A non-volatile memory (NVM) circuit includes at least two types of NVM sub-circuits that share common support circuitry. Different types of NVM sub-circuits include ordinary NVM circuits that provide a logic output upon being addressed, programmable fuses that provide an output upon transitioning to...http://www.google.com.hk/patents/US7283390?utm_source=gb-gplus-share專利 US7283390 - Hybrid non-volatile memory
