Nonvolatile semiconductor memory

Static information storage and retrieval – Floating gate – Particular biasing

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36518524, 36518525, G11C 1134

Patent

active

056616864

ABSTRACT:
About 10 drive pulses, each having a predetermined positive potential of +3 V and a predetermined negative potential of -10 V, are applied to the control gate of a memory cell transistor. This drive pulse is generated in a semiconductor device on the basis of an original signal supplied from an external signal generator. By arranging the signal generator outside the semiconductor device, an increase in the necessary area of a semiconductor pellet is prevented.

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