MQ80386-25

The MQ80386-25 is an Intel 386® microprocessor packaged in a 164-CQFP (28.71x28.71) surface-mount device. It implements a single 32-bit Intel 386 core running at 25 MHz and includes on-chip DRAM controller functionality for embedded designs.

Targeted for embedded and military-grade applications, the device provides 5 V I/O compatibility and wide operating temperature capability for deployment in harsh environments.

Key Features

• Core — Intel 386® single-core, 32-bit architecture operating at 25 MHz for legacy 32-bit embedded processing.
• Memory and Controllers — On-chip DRAM controller to support system memory interfacing and reduce external controller requirements.
• Power — 5 V I/O signaling compatible with legacy system voltage domains.
• Package and Mounting — 164-BCQFP exposed pad; supplier device package listed as 164-CQFP (28.71x28.71). Surface mount type for PCB assembly.
• Thermal and Grade — Military-grade component with operating temperature range of -55 °C to 125 °C for rugged applications.
• Co-processor — Co-processor listed as 80386.
• Graphics — No graphics acceleration.
• Environmental — RoHS compliant.

Typical Applications

• Military Embedded Systems — Suitable for rugged, wide-temperature embedded electronics requiring military-grade components.
• Rugged Industrial Control — Fits control and instrumentation platforms that need a 32-bit processing core and on-board DRAM controller across a broad temperature range.
• Embedded Computing Platforms — Useful in embedded designs that require Intel 386® architecture, 5 V I/O compatibility, and CQFP packaging.

Unique Advantages

• Wide military temperature range: -55 °C to 125 °C operation enables dependable performance in harsh environments.
• Established 32-bit Intel 386® core: Single-core 32-bit processing at 25 MHz for designs based on i386 architecture.
• Integrated DRAM controller: Reduces external component count and simplifies memory subsystem design.
• Exposed-pad 164-CQFP package: 164-BCQFP with exposed pad and the listed 28.71x28.71 footprint supports board-level thermal handling and standard surface-mount assembly.
• 5 V I/O compatibility: Aligns with legacy voltage domains common in established embedded systems.
• RoHS compliant: Meets environmental compliance requirements for regulated applications.

Why Choose MQ80386-25?

The MQ80386-25 combines the Intel 386® 32-bit core, integrated DRAM controller, and a rugged military-grade temperature specification to address embedded designs that require proven architecture and robust environmental performance. Its 164-CQFP exposed-pad surface-mount package and 5 V I/O make it suitable for board-level integration in systems where reliability across wide temperatures is essential.

This part is appropriate for engineers designing or sustaining embedded and military systems that need consistent 32-bit processing, memory interfacing, and component-level durability without adding unnecessary external controllers.

Request a quote or submit an inquiry for pricing and availability to receive a formal quotation and lead-time information for the MQ80386-25.