Handshake and interrupt control lines
• Read and write control signals
• Internal timing and control logic

Advantages and Disadvantages

Advantages: - Versatile and programmable, allowing for customization in various applications - Compact size and easy integration into circuit boards - Reliable performance and compatibility with different microprocessors

Disadvantages: - Limited number of I/O ports compared to some other peripheral interface chips - Requires additional external components for certain applications

Working Principles

The IMS82C55AZ operates based on the principles of digital logic and microprocessor interfacing. It communicates with the microprocessor through control signals and data lines, enabling data transfer between the microprocessor and external devices. The chip's internal logic handles the timing and control functions, ensuring proper synchronization and data integrity.

Application Field Plans

The IMS82C55AZ finds applications in various electronic systems that require interfacing with external devices. Some common application fields include:

1. Industrial Automation: Controlling and monitoring devices such as sensors, actuators, and displays.
2. Communication Systems: Facilitating data transfer between microcontrollers and communication modules.
3. Embedded Systems: Enabling interaction with peripherals like keyboards, displays, and memory devices.
4. Robotics: Providing I/O capabilities for controlling robot movements and sensor feedback.

Alternative Models

There are several alternative models available in the market that offer similar functionality to the IMS82C55AZ. Some popular alternatives include:

1. Intel 8255A
2. Motorola MC6821
3. Texas Instruments SN74LS244

These alternative models can be considered based on specific requirements and compatibility with the target system.

In conclusion, the IMS82C55AZ is a versatile programmable peripheral interface chip used for interfacing with external devices. Its compact size, reliability, and customizable features make it suitable for various applications in industrial automation, communication systems, embedded systems, and robotics. While it has a limited number of I/O ports compared to some alternatives, it offers reliable performance and compatibility with different microprocessors.