KU80386SXTA33

The KU80386SXTA33 is an Intel386 SX microprocessor IC featuring a single 32-bit core running at 33 MHz, designed for embedded microprocessor applications. It provides DRAM controller support and optional off-chip math co-processor compatibility (Intel387 SX), making it suitable for embedded designs that require a classic 32-bit processing engine in a compact surface-mount package.

Key Features

• Core & Architecture Intel386 SX single core, 32-bit processing at a clock speed of 33 MHz for deterministic embedded compute tasks.
• Memory Support DRAM controller support to interface with system memory architectures commonly used in embedded designs.
• Co-processor Compatibility Supports the Intel387 SX math engine as an external numeric co-processor for enhanced floating-point calculations.
• Power & I/O 5 V I/O signalling suitable for designs that require standard TTL/CMOS level compatibility.
• Package & Mounting 100-pin PQFP surface-mount package (100-PQFP, 19×19 mm) for compact PCB integration and high pin-count connectivity.
• Grade & Operating Range Commercial grade device with an operating temperature range of 0 °C to 100 °C.
• Graphics No on-chip graphics acceleration.
• Environmental Compliance RoHS compliant.

Typical Applications

• Embedded Control Systems Use as the main processing engine in embedded applications that require a 32-bit single-core microprocessor.
• DRAM-Based Designs Systems that leverage on-board DRAM controllers for program and data memory can integrate this device to manage memory access.
• Math-Intensive Modules Applications that require external floating-point support can pair the processor with the Intel387 SX math co-processor.
• Surface-Mount PCB Projects Designs targeting compact, high-density PCBs benefit from the 100-PQFP (19×19 mm) surface-mount package.

Unique Advantages

• 32-Bit Single-Core Processing: Provides deterministic 32-bit execution at 33 MHz for consistent embedded performance.
• Integrated DRAM Support: Built-in DRAM controller compatibility simplifies memory interfacing and system design.
• Math Co-processor Support: Compatibility with the Intel387 SX math engine enables expanded numeric capabilities when required.
• Standard 5 V I/O Levels: 5 V I/O simplifies integration with legacy logic and common embedded peripherals.
• Compact Surface-Mount Package: 100-PQFP (19×19) package offers a high pin count in a space-efficient footprint for PCB integration.
• Commercial Temperature Range & RoHS Compliance: Rated 0 °C to 100 °C and RoHS compliant for commercial embedded deployments.

Why Choose KU80386SXTA33?

The KU80386SXTA33 positions itself as a straightforward, commercially graded 32-bit microprocessor solution for embedded designs that require a 33 MHz Intel386 SX core, DRAM controller support, and optional floating-point co-processor capability. Its 100-pin PQFP surface-mount package and 5 V I/O make it practical for compact PCBs and designs that need standard I/O compatibility.

This device is ideal for designers and procurement teams developing commercial embedded products that require stable, well-defined processing capability with support for system memory and numeric co-processing, while maintaining RoHS compliance and a 0 °C to 100 °C operating range.

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