FC80486DX475

The FC80486DX475 is a 32-bit microprocessor IC from Intel's i486 series, built around the 80486DX core. It is supplied in a PQFP208 surface-mount package and is offered as a commercial-grade, RoHS-compliant device for embedded applications.

Key attributes include a single 32-bit processing core, an integrated floating-point unit (FPU), a 75MHz operating point indicated in the product name, and an operating temperature range of 0°C to 70°C—making it suitable for a range of commercial embedded designs.

Key Features

• Core Processor — Based on the 80486DX core providing a single 32-bit processing core for general-purpose embedded compute tasks.
• Integrated Floating-Point Unit — Includes an on-die FPU to accelerate floating-point calculations without an external coprocessor.
• Clock Rating and Package — Identified as a 75MHz part in a PQFP208 surface-mount package for high-density PCB assembly.
• Mounting and Grade — Surface mount device rated as Commercial grade for standard industrial and commercial environments.
• Operating Temperature — Specified for operation from 0°C to 70°C to match common commercial embedded system thermal requirements.
• Regulatory Compliance — RoHS compliant to support environmentally conscious designs and supply-chain requirements.
• Graphics Acceleration — No dedicated graphics acceleration included, focusing the device on CPU and FPU workloads.

Typical Applications

• Embedded Systems — Acts as the main MCU in embedded control and processing applications that require a 32-bit core and integrated FPU.
• Commercial Equipment — Suitable for commercial-grade devices and instruments operating within a 0°C to 70°C range.
• Surface-Mount PCB Designs — Designed for assemblies that use PQFP208 surface-mount components and require a defined clocked microprocessor.

Unique Advantages

• Integrated FPU: On-die floating-point unit reduces the need for external coprocessors, simplifying BOM and board layout.
• Clear Operating Range: Specified 0°C to 70°C temperature range aligns with standard commercial deployment scenarios and qualification flows.
• Surface-Mount PQFP208: High pin-count PQFP208 package supports dense I/O and compact PCB integration for embedded assemblies.
• RoHS Compliant: Meets RoHS requirements to support environmentally compliant product development and procurement.
• Established i486 Series: Part of Intel's i486 family, providing a familiar processor platform for designs that leverage the 80486DX core.

Why Choose FC80486DX475?

The FC80486DX475 combines a single 32-bit 80486DX core with an integrated FPU in a PQFP208 surface-mount package, offering a straightforward, commercially rated option for embedded designs. Its defined operating temperature range and RoHS compliance make it suited to commercial equipment and PCB assemblies requiring a compact, board-mounted processor.

This device is appropriate for designers and procurement teams seeking a documented i486-series microprocessor with on-chip floating-point capability and a clear commercial-grade specification for stable, long-term use in embedded projects.

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