KU80386SLB1C-20
| Part Description |
Intel386 SL Microprocessor IC Intel386®SL 1 Core, 32-Bit 20MHz 196-PQFP (38.1x38.1) |
|---|---|
| Quantity | 794 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | i386 |
| Manufacturer | Intel |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 1 Weeks |
| Datasheet |
Specifications & Environmental
| Co-Processors/DSP | Math Engine; Intel387 SX | Core Processor | Intel386 SL | Device Package | 196-PQFP (38.1x38.1) | ||
|---|---|---|---|---|---|---|---|
| ECCN | 3A991 | Grade | Commercial | Graphics Acceleration | No | ||
| HTS Code | 0000.00.0000 | Moisture Sensitivity Level | 3 (168 Hours) | Mounting Method | Surface Mount | ||
| Mounting Type | Surface Mount | Number of Cores/Bus Width | 1 Core, 32-Bit | Operating Temperature | 0°C ~ 90°C (TC) | ||
| Package / Case | 196-BFQFP | REACH Compliance | REACH Unaffected | RoHS Compliance | Not applicable | ||
| Speed | 20MHz | Supplier Device Package | 196-PQFP (38.1×38.1) | Voltage – I/O | 3V, 5V |
Overview of KU80386SLB1C-20 – IC MPU INTEL386SL 20MHZ 196QFP
The KU80386SLB1C-20 is an Intel-manufactured Intel386 SL microprocessor featuring a single 32-bit core running at 20 MHz. It is supplied in a 196-pin PQFP/BFQFP surface-mount package suitable for compact embedded board designs.
Targeted at embedded applications, this commercial-grade MPU integrates core processing capability with support for DRAM controllers and external math co-processor options to address mid-range control and processing tasks within a 0 °C to 90 °C operating range.
Key Features
- Core Single Intel386 SL 32-bit core operating at 20 MHz for deterministic processing in embedded systems.
- Co-processor Support Compatible with the Intel387 SX math engine to accelerate floating-point operations when required.
- Memory Interface Includes support for DRAM controllers to interface with external system memory.
- Package 196-pin PQFP / BFQFP surface-mount package; supplier lists 196-PQFP with dimensions 38.1 × 38.1 mm and a package case indicated as 196-BFQFP.
- Mounting Surface mount device suitable for standard PCB assembly processes.
- Operating Temperature Commercial temperature grade rated for operation from 0 °C to 90 °C.
- RoHS Compliance Device is RoHS compliant, supporting restricted substance requirements.
- Graphics No integrated graphics acceleration; designed for general-purpose processing and control functions.
Typical Applications
- Embedded Systems General-purpose 32-bit processing for embedded control and system management tasks.
- Industrial Control Use in controllers and instrumentation where a commercial-grade 32-bit MPU and DRAM support are required.
- Legacy Platform Support Replacement or maintenance of systems built around the Intel386 SL architecture and co-processor options.
Unique Advantages
- Established Intel 32-bit Architecture: Leverages the Intel386 SL core for predictable 32-bit processing behavior at 20 MHz.
- Co-processor Compatibility: Supports the Intel387 SX math engine to add floating-point capability without changing the main processor.
- Compact Surface-Mount Package: 196-pin PQFP/BFQFP package (38.1 × 38.1 mm) enables dense PCB layouts and standard SMT assembly.
- Commercial Temperature Range: Rated 0 °C to 90 °C for applications operating in typical commercial environments.
- RoHS Compliant: Complies with RoHS requirements, simplifying regulatory considerations for product assemblies.
Why Choose KU80386SLB1C-20?
The KU80386SLB1C-20 positions itself as a straightforward, commercial-grade 32-bit microprocessor solution from Intel for embedded designs that require a single-core Intel386 SL processor at 20 MHz. Its support for DRAM interfaces and optional Intel387 SX co-processor provides design flexibility for numeric and control-oriented tasks.
This part is suited for engineers and procurement teams maintaining or developing systems based on the Intel386 SL architecture who need a surface-mount, RoHS-compliant 196-pin package and a defined commercial operating temperature range.
Request a quote or submit an inquiry to receive pricing and availability for the KU80386SLB1C-20. Our team can assist with lead time and order details to support your design or production schedule.

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