Invention Grant
US08023345B2 Iteratively writing contents to memory locations using a statistical model
有权
使用统计模型迭代地将内容写入内存位置
- Patent Title: Iteratively writing contents to memory locations using a statistical model
- Patent Title (中): 使用统计模型迭代地将内容写入内存位置
-
Application No.: US12391693Application Date: 2009-02-24
-
Publication No.: US08023345B2Publication Date: 2011-09-20
- Inventor: Matthew J. Breitwisch , Roger W. Cheek , Stefanie R. Chiras , Ibrahim M. Elfadel , Michele M. Franceschini , John P. Karidis , Luis A. Lastras-Montano , Thomas Mittelholzer , Mayank Sharma
- Applicant: Matthew J. Breitwisch , Roger W. Cheek , Stefanie R. Chiras , Ibrahim M. Elfadel , Michele M. Franceschini , John P. Karidis , Luis A. Lastras-Montano , Thomas Mittelholzer , Mayank Sharma
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Cantor Colburn LLP
- Agent Brian Verminski
- Main IPC: G11C29/00
- IPC: G11C29/00 ; G11C7/00

Abstract:
Systems, methods, and devices for iteratively writing contents to memory locations are provided. A statistical model is used to determine a sequence of pulses to write desired contents to a memory location. The contents can be expressed as a resistance value in a range to store one or more bits in a memory cell. For phase change memory, an adaptive reset pulse and one or more annealing pulses are selected based on a desired resistance range. Reading the resistance value of the memory cell can provide feedback to determine adjustments in an overall pulse application strategy. The statistical model and a look up table can be used to select and modify pulses. Adaptively updating the statistical model and look up table may reduce the number of looping iterations to shift the resistance value of the memory cell into the desired resistance range.
Public/Granted literature
- US20100214829A1 MEMORY PROGRAMMING Public/Granted day:2010-08-26
Information query