Squire, Sanders & Dempsey, L.L.P.
Method for decreasing program disturb in memory cells
The present invention provides a method for decreasing program disturb in memory cells, comprising: finding an initial programming condition that ensures programming memory cell normally; selecting two parameters from the initial programming condition as variables for a program disturb test; performing the program disturb test to the memory cell for at least two combined values of the variables; obtaining a programming condition with minimum program disturb based on the result of the program disturb test; and applying the programming condition with minimum program disturb as the programming condition for memory cell. The method according to the present invention can minimize the program disturb in memory cells and can be performed easily.
Semiconductor Manufacturing International (Shanghai) Corporation
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Kenneth Jianchang Can Leong Seng
Miu Liu Zhong Tan