Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jer-Hao Hsu0
Date of Patent
January 6, 2009
0Patent Application Number
115640770
Date Filed
November 28, 2006
0Patent Primary Examiner
Patent abstract
A program circuit and method for a flash memory is provided. This invention utilizes a constant current to program the flash memory and modulate the threshold voltage of the flash memory. While a program circuit programming the flash memory, the present invention determines whether the threshold voltage reaches the anticipated value according to the variation of the drain voltage of the flash memory. Hence, the present invention can accurately modulate the threshold voltage of the programmed flash memory and shorten the programming time.
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