The MD8284A/BC is a Clock Generator and Driver manufactured by Intel. This component is specifically designed to provide the necessary clock signals for Intel's 8086 and 8088 microprocessors, essential for the timing and synchronization of the system's operations. It generates a stable and accurate clock signal, as well as providing reset and ready signals.

Applications

• Intel 8086 and 8088 Microprocessor-Based Systems: Provides the core clock signal for these processors, enabling system functionality.
• IBM PC and PC XT Motherboards: Used in the original IBM PC and PC XT to generate the system clock.
• Industrial Control Systems: Implemented in industrial systems that utilize the 8086/8088 processors.
• Early Embedded Systems: Employed in various early embedded systems requiring precise clock timing.

Features

• Crystal Controlled Oscillator: Uses an external crystal to generate a stable and accurate clock signal.
• Clock Division: Divides the crystal frequency to provide the required processor clock frequency.
• Reset Generation: Generates a system reset signal to initialize the system.
• Ready Signal Generation: Provides a ready signal to synchronize memory and peripheral access.
• TTL Compatible: Compatible with standard TTL logic levels.

Benefits

• Accurate Clock Signal: Ensures precise timing for reliable system operation.
• System Synchronization: Synchronizes memory and peripheral devices for proper data transfer.
• Easy Integration: Simple to integrate into 8086/8088-based systems.
• Reliable Performance: Provides stable and reliable clock signal generation.

Additional Details

The MD8284A/BC requires a 5V power supply for operation. The crystal frequency is typically twice the desired processor clock frequency, as the 8284 divides the crystal frequency by two. It also provides a synchronization signal for external devices. Detailed information on the MD8284A/BC can be found in the Intel datasheets for the 8086/8088 family.