RB80526PZ866256
| Part Description |
Intel® Pentium® III Processor Microprocessor IC Intel® Pentium® III 1 Core, 32-Bit 866MHz 370-PPGA (49x49) |
|---|---|
| Quantity | 278 Available (as of October 7, 2026) |
| Product Category | Microprocessors |
|---|---|
| Part Series | Pentium III |
| Manufacturer | Intel |
| Manufacturing Status | Active |
| Manufacturer Standard Lead Time | 1 Weeks |
| Datasheet |
Specifications & Environmental
| Core Processor | Intel® Pentium® III Processor | Device Package | 370-PPGA (49x49) | ECCN | 3A991A2 | ||
|---|---|---|---|---|---|---|---|
| Grade | Commercial | Graphics Acceleration | No | HTS Code | 0000.00.0000 | ||
| Moisture Sensitivity Level | 3 (168 Hours) | Mounting Method | Through Hole | Mounting Type | Through Hole | ||
| Number of Cores/Bus Width | 1 Core, 32-Bit | Operating Temperature | 80°C (TC) | Package / Case | 370-PGA | ||
| REACH Compliance | REACH not applicable | RoHS Compliance | ROHS3 Compliant | Speed | 866MHz | ||
| Supplier Device Package | 370-PPGA (49×49) | Voltage – I/O | 1.75V |
Overview of RB80526PZ866256 – IC MPU INTEL 866MHZ 370PPGA
The RB80526PZ866256 is an Intel® Pentium® III microprocessor IC featuring a single 32-bit core running at 866 MHz. It includes MMX as a co-processor and is supplied in a 370-PPGA (49×49) package with through-hole mounting.
Targeted at embedded and commercial applications, this processor combines a defined clock speed, a 1.75 V I/O level, and a commercial operating temperature range (0 °C to 80 °C) for designs that require this specific performance and packaging profile. It is RoHS compliant for environmental conformity.
Key Features
- Core & Architecture Single 32-bit Intel® Pentium® III processor core suitable for single-threaded embedded tasks.
- Clock Speed 866 MHz operating frequency providing a fixed, specified processing rate for timing-sensitive applications.
- MMX Co-Processor Includes MMX extensions for multimedia-oriented integer operations.
- Power / I/O Voltage 1.75 V I/O voltage level for interfacing with compatible system logic.
- Package & Mounting 370-PGA supplier device package (370-PPGA, 49×49) with through-hole mounting for robust mechanical retention.
- Operating Temperature Commercial temperature rating from 0 °C to 80 °C for standard commercial environments.
- Environmental Compliance RoHS compliant, meeting common lead-free requirements.
Typical Applications
- Embedded Systems Used as the main processing element in embedded designs that require a single 32-bit core running at 866 MHz.
- Commercial Computing Platforms Suitable for commercial equipment where the specified clock speed, package, and temperature range match system requirements.
- Legacy Hardware Maintenance Applicable for repair or refurbishment of systems designed around Intel Pentium III specifications and 370-PPGA packaging.
- Prototyping and Evaluation Employed in evaluation setups that need a through-hole 370-PGA package and defined I/O voltage for testing and development.
Unique Advantages
- Defined 866 MHz Performance: Provides a clear, specified clock rate for predictable processing behavior in time-sensitive designs.
- Single-Core 32-Bit Architecture: Delivers deterministic single-thread processing suitable for control-oriented embedded tasks.
- MMX Multimedia Extensions: Includes MMX co-processor support to accelerate integer-based multimedia operations where applicable.
- Through-Hole 370-PPGA Package: 370-PGA (49×49) through-hole mounting offers a mechanically robust assembly option for socketed or board-mounted designs.
- Commercial Temperature Range: 0 °C to 80 °C rating aligns with commercial deployment environments.
- RoHS Compliant: Meets lead-free environmental compliance expectations for many manufacturing processes.
Why Choose RB80526PZ866256?
RB80526PZ866256 positions itself as a straightforward implementation of the Intel® Pentium® III processor family with a known 866 MHz clock, MMX co-processor capability, and a 370-PPGA through-hole package. Its combination of defined electrical and thermal parameters makes it appropriate for embedded and commercial designs that require these exact specifications.
Designers and procurement teams needing a Pentium III–class single-core solution with 1.75 V I/O, commercial temperature range, and RoHS compliance will find this part aligned to those requirements, enabling clear integration decisions for maintenance, prototyping, or deployment in matching systems.
Request a quote or submit an inquiry to receive pricing, availability, and lead-time information for RB80526PZ866256.

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