NG80386SX-40

The NG80386SX-40 is an Am386SX-series microprocessor offered by Advanced Micro Devices. It is a single-core, 32-bit MPU running at 40 MHz designed for embedded applications where a compact, surface-mount processor is required.

With 5 V I/O, support for a 387SX math coprocessor, a 100-pin PQFP footprint (19.05 × 19.05), and a commercial operating range, this device targets embedded designs that need straightforward 32-bit processing and board-level integration.

Key Features

• Core & Architecture  Am386SX core providing a single 32-bit processing engine suitable for embedded control tasks.
• Clock Speed  Operates at a fixed 40 MHz clock rate for predictable timing in system designs.
• Co-processor Support  Compatible with a Math Engine; 387SX coprocessor for accelerated numeric operations.
• Power & I/O  5 V I/O voltage level for compatibility with legacy 5 V systems.
• Package & Mounting  Delivered in a 100-BQFP bumpered package; supplier device package listed as 100-PQFP (19.05 × 19.05). Surface-mount mounting type for compact PCB implementation.
• Temperature & Grade  Commercial-grade device rated for operation from 0 °C to 100 °C.
• Graphics  No integrated graphics acceleration.
• Environmental Compliance  RoHS compliant.

Typical Applications

• Embedded control systems  Use as the main MPU in embedded platforms that require a single 32-bit core operating at 40 MHz.
• Surface-mount PCB designs  Ideal for designs that require a 100-pin PQFP (19.05 × 19.05) surface-mount processor footprint.
• Commercial-temperature equipment  Suitable for commercial applications operating within the 0 °C to 100 °C range.

Unique Advantages

• Compact surface-mount package: 100-PQFP (19.05 × 19.05) footprint simplifies board layout and supports high-density PCB designs.
• Deterministic 40 MHz operation: Fixed clock speed provides consistent timing behavior for control and embedded tasks.
• Numeric acceleration support: Compatibility with the 387SX math coprocessor enables offloading of floating-point and numeric workloads.
• Legacy 5 V I/O compatibility: Native 5 V I/O levels ease integration with existing 5 V logic domains.
• RoHS compliant: Meets environmental regulations for lead-free assembly and shipping.

Why Choose NG80386SX-40?

The NG80386SX-40 positions itself as a practical, integration-friendly microprocessor for embedded designs that require a single 32-bit core running at 40 MHz, with straightforward 5 V I/O and surface-mount packaging. Its compatibility with a 387SX math coprocessor and commercial temperature rating make it suitable for systems where numeric processing and standard operating ranges are required.

This part is a fit for teams and designs prioritizing a compact PQFP footprint, clear electrical interfacing, and RoHS compliance. It provides a balance of predictable performance and board-level integration for long-term embedded platform deployments.

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