The MD82C288-10/B, manufactured by Rochester Electronics, is a CMOS Bus Controller designed to interface with microprocessors such as the 8086 and 8088. As a bus controller, it plays a crucial role in managing the flow of data and control signals between the microprocessor and other system components, including memory and peripherals. Rochester Electronics specializes in manufacturing end-of-life (EOL) and obsolete components, ensuring continued availability of essential parts for legacy systems and long-lifecycle applications.

Applications:

• Industrial Control Systems: Used in industrial automation equipment to manage communication between the CPU and I/O devices.
• Legacy Computer Systems: Employed in older computer architectures that rely on the 8086/8088 family of processors.
• Military and Aerospace Applications: Utilized in systems requiring long-term availability of specific components.
• Embedded Systems: Found in embedded applications needing a reliable bus controller for data transfer.
• Telecommunications Equipment: Integrated into telecommunications infrastructure for control and data processing.

Features:

• CMOS Technology: Low power consumption compared to older NMOS designs.
• Generates Control Signals: Provides essential control signals such as ALE, DT/R, DEN, and MRDC/MWTC for bus operation.
• Supports Multiple Processors: Compatible with 8086 and 8088 microprocessors.
• Maximum Operating Frequency: Operates at a maximum frequency of 10 MHz.
• TTL Compatible Inputs/Outputs: Ensures easy interfacing with other TTL-based components.

Benefits:

• Reliable Bus Control: Ensures proper synchronization and control of data transfers on the system bus.
• Low Power Consumption: CMOS technology minimizes power dissipation, making it suitable for battery-powered and energy-sensitive applications.
• Extended System Lifespan: Availability from Rochester Electronics ensures continued support for legacy systems.
• Easy Integration: TTL compatibility simplifies integration with existing system components.
• Cost-Effective Solution: Provides a cost-efficient solution for maintaining and repairing older systems.

Technical Specifications:

The MD82C288-10/B operates at a maximum clock frequency of 10 MHz and requires a 5V power supply. It is typically packaged in a 20-pin DIP (Dual In-line Package). The device generates all necessary control signals to manage the system bus, including Address Latch Enable (ALE), Data Transmit/Receive (DT/R), Data Enable (DEN), Memory Read Command (MRDC), and Memory Write Command (MWTC). These signals ensure proper timing and synchronization of memory and I/O operations. The operating temperature range is typically from 0°C to +70°C.

Note: Refer to the official datasheet from Rochester Electronics for detailed specifications, pinout diagrams, and application notes before integrating the MD82C288-10/B into your system.