I got as far as th eapp notes on the Micron site OK. The exact data sheet did not seem to be there but there are very similar. Attempted download asked for an account. Created account buty it said it would take about 30 minutes to activate. Hours ago but haven't yet gone back. =A0 =A0 =A0R On 21 November 2011 22:57, wrote: > > Oh, I forgot to mention, it seems that all NAND flash devices have an ess= entially similar pinout. Micron and others have some pretty good applicatio= n notes on the architecture of these devices and how to use them, including= dealing with ECC issues and wear levelling. > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .