KU80386SXTR40

The KU80386SXTR40 is an Intel 80386-based microprocessor IC designed for embedded x86 applications. It features a single 32-bit core and targets embedded system designers and procurement for commercial-grade projects.

Built for systems that require a classic 80386 architecture with external floating-point support and DRAM interfacing, this surface-mount device delivers a straightforward integration path for legacy and embedded x86 designs.

Key Features

• Core Single 80386 core providing 32‑bit x86 processing for legacy and embedded software stacks.
• Processor Configuration 1 core, 32‑bit bus width suited to applications that run 80386-class code.
• External Floating-Point Support Supports an external 80387 FPU for hardware floating-point acceleration where required.
• Memory Interface DRAM controller support for dynamic memory configurations in embedded systems.
• Package and Mounting Surface-mount mounting type to accommodate modern PCB assembly and automated production.
• Commercial Grade and Temperature Range Commercial grade device rated for operation from 0 °C to 70 °C.
• Compliance RoHS compliant to meet environmental and regulatory requirements for lead-free assembly.

Typical Applications

• Embedded Systems — Integration into embedded x86 platforms that require a 32‑bit 80386 processor core and standard DRAM support.
• Legacy System Maintenance — Replacement or refurbishment of existing systems built around the 80386 architecture.
• FP-Accelerated Compute — Designs that add an external 80387 FPU for hardware floating-point operations alongside the 80386 core.
• Commercial Electronic Products — Commercial-grade applications operating within a 0 °C to 70 °C range and assembled using surface-mount processes.

Unique Advantages

• Proven 80386 Architecture: Offers a familiar 32‑bit x86 instruction set for legacy codebases and existing toolchains.
• External FPU Support: Allows designers to add an 80387 FPU when hardware floating-point performance is needed, enabling flexible system partitioning.
• DRAM Interface Ready: Built-in DRAM controller support simplifies memory subsystem design for embedded platforms.
• Surface-Mount Packaging: Facilitates automated PCB assembly and compact board layouts for modern manufacturing.
• Commercial Temperature Rating: Suitable for standard commercial applications operating between 0 °C and 70 °C.
• RoHS Compliant: Meets lead-free assembly requirements for environmentally conscious product builds.

Why Choose KU80386SXTR40?

The KU80386SXTR40 is positioned for designers and maintainers who require a reliable 80386-class microprocessor with straightforward DRAM support and optional floating-point acceleration via an external 80387 FPU. Its surface-mount form factor and commercial temperature rating make it appropriate for a range of embedded and legacy x86 applications.

Choose this part when you need a verifiable 80386 core solution that integrates into existing x86 toolchains and hardware designs while meeting RoHS environmental requirements and standard commercial operating conditions.

Request a quote or submit an inquiry to receive pricing and availability details for KU80386SXTR40 tailored to your project needs.