Invention Grant
- Patent Title: Plane level dedicated starting program voltage to reduce program time for multi-plane concurrent program operation
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Application No.: US17895625Application Date: 2022-08-25
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Publication No.: US12190969B2Publication Date: 2025-01-07
- Inventor: Ke Zhang , Liang Li
- Applicant: SanDisk Technologies LLC
- Applicant Address: US TX Addison
- Assignee: SanDisk Technologies LLC
- Current Assignee: SanDisk Technologies LLC
- Current Assignee Address: US TX Addison
- Agency: Dickinson Wright PLLC
- Agent Charles W. Kocher, II
- Main IPC: G11C16/06
- IPC: G11C16/06 ; G11C16/10 ; G11C16/34

Abstract:
A memory apparatus and operating method are provided. The apparatus includes memory cells connected to word lines and disposed in memory holes and configured to retain a threshold voltage. The memory holes are organized in rows grouped in strings and the strings comprise a plurality of blocks which comprise planes. A control means is configured to program the memory cells connected to one of the word lines and associated with one of the strings in each of the plurality of planes and acquire a smart verify programming voltage individually for each of the planes in a smart verify operation. The control means concurrently programs at least some of the memory cells connected to each of the word lines in each of the planes in a program operation using the smart verify programming voltage individually acquired for each of the planes in the smart verify operation.
Public/Granted literature
Information query