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US08174922B2 Anti-fuse memory cell and semiconductor memory device 有权
防熔丝存储单元和半导体存储器件

Anti-fuse memory cell and semiconductor memory device
Abstract:
An anti-fuse memory cell includes: a first transistor connected with a word line and configured to output a second voltage based on a first voltage supplied to the word line in a write mode; a second transistor connected with a bit line, and configured to output a third voltage supplied to the bit line when the second voltage is supplied to a gate of the second transistor in the write mode; and an anti-fuse element connected to a ground line, and having an insulator film. The insulator film is set to a conductive state with the third voltage supplied from the second transistor.
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