A nonvolatile memory device and programming method and apparatus therefore are described that include operatively coupled first and second sense amplifiers having first and second data registers or latches, a storage circuit for storing a data of the second amplifier, a pass/fail check circuit for checking...http://www.google.com.au/patents/US7227785?utm_source=gb-gplus-sharePatent US7227785 - Memory devices with page buffer having dual registers and method of using the same
