NG80386DX33
| Part Description |
Intel386 DX Microprocessor IC i386 1 Core, 32-Bit 33MHz 132-QFP |
|---|---|
| Quantity | 706 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | i386 |
| Manufacturer | Intel |
| Manufacturing Status | Obsolete |
| Manufacturer Standard Lead Time | Contact Us |
| Datasheet |
Specifications & Environmental
| Co-Processors/DSP | Math Engine; Intel387 DX | Core Processor | Intel386 DX | Device Package | 132-QFP | ||
|---|---|---|---|---|---|---|---|
| ECCN | 3A991A2 | Grade | Commercial | Graphics Acceleration | No | ||
| HTS Code | 8542.31.0001 | Moisture Sensitivity Level | N/A | Mounting Method | Surface Mount | ||
| Mounting Type | Surface Mount | Number of Cores/Bus Width | 1 Core, 32-Bit | Operating Temperature | 0°C ~ 85°C (TC) | ||
| Package / Case | 132-QFP | REACH Compliance | REACH Unknown | RoHS Compliance | RoHS non-compliant | ||
| Speed | 33MHz | Supplier Device Package | 132-QFP | Voltage – I/O | 5.0V |
Overview of NG80386DX33 – IC MPU I386 33MHz 132QFP
The NG80386DX33 is an Intel i386 series microprocessor featuring an Intel386 DX core running at 33 MHz. It provides a single 32-bit processing core with a DRAM controller and support for the Intel387 DX math coprocessor.
Designed for embedded applications, this commercial-grade, surface-mount device is offered in a 132-QFP package, operates from a 5 V I/O supply, and is RoHS compliant.
Key Features
- Core and Architecture Intel386 DX core providing a single 32-bit processing core at 33 MHz for general-purpose embedded processing.
- Memory Interface Integrated DRAM controller to support external DRAM memory configurations required by system designs.
- Coprocessor Support Compatible with the Intel387 DX math engine coprocessor for hardware-accelerated numeric operations.
- Power and I/O 5 V I/O operating voltage suitable for legacy 5 V embedded system designs.
- Package and Mounting 132-QFP supplier device package and surface-mount mounting type for PCB assembly in compact systems.
- Operating Range and Grade Commercial grade device with an operating temperature range of 0°C to 85°C.
- Standards and Compliance RoHS compliant for environmental regulatory requirements.
- Graphics No integrated graphics acceleration, focusing the device on CPU and numeric processing tasks.
Typical Applications
- Embedded Control Systems Single-chip 32-bit processing and DRAM support make it suitable for embedded controllers and system controllers within the commercial temperature range.
- Numeric and Signal Processing Use with the Intel387 DX math coprocessor for applications requiring additional floating-point or numeric computation acceleration.
- Legacy and Industrial Equipment 5 V I/O and 132-QFP surface-mount package accommodate integration into existing commercial embedded hardware platforms.
Unique Advantages
- Proven Intel386 DX Core: Provides a known 32-bit processing architecture at 33 MHz for predictable system behavior.
- DRAM Controller Included: Reduces external memory interface complexity by providing on-chip DRAM controller functionality.
- Coprocessor Compatibility: Enables the addition of the Intel387 DX math engine for enhanced numeric performance without changing the CPU.
- Surface-Mount 132-QFP: Compact package format suitable for PCB assembly in space-constrained embedded designs.
- Commercial Temperature Grade: Operates across 0°C to 85°C for typical commercial environment deployments.
- RoHS Compliant: Meets environmental compliance requirements for lead-free assemblies.
Why Choose NG80386DX33?
The NG80386DX33 combines a single 32-bit Intel386 DX core at 33 MHz with integrated DRAM control and Intel387 DX coprocessor support, packaged in a 132-QFP surface-mount device. Its 5 V I/O, commercial temperature rating, and RoHS compliance make it a practical choice for embedded system designs that require this specific combination of legacy voltage levels, numeric coprocessor support, and board-level integration.
Ideal for designers and procurement teams working on commercial embedded platforms that target the i386 series architecture, the NG80386DX33 delivers a straightforward, verifiable specification set for systems requiring 32-bit processing, DRAM interfacing, and optional math coprocessor expansion.
Request a quote or submit an inquiry today to check availability and pricing for the NG80386DX33.

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