KU80386SLB1C20
| Part Description |
Intel386 SL Microprocessor IC Intel386®SL 1 Core, 32-Bit 20MHz 196-PQFP (38.1x38.1) |
|---|---|
| Quantity | 1,099 Available (as of October 8, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | i386 |
| Manufacturer | Intel |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 0 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 | N/A | 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 Unknown | RoHS Compliance | Unknown | ||
| Speed | 20MHz | Supplier Device Package | 196-PQFP (38.1×38.1) | Voltage – I/O | 3V, 5V |
Overview of KU80386SLB1C20 – IC MPU INTEL386SL 20MHZ 196QFP
The KU80386SLB1C20 is an Intel386 SL microprocessor packaged in a 196-pin PQFP. It implements a single 32-bit core running at 20 MHz and is targeted for embedded microprocessor applications.
Designed for commercial-grade embedded designs, the device integrates support for DRAM controllers and optional math co-processor acceleration, while meeting RoHS compliance for environmental requirements.
Key Features
- Core and Architecture Intel386 SL single-core 32-bit processor providing deterministic 32-bit processing at 20 MHz.
- Clock Speed 20 MHz operating frequency suitable for legacy and resource-constrained embedded tasks.
- Co-Processor Support Math Engine support and compatibility with Intel387 SX co-processor for hardware-assisted floating-point/math operations.
- Memory Interface DRAM controller support for external memory integration.
- Package 196-BFQFP / 196-PQFP supplier device package (38.1x38.1) in a surface-mount form factor.
- Operating Range Commercial temperature grade with an operating temperature range of 0°C to 90°C.
- Compliance RoHS compliant to support environmental regulatory requirements.
- Graphics Acceleration No integrated graphics acceleration.
Typical Applications
- Embedded Controllers — Suitable for embedded microcontroller-style roles where a 32-bit CPU and DRAM interface are required.
- OEM Equipment — Use in commercial-grade OEM devices that require a surface-mount 196-pin PQFP package and RoHS compliance.
- Math-Intensive Modules — Paired with an Intel387 SX co-processor to accelerate floating-point and math operations in dedicated subsystems.
Unique Advantages
- Proven 32-bit Architecture: Single 32-bit core provides consistent, deterministic processing for embedded workloads.
- Co-Processor Compatibility: Supports Intel387 SX math engine to offload and accelerate floating-point tasks.
- DRAM Interface Ready: Integrated DRAM controller support simplifies memory subsystem design.
- Commercial Operating Range: 0°C to 90°C rating aligns with standard commercial application environments.
- High-Pin PQFP Package: 196-pin PQFP (38.1x38.1) surface-mount package enables integration into compact PCB layouts requiring multiple I/O signals.
- RoHS Compliant: Meets environmental compliance expectations for modern product designs.
Why Choose KU80386SLB1C20?
The KU80386SLB1C20 positions itself as a compact, commercial-grade embedded microprocessor solution featuring a 32-bit Intel386 SL core at 20 MHz. Its combination of DRAM controller support and compatibility with the Intel387 SX math co-processor makes it well suited for embedded systems that require deterministic 32-bit processing and optional hardware-assisted math capabilities.
This device is appropriate for designers and procurement teams developing or maintaining commercial embedded products that need a surface-mount 196-pin PQFP package, RoHS compliance, and a defined operating temperature range. It delivers a verifiable platform for embedded designs that prioritize compatibility and straightforward integration.
Request a quote or submit your requirements to receive pricing and availability for KU80386SLB1C20. Our team will respond with a tailored quote to support your design and procurement timeline.

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