The CG80C286-20 is a 16-bit microprocessor manufactured by Intersil Corporation. It is based on the Intel 80286 architecture but implemented using CMOS technology, providing lower power consumption and improved performance compared to its NMOS predecessors. This processor supports protected mode operation, enabling multitasking and memory management capabilities crucial for advanced operating systems.

Applications

  
• Industrial control systems.
  
• Embedded systems.
  
• Early PC-compatible computers.
  
• Data acquisition systems.
  
• Process control equipment.

Features

  
• 16-bit architecture.
  
• 20 MHz clock speed.
  
• CMOS technology for low power consumption.
  
• Protected mode operation with memory management.
  
• Real address mode for compatibility with earlier 8086/8088 software.
  
• Supports up to 16 MB of physical memory.

Benefits

  
• Improved performance compared to 8086/8088 processors.
  
• Reduced power consumption for energy-sensitive applications.
  
• Enhanced multitasking capabilities through protected mode.
  
• Increased memory addressing range.
  
• Compatibility with existing software base.

Technical Specifications

The CG80C286-20 operates on a single +5V power supply. It requires a clock signal and interfaces directly with memory and peripheral devices through its address, data, and control buses. The processor supports various interrupt mechanisms and provides hardware support for multitasking.  Detailed electrical and timing characteristics are available in the Intersil datasheet. Package type is typically a PGA or PLCC.