MQ801866

The MQ801866 is a microprocessor IC featuring an 80186 core in a 16-bit RISC MPU form factor. Engineered for embedded and military applications, it combines core processing, DRAM control capability and DMA support to address system control, data handling and computation needs.

With through-hole mounting and a military-grade operating temperature range, this part is intended for designs that require robust assembly methods and wide-temperature reliability.

Key Features

• Core & Architecture Built around an 80186 core providing a single-core 16-bit processing element suitable for embedded control tasks.
• Cores & Data Width Single core, 16-bit bus width for straightforward system integration in legacy and embedded environments.
• Co‑processor Support Supports an external 80187 floating-point unit (FPU) for extended math and computation capability when required.
• Memory Controller Integrated support for DRAM controllers to simplify system memory implementation.
• Interfaces Includes DMA interface support to offload data transfer tasks and improve system determinism.
• Package & Mounting Supplied in a through-hole mounting type for durable PCB attachment and ease of repair or replacement.
• Temperature & Grade Military grade device rated for operation from −55 °C to 125 °C for demanding environmental conditions.
• Environmental Compliance RoHS compliant for adherence to lead-free manufacturing and environmental standards.

Typical Applications

• Military Systems — Designed for military-grade electronics where wide temperature range and rugged mounting are required.
• Embedded Control — Suited for embedded controllers that benefit from DRAM support and DMA for efficient data handling.
• Industrial Automation — Applicable in industrial control equipment requiring robust assembly and reliable operation across temperature extremes.
• Field-Serviceable Equipment — Through-hole mounting simplifies repairability and replacement in long-life or serviceable products.

Unique Advantages

• Military-grade temperature tolerance: −55 °C to 125 °C rating supports deployment in extreme operating environments.
• External FPU compatibility: Ability to pair with an 80187 FPU enables enhanced floating-point computation without increasing core complexity.
• Integrated DRAM controller support: Simplifies memory subsystem design and reduces external controller requirements.
• DMA interface support: Enables efficient data transfers and reduced CPU load for deterministic embedded tasks.
• Through-hole mounting: Provides robust mechanical retention and easier field servicing or replacement.
• RoHS compliant: Meets environmental lead-free requirements for modern manufacturing processes.

Why Choose MQ801866?

MQ801866 is positioned as a reliable, military-grade embedded microprocessor option that combines an 80186 core with DRAM controller capability, DMA support and external 80187 FPU compatibility. Its through-hole mounting and −55 °C to 125 °C operating range make it appropriate for designs that prioritize durable assembly and wide-temperature operation.

Manufactured by Intel as part of the i80186 series, this MPU is suited to engineers and procurement teams specifying components for long-life, serviceable embedded systems that demand predictable behavior and compliance with RoHS requirements.

Request a quote or submit an inquiry to receive pricing and availability information for MQ801866 and to discuss how it fits your application requirements.