Adaptive algorithm for electrical fuse programming

A method for programming electrical fuses initially determines the desired programming state (301). The method supplies a programmation pulse to each electrical fuse where the desired data has a first digital state (303). The method reads the state of the fuses (304). The desired data is updated to...

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Bibliographic Details
Main Author PITTS, ROBERT L
Format Patent
LanguageEnglish
French
German
Published 11.03.2009
Subjects
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INFORMATION STORAGE
PHYSICS
PULSE TECHNIQUE
SEMICONDUCTOR DEVICES
STATIC STORES
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Summary:A method for programming electrical fuses initially determines the desired programming state (301). The method supplies a programmation pulse to each electrical fuse where the desired data has a first digital state (303). The method reads the state of the fuses (304). The desired data is updated to reflect those fuses not changed in the prior programmation (306). The method repeats the steps of selective programming (303), reading (304) and reforming the data (306), until all the fuses are in the desired state (305). This method prevents over programming caused by supplying to many programmation pulses to a fuse and under programming caused by failure of a programmation pulse to change the state of the fuse.
Bibliography:Application Number: EP20030104325