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We propose the use of carbon-nanotube based vacuum microelectronics for a nonvolatile memory core. A design that can be implemented with state-of-the art nanotube fabrication techniques is presented and nonvolatile memory operation, up to 0.25 GHz, is shown to be feasible through circuit simulations. When integrated with flip-chip technology, this type of memory offers a possible solution to the problem of flash memory scaling coupled with the advantages of high density integrated circuitry and a faster speed of operation.