Abstract
Flash memories entered the nonvolatile memory scenario only a few years ago, and now these kind of memories are battling to substitute either EEPROM or EPROM. In fact, their peculiarities are becoming quite interesting in present day applications. In system updating, low power consumption, embedded algorithm for program and erase, high density, low cost packages are some of the items which are making the Flash grow in the nonvolatile memory market share. Some words must be spent in explaining what the market is asking of Flash, which are the main applications for these memories, and how their architecture is arranged. The Flash memory cell behaviour will be described, then the fundamental operations (read, program and erase) are explained and some words are used to introduce the redundancy and device testability concept.
Published Version
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