The MD82C55A-5/883 is a CMOS Programmable Peripheral Interface (PPI) manufactured by Harris Corporation (later acquired by Intersil). This device provides a versatile means of interfacing microprocessors with a wide variety of peripheral devices. It is designed for applications requiring flexible I/O control, low power consumption, and reliable operation.

Applications

• Microprocessor-Based Systems: Used in a wide range of microprocessor-based systems for interfacing with peripheral devices.
• Industrial Control Systems: Employed in programmable logic controllers (PLCs) and other industrial control equipment for I/O control.
• Data Acquisition Systems: Utilized in data loggers, measurement devices, and data acquisition cards for interfacing with sensors and actuators.
• Robotics: Found in robotic controllers for controlling motors, sensors, and other robotic components.
• Instrumentation: Integrated into laboratory instruments and testing equipment for controlling and monitoring various parameters.
• Military Applications: Specified to /883 standards, suitable for high-reliability military and aerospace applications.

Features

• Three 8-bit I/O Ports: Provides three independent 8-bit I/O ports that can be configured as inputs or outputs.
• Three Operating Modes: Supports three operating modes (Mode 0, Mode 1, Mode 2) for flexible I/O control.
• Bit Set/Reset Capability: Allows for individual bits within a port to be set or reset.
• TTL Compatible Inputs and Outputs: Interfaces easily with standard TTL logic circuits.
• Low Power CMOS Technology: Consumes minimal power, making it suitable for battery-powered devices.
• DIP Package: Available in a standard DIP package for easy prototyping and breadboarding.
• /883 Screening: Indicates compliance with stringent military standards for reliability and performance.

Benefits

• Versatile Interface: Provides a versatile interface for connecting microprocessors to a wide variety of peripheral devices.
• Flexible Configuration: Three operating modes allow for flexible I/O control.
• Low Power Consumption: Low power CMOS technology extends battery life.
• Simplified System Design: Reduces the complexity of interfacing with peripheral devices.
• Easy Integration: TTL compatibility and DIP package simplify integration into existing systems.
• High Reliability: /883 screening ensures high reliability and performance in demanding applications.

Technical Specifications:

Supply Voltage: Consult datasheet for voltage range (typically 5V)

Operating Temperature: Consult datasheet (Extended temperature range due to /883)

Package Type: DIP

I/O Port Configuration: Programmable

Power Consumption: Consult datasheet (Low Power CMOS)

/883 Screening: Yes