SB80C188XL25

The SB80C188XL25 is a 16-bit microprocessor based on the 80C186 core, configured as a single-core MPU running at 25 MHz. Designed for embedded applications, it provides on-chip support for DRAM controllers and DMA interfaces while allowing external 80187 FPU co-processor integration.

Offered in a surface-mount 80-SQFP package and rated for commercial temperature ranges, this RoHS-compliant device targets embedded and commercial designs that require a compact, 16-bit processing solution with standard 5 V I/O.

Key Features

• Core and Performance 80C186 single 16-bit core operating at 25 MHz for deterministic embedded processing.
• Memory Support Integrated DRAM controller capability to simplify external memory interfacing.
• Co-Processor Support External 80187 FPU support for systems that require supplemental floating-point processing.
• Interfaces Built-in DMA interface to enable efficient data transfers with reduced CPU overhead.
• Power and I/O Standard 5 V I/O voltage for compatibility with common legacy peripherals and system designs.
• Package and Mounting Supplied in an 80-SQFP / 80-QFP surface-mount package for compact PCB implementations.
• Operating Range and Grade Commercial grade device with an operating temperature range of 0°C to 70°C.
• Environmental Compliance RoHS compliant to meet common environmental requirements.
• Graphics No dedicated graphics acceleration — focused on general-purpose embedded processing.

Typical Applications

• Embedded control systems — 16-bit processing, DRAM interface and DMA support make the device suitable for compact embedded controllers in commercial equipment.
• Commercial electronic products — Commercial-grade rating and 5 V I/O target typical commercial designs that require a surface-mount MPU.
• Systems needing floating-point offload — Designs that require enhanced numeric performance can integrate an external 80187 FPU co-processor.
• PCB-constrained designs — 80-SQFP surface-mount packaging enables dense board layouts where space is limited.

Unique Advantages

• Proven 80C186 core: Single 16-bit core at 25 MHz provides a predictable, established processing foundation for embedded designs.
• Integrated DRAM controller support: Simplifies memory subsystem design and reduces system-level component count.
• DMA capability: Enables efficient data movement without continuous CPU intervention, improving overall system throughput.
• External FPU compatibility: Optional 80187 co-processor support allows designers to add floating-point performance when needed.
• Surface-mount 80-SQFP packaging: Compact package supports high-density PCB layouts and modern assembly processes.
• RoHS compliant and commercial grade: Meets common environmental requirements and is specified for 0°C to 70°C operation.

Why Choose SB80C188XL25?

The SB80C188XL25 delivers a focused 16-bit embedded processing solution with integrated memory controller capabilities, DMA support and the option to add an 80187 floating-point co-processor. Its 80-SQFP surface-mount package and standard 5 V I/O make it straightforward to integrate into commercial embedded designs requiring a compact, deterministic MPU.

This part is well suited to designers and procurement teams building commercial embedded systems who need a reliable, RoHS-compliant processor option with straightforward memory interfacing and support for co-processor expansion.

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