A8028612

The A8028612 is an Intel i80286 series microprocessor configured as an iAPX86® 12 MHz device in a 68-CPGA package. It implements the 80286 core processor as a single-core MPU intended for embedded microprocessor applications.

Designed for commercial-grade systems, the device provides 5 V I/O compatibility, support for external 80287 floating-point co-processors, and DRAM memory controller integration, all within a through-hole 68-CPGA package and an operating temperature range of 0 °C to 85 °C. The part is RoHS compliant.

Key Features

• Core 80286 core processor implemented as a single core with a clock speed of 12 MHz.
• Co-processor Support External 80287 FPU support for floating-point operations.
• Memory Designed for systems using DRAM memory controllers.
• Power 5 V I/O voltage for compatibility with legacy and commercial logic levels.
• Package & Mounting Supplied in a 68-CPGA package with through-hole mounting for robust board attachment and field replacement.
• Operating Temperature Commercial temperature grade rated from 0 °C to 85 °C.
• Environmental Compliance RoHS compliant.

Typical Applications

• Embedded Systems — Acts as the main MPU in commercial embedded designs that require a 12 MHz 80286 core and DRAM-based memory support.
• Industrial & Instrumentation — Suitable for commercial industrial equipment and instrumentation operating within 0 °C to 85 °C.
• Legacy Equipment Maintenance — Replacement or refurbishment of legacy hardware and boards using the iAPX86/80286 architecture.
• Development & Educational Platforms — Useful for development, testing, and educational projects focused on 80286 architecture and system integration.

Unique Advantages

• Established 80286 architecture: Provides a known instruction set and single-core implementation for designs relying on the iAPX86 family.
• External FPU support: Compatibility with the 80287 co-processor enables offloading of floating-point workloads.
• Standard 5 V I/O: Simplifies integration into existing commercial 5 V systems and legacy logic environments.
• Robust package and mounting: 68-CPGA with through-hole mounting supports secure PCB attachment and straightforward replacement.
• Commercial temperature rating: 0 °C to 85 °C makes the device suitable for a wide range of commercial applications.
• RoHS compliant: Meets environmental requirements for restricted substances.

Why Choose A8028612?

The A8028612 pairs the 80286 core with essential system-level compatibility—5 V I/O, DRAM controller support, and external 80287 FPU capability—delivered in a durable 68-CPGA through-hole package. Its commercial temperature rating and RoHS compliance make it a practical choice for ongoing production, maintenance, and refurbishment of embedded and legacy systems.

This part is well suited to engineers and procurement teams seeking a straightforward, drop-in 80286 MPU solution for commercial embedded projects, industrial instrumentation within commercial temperature limits, or support of legacy hardware platforms.

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