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SEMICONDUCTOR DEVICE WITH ONE-TIME PROGRAMMABLE MEMORY CELL INCLUDING ANTI-FUSE WITH MAETAL/POLYCIDE GATE
SEMICONDUCTOR DEVICE WITH ONE-TIME PROGRAMMABLE MEMORY CELL INCLUDING ANTI-FUSE WITH MAETAL/POLYCIDE GATE
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机译:具有一次性可编程记忆体电池的半导体器件,其中包括与金属/聚丙烯酸酯门的反熔丝
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摘要
A one-time programmable (OTP) memory cell includes two transistors including a dual gate transistor. The dual gate transistor is formed using the same processing operations used to form floating gate transistors in other areas of the semiconductor device. The dual gate transistor includes an upper gate isolated from a floating gate by a floating gate oxide, the combination of which produces an anti-fuse. The nonvolatile memory device may include a plurality of such OTP memory cells and one or more OTP memory cells are selected and programmed by applying a voltage sufficient to blow the anti-fuse by causing the floating gate oxide layer to break down and the upper gate to become shorted to the floating gate.
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