: Typically available in a QFP-128 (Quad Flat Package) .
Based on current search results, the most functional direct link is from BonChip.cn.
Technicians can pull comprehensive archive data sheets, mechanical packaging diagrams, and reference pin parameters through the Datasheet Archive WPCE773LA0DG Portal .
As of the 2021 datasheet revision, the WPCE773LA0DG is classified as “Active - but not recommended for new designs (NRND).” Check Nuvoton’s website for current lifecycle status.
The Winbond WPCE773LA0DG is a specialized integrated circuit found within countless laptop motherboards, serving as a vital interface between the system's processor and its peripheral devices. Known as an , Keyboard and System Controller (KBC), or Super I/O (SIO) chip, this component is crucial for the basic functionality of a computer. For electronics engineers, motherboard repair specialists, and advanced hobbyists, having access to its official datasheet is essential for diagnosis, repair, and system design.
Integrated Circuits (ICs) / Processors & Microcontrollers . Package Type: QFP-128 (Quad Flat Package with 128 pins). Operating Temperature: Extended range of Compliance: Lead-free and RoHS compliant. Datasheet and Resource Access
The WPCE773LA0DG operates as the "brain" of the motherboard's power management subsystem. Its primary functions include:
Many free datasheet aggregators only crawl once and never update. They often host obsolete 2015 or 2017 revisions. Always verify the revision date on the first page of the PDF.
Laptop schematic files (e.g., Compal, Quanta, or Wistron blueprints) frequently include the full pinout diagram for this specific IC.
In the 2021 market, the WPCE773LA0DG was noted for having and a moderate "fake threat" level of approximately 34% in the open market.
Examples of how the IC connects to the motherboard chipset and keyboard connector. Troubleshooting and Replacing the WPCE773LA0DG
Winbond (now Nuvoton) typically does not release the full datasheet for the WPCE773 series to the public. These ICs are often custom-programmed or semi-custom for major laptop manufacturers (OEMs). Consequently, the detailed datasheet is considered proprietary to the OEM (e.g., a "Dell-exclusive" variant of the chip might exist).
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Winbond WPCE773LA0DG is a specialized integrated circuit, often identified as an Embedded Controller (EC)
