IS82C55AZ

5V CMOS programmable I/O interface in 44-pin PLCC package

Manufacturer: ['renesas', 'rochester', 'intersil']

series introduction

The **IS82C55AZ Series** is a family of programmable peripheral interface (PPI) chips designed to facilitate seamless communication between microprocessors and peripheral devices. These versatile ICs are widely recognized for their robust performance, flexibility, and ease of integration, making them a cornerstone in embedded systems and industrial automation applications. Built with advanced CMOS technology, the IS82C55AZ Series ensures low power consumption while delivering high-speed data transfer capabilities, making it suitable for both power-sensitive and performance-driven environments.

A key feature of the IS82C55AZ Series is its programmable nature, which allows users to configure the device to meet specific application requirements. The chip features three 8-bit I/O ports (Port A, Port B, and Port C), which can be independently programmed to operate in various modes, including basic I/O, strobed I/O, and bidirectional bus modes. This flexibility enables the IS82C55AZ to interface with a wide range of peripherals, such as keyboards, displays, sensors, and actuators, making it an ideal choice for diverse system designs. Additionally, the inclusion of a control register allows for dynamic reconfiguration of the ports during operation, further enhancing its adaptability.

The IS82C55AZ Series is designed with reliability and durability in mind. Its robust construction ensures stable operation across a wide temperature range, typically from -40°C to +85°C, making it suitable for harsh industrial environments. The chip also incorporates built-in protection features, such as electrostatic discharge (ESD) protection, to safeguard against potential damage during handling and operation.

Typical applications for the IS82C55AZ Series include industrial control systems, data acquisition systems, and embedded computing platforms. In industrial automation, it is commonly used to interface with sensors and actuators, enabling precise control and monitoring of machinery. In consumer electronics, it serves as a bridge between microcontrollers and peripheral devices, facilitating seamless user interactions. Its compact design and low power consumption also make it a popular choice for portable and battery-operated devices.

Overall, the IS82C55AZ Series stands out as a reliable, flexible, and high-performance solution for interfacing microprocessors with peripheral devices, making it a trusted component in a wide range of industries and applications.

Images for reference

44-LCC (J-Lead)

44-LCC (J-Lead)

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Datasheets

Partlist

IS82C55AZ
IS82C55AZ96