KU80386SLB1C25

The KU80386SLB1C25 is an Intel386 SL microprocessor provided as a single-core, 32-bit MPU running at 25 MHz. It is offered in a surface-mount 196-PQFP package (38.1×38.1) and is intended for embedded microprocessor applications.

Designed with integrated DRAM controller support and optional co-processor compatibility, this device addresses applications that require a compact, RoHS-compliant 32-bit processing solution with a commercial operating temperature range.

Key Features

• Core and Architecture  Single-core Intel386 SL 32-bit processor operating at 25 MHz for general embedded compute tasks.
• Co-processor Support  Compatible with Intel387 SX math engine for systems that require optional floating-point or math acceleration.
• Memory Interface  DRAM controller support simplifies connection to external dynamic RAM in embedded designs.
• Package and Mounting  Supplied in a 196-PQFP (38.1×38.1) surface-mount package, suitable for compact PCB layouts.
• Operating Conditions  Commercial-grade operation with an operating temperature range of 0°C to 90°C.
• Environmental Compliance  RoHS compliant, enabling use in designs that require lead-free components.

Typical Applications

• Embedded Control Systems  32-bit processing at 25 MHz for general-purpose control and logic in embedded equipment.
• Industrial Instrumentation  Surface-mount 196-PQFP packaging and DRAM controller support for compact instrumentation designs.
• Legacy and Replacement Designs  Use in systems requiring Intel386 SL class processing and optional Intel387 SX co-processor compatibility.

Unique Advantages

• 32‑bit Single‑Core Processing: Provides a standard 32-bit execution environment at a defined 25 MHz clock rate for predictable performance.
• Co‑processor Compatibility: Supports the Intel387 SX math engine to extend arithmetic and math capabilities when needed.
• Integrated DRAM Support: On-chip DRAM controller support reduces external memory interface complexity.
• Compact Surface‑Mount Package: 196‑PQFP (38.1×38.1) package enables space-efficient board layouts.
• Commercial Temperature Range: Rated for 0°C to 90°C operation to meet typical indoor and controlled-environment applications.
• RoHS Compliant: Conforms to lead-free requirements for environmentally conscious designs.

Why Choose KU80386SLB1C25?

The KU80386SLB1C25 positions itself as a practical embedded microprocessor choice where a 32-bit Intel386 SL core is required at a 25 MHz clock speed. Its combination of DRAM controller support, optional Intel387 SX co-processor compatibility, and a compact 196‑PQFP surface-mount package makes it suitable for space-constrained embedded designs operating within a commercial temperature range.

This device is appropriate for engineers and procurement teams sourcing a RoHS-compliant, single-core 32-bit MPU for embedded control, instrumentation, or maintenance of systems built around the Intel386 SL architecture.

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