MQ80386-16

The MQ80386-16 is a 32-bit microprocessor IC from Intel's i386 series, featuring a single 80386 core packaged in a CQFP164 surface-mount package. Designed for embedded applications, this military-grade MPU supports external 80387 floating-point co-processor integration and DRAM memory controllers to address computation and system memory needs.

With an operating range of -55 °C to 125 °C and RoHS compliance, the MQ80386-16 targets embedded and military environments where wide temperature tolerance and proven 32-bit processing capability are required.

Key Features

• Core  80386 core providing 32-bit processing in a single-core configuration.
• Clock & Identity  Identified as MQ80386-16 indicating 16MHz operation as part of the device designation.
• Co-Processor Support  External 80387 FPU support for floating-point acceleration when paired with a compatible co-processor.
• Memory Interface  DRAM controller support to interface with system memory subsystems.
• Package & Mounting  CQFP164 package in a surface-mount mounting type suitable for PCB assembly processes.
• Grade & Reliability  Military grade construction with an extended operating temperature range of -55 °C to 125 °C.
• Compliance  RoHS compliant to meet environmental material requirements.
• Graphics  No integrated graphics acceleration.

Typical Applications

• Embedded Systems  Use as the primary processor in embedded control and computation applications requiring a 32-bit core.
• Military & Aerospace Systems  Suitable for systems that require military-grade components and extended temperature operation.
• High-Temperature Environments  Deployments where operation across -55 °C to 125 °C is necessary.

Unique Advantages

• 32-Bit Processing:  Single 80386 core delivers a standard 32-bit processing foundation for embedded workloads.
• Floating-Point Expandability:  Support for an external 80387 FPU enables scalable floating-point performance without changing the MPU core.
• Memory Interface Ready:  DRAM controller support simplifies integration with system memory architectures.
• Military-Grade Thermal Range:  Rated from -55 °C to 125 °C for reliable operation in harsh thermal environments.
• Surface-Mount CQFP164 Package:  Industry-standard CQFP164 surface-mount form factor for established PCB assembly workflows.
• RoHS Compliant:  Meets environmental material requirements for regulated markets.

Why Choose MQ80386-16?

The MQ80386-16 combines a proven 80386 single-core 32-bit architecture with military-grade tolerance and DRAM interface capability, making it a practical choice for embedded and defense-related designs that require stable operation across a wide temperature range. Its support for an external 80387 FPU allows designers to add floating-point capability as needed while retaining the same MPU platform.

Produced by Intel as part of the i386 series, the MQ80386-16 is positioned for projects demanding reliable 32-bit processing, surface-mount packaging in CQFP164, and compliance with RoHS material standards.

Request a quote or submit a procurement inquiry to receive pricing and availability for the MQ80386-16. Our team can provide lead-time and ordering information to support your project schedule.