A non-volatile semiconductor memory includes: multiple write pipelines, each including a memory array; a timing circuit which sequentially starts programming operations in the pipelines; and a shared charge pump and voltage regulation circuit that drives a current through the memory cells being programmed....http://www.google.fr/patents/US6134145?utm_source=gb-gplus-shareBrevet US6134145 - High data rate write process for non-volatile flash memories
High data rate write process for non-volatile flash memories