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| (Source: One Semicon) |
SK Hynix has jointly filed and registered a Korean patent with One Semicon, a Suwon-based fabless startup specializing in high-speed memory interface design. This marks the first known patent collaboration between the two companies.
The patent, titled "Semiconductor Device for Setting Option of I/O Interface Circuit" (KR2811266), was filed in December 2020 and registered in May 2025, according to records from the Korean Intellectual Property Office.
The invention relates to semiconductor I/O (input-output) interface circuit configuration technology. It includes multiple I/O pads, each corresponding to an interface circuit, and option-setting circuits that configure the operational modes of those interface circuits. These option-setting circuits are connected through serial input and output pads, forming a serial chain that enables sequential control of configuration options.
Traditionally, each I/O circuit in a semiconductor chip required individual control pins or parallel registers for configuration—an approach that increased pad count and circuit area. The newly patented design introduces a serial chain structure, allowing configuration data for multiple interface circuits to be transmitted and set sequentially through only a few input/output lines.
By simplifying configuration signal delivery and reducing the number of required pads, the technology provides a more compact and efficient chip architecture, particularly useful for high-speed memory and interface applications.
By PatenTrip
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