A nonvolatile memory device implements a program routine followed by a program-verify routine when recording or modifying stored data. The nonvolatile memory device may include an array of memory cells for storing data, a sense node, and a gating circuit for selectively connecting a bitline of the array...http://www.google.es/patents/US7729177?utm_source=gb-gplus-sharePatente US7729177 - Page buffer for nonvolatile memory device
