17948520. DRIFT COMPENSATION FOR CODEWORDS IN MEMORY simplified abstract (Micron Technology, Inc.)
Contents
DRIFT COMPENSATION FOR CODEWORDS IN MEMORY
Organization Name
Inventor(s)
Marco Sforzin of Cernusco Sul Naviglio (IT)
Luca Barletta of Gallarate (IT)
Marco Pietro Ferrari of Milano (IT)
DRIFT COMPENSATION FOR CODEWORDS IN MEMORY - A simplified explanation of the abstract
This abstract first appeared for US patent application 17948520 titled 'DRIFT COMPENSATION FOR CODEWORDS IN MEMORY
Simplified Explanation
The present disclosure involves drift compensation for codewords in memory, using a memory device with an array of memory cells and circuitry to sense and analyze the stored codewords.
- Memory device with array of memory cells
- Circuitry to sense codewords and determine derivative values of cell metrics
- Analysis based on threshold voltage, mean threshold voltage values, and total quantity of cells
- Detection of changes in derivative values to determine cell metrics
- Use of Pearson detector to determine originally programmed data of the codeword
- Potential Applications:**
- Data storage devices - Error correction in memory systems - Improving reliability of memory operations
- Problems Solved:**
- Drift in threshold voltages affecting data retrieval - Ensuring accurate reading of stored data - Enhancing overall performance of memory devices
- Benefits:**
- Improved data integrity - Enhanced memory reliability - Increased efficiency in memory operations
Original Abstract Submitted
The present disclosure includes apparatuses, methods, and systems for drift compensation for codewords in memory. An embodiment includes a memory device having an array of memory cells, and circuitry to sense a codeword stored in the array, determine a derivative value of a cell metric for each cell of the codeword based on a threshold voltage of that respective cell, a mean of threshold voltage values of each cell of the codeword, and a value proportional to a total quantity of the cells of the codeword and a position of the threshold voltage value of that respective cell in the threshold voltage values of each cell of the codeword, determine the cell metric for which the determined derivative value changes from a first polarity to a second polarity, input the determined cell metric to a Pearson detector, and determine originally programmed data of the codeword using the Pearson detector.
