ABSTRACT
Multiple-valued logic (MVL) is a hybrid of binary logic and analog signal processing: some of the noise advantages of a single binary signal are retained, and some of the advantages of a single analog signal' ability to provide greater informational content are used. The MVL nonvolatile memory provides greater memory density and decreased incremental memory cost. MVL nonvolatile memory provides greater memory density and decreased incremental memory cost. The physical mechanism typically used in programming the floating gate is channel hot electron injection or Fowler-Nordheim tunneling, and for erasure Fowler-Nordheim tunneling. Organizations of floating-gate transistors such that they can be electrically programmed one bit at a time and electrically erased a block, sector, or page simultaneously are called “Flash” memory. The sense amplifier serves as an analog-to-digital converter that translates the multiple-valued drain current into an equivalent set of binary logical output signals with voltages compatible with the rest of the computing system.
