Microchip Technology has been granted a patent for a circuit that verifies a weight programmed into a non-volatile memory cell in a neural memory. The circuit includes a digital-to-analog converter, a current-to-voltage converter, and a comparator. GlobalData’s report on Microchip Technology gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Microchip Technology, Adaptive video coding was a key innovation area identified from patents. Microchip Technology's grant share as of April 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.

Weight verification circuit for neural memory cells

Source: United States Patent and Trademark Office (USPTO). Credit: Microchip Technology Inc

A recently granted patent (Publication Number: US11972795B2) discloses a circuit and method for verifying non-volatile memory cells. The circuit includes a digital-to-analog converter to convert a target weight represented by digital bits into a target voltage, a current-to-voltage converter to convert the output current from a selected non-volatile memory cell during a verify operation into an output voltage, and a comparator to compare the output voltage to the target voltage during the verification process.

The method outlined in the patent involves converting the digital bits representing the target weight into a target voltage, converting the output current from the selected non-volatile memory cell into an output voltage during verification, and comparing these voltages to ensure accuracy. The process utilizes a digital-to-analog converter for the conversion of the target weight and a current-to-voltage converter for the conversion of the output current from the memory cell. This innovative approach aims to enhance the efficiency and reliability of verifying non-volatile memory cells, potentially leading to advancements in memory technology.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.