Samsung patents memory design that isolates unused data paths during reads
Samsung has filed a patent for a storage device that improves how nonvolatile memory handles data requests. The system uses a controller to activate only the specific memory strings needed for a read command while electrically disconnecting the others from the shared power lines.
In the filing’s own words
A storage device includes a storage controller configured to output a command instructing reading of data, and a nonvolatile memory device including a plurality of NAND strings corresponding to a plurality of bit lines and a plurality of string selection lines, and configured to select a plurality of first bit lines among the plurality of bit lines based on the command, electrically connect a plurality of first NAND strings corresponding to the plurality of first bit lines among the plurality of NAND strings to the plurality of first bit lines and a common source line, and electrically disconnect a plurality of second NAND strings corresponding to a plurality of second bit lines among the plurality of NAND strings from the plurality of second bit lines and the common source line.
What exactly they claim (claim 1)
1. A storage device, comprising: a storage controller configured to output a command instructing reading of data, and a nonvolatile memory device including a plurality of NAND strings corresponding to a plurality of bit lines and a plurality of string selection lines, and configured to: select a plurality of first bit lines among the plurality of bit lines based on the command, electrically connect a plurality of first NAND strings corresponding to the plurality of first bit lines among the plurality of NAND strings to the plurality of first bit lines and a common source line, and electrically disconnect a plurality of second NAND strings corresponding to a plurality of second bit lines among the plurality of NAND strings from the plurality of second bit lines and the common source line.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- STORAGE DEVICE AND NONVOLATILE MEMORY DEVICE INCLUDING PLURALITY OF NAND STRINGS
- Publication number
- US20260331176A1
- Application number
- 19641818
- Filed
- Apr 8, 2026
- Published
- Oct 22, 2026
- Inventors
- 5
- Claims
- 20
Classified under
G11C 16/0483 Physics & computingG11C 16/08 Physics & computingG11C 16/10 Physics & computingG11C 16/24 Physics & computingG11C 16/26 Physics & computingMore from Samsung in Chips & hardware
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.