A80C188XL25

The A80C188XL25 is a single-core 80C186 microprocessor designed for embedded applications. It features a 16-bit core running at 25 MHz and provides on-chip support relevant to system integration, making it suitable for a range of embedded designs.

Built for commercial-grade environments, this Intel-manufactured device offers DRAM controller support, DMA interfaces and external 80187 FPU compatibility, all delivered in a 68-CPGA through-hole package with 5 V I/O.

Key Features

• Core  80C186 single-core, 16-bit processor running at 25 MHz for deterministic 16-bit processing.
• Memory Support  DRAM controller capability to interface with external dynamic RAM as specified.
• Co-processor Support  Compatible with the external 80187 floating-point coprocessor for extended numeric processing.
• Interfaces  Includes DMA support to enable efficient data movement without continuous CPU intervention.
• Power  5 V I/O voltage for compatibility with legacy 5 V signaling domains.
• Package & Mounting  68-BECPGA / 68-CPGA supplier package in a through-hole mounting format for robust board attachment and ease of assembly.
• Operating Range & Grade  Commercial grade device with an operating temperature range of 0 °C to 70 °C.
• Environmental Compliance  RoHS compliant.

Typical Applications

• Embedded Control Systems  Use the 16-bit 80C186 core and DMA support for control loops and real-time task handling in embedded platforms.
• Systems Requiring External Floating-Point Acceleration  Pair with an 80187 coprocessor to offload floating-point computations while the main core handles control and I/O.
• Memory-Driven Applications  DRAM controller support enables designs that require external dynamic RAM for program and data storage.

Unique Advantages

• Compact 16‑bit Processing  Delivers focused 16-bit CPU performance at 25 MHz for embedded tasks with modest compute needs.
• External FPU Compatibility  Support for the 80187 coprocessor lets designers add floating-point capability without changing the main processor choice.
• Efficient Data Handling  DMA interface reduces CPU overhead for bulk data transfers, improving throughput for I/O-bound tasks.
• Through-Hole 68-CPGA Package  68-pin CPGA with through-hole mounting provides robust mechanical attachment and straightforward retrofit into legacy assemblies.
• Commercial Temperature and RoHS Compliance  Commercial grade operating range (0 °C to 70 °C) and RoHS compliance support broad deployment and regulatory alignment.

Why Choose A80C188XL25?

The A80C188XL25 positions itself as a practical choice for embedded designers seeking a straightforward 16-bit microprocessor solution. With a 25 MHz 80C186 core, DRAM controller support, DMA interfaces and compatibility with an external 80187 FPU, it supports designs that balance control tasks, memory access, and optional floating-point acceleration.

Its 68-CPGA through-hole package and 5 V I/O make it suitable for integration into existing boards or new designs that prioritize mechanical robustness and legacy signaling. As an Intel-manufactured, commercial-grade, RoHS-compliant device, it offers predictable supply-chain and compliance attributes for embedded development and production.

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