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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT25DF021 датащи(PDF) 40 Page - ATMEL Corporation |
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AT25DF021 датащи(HTML) 40 Page - ATMEL Corporation |
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40 / 41 page  40 3677D–DFLASH–04/09 AT25DF021 18. Revision History Revision Level – Release Date History A – February 2008 Initial release B – May 2008 Changed Deep Power-Down current specifications – Changed typical value from 4 µA to 8 µA – Changed maximum value from 8 µA to 15 µA Changed typical 64 KB Block Erase time from 400 ms to 450 ms Changed typical Chip Erase time from 1.5s to 2.0s Changed tVCSL time from 1.0 ms minimum to 1.2 ms minimum Changed VPOR maximum from 2.5V to 2.2V C – September 2008 Removed “Preliminary” designation from datasheet Changed maximum clock frequency from 70 MHz to 66 MHz Changed maximum Standby Current value from 35 µA to 50 µA Changed Deep Power-Down Current specifications – Changed typical value from 8 µA to 15 µA – Changed maximum value from 15 µA to 25 µA D – April 2009 Added System Considerations Section |
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