512Mb: x8/x16, 3V, MT28EW Embedded Parallel NOR
Features
Software Protection .................................................................................................................................... 42
Volatile Protection Mode ............................................................................................................................. 43
Nonvolatile Protection Mode ...................................................................................................................... 43
Password Protection Mode .......................................................................................................................... 43
Block Protection Command Definitions – Address-Data Cycles ........................................................................ 46
Protection Operations .................................................................................................................................... 49
LOCK REGISTER Commands ...................................................................................................................... 49
PASSWORD PROTECTION Commands ....................................................................................................... 49
NONVOLATILE PROTECTION Commands .................................................................................................. 49
NONVOLATILE PROTECTION BIT LOCK BIT Commands ............................................................................ 50
VOLATILE PROTECTION Commands .......................................................................................................... 51
EXTENDED MEMORY BLOCK Commands .................................................................................................. 51
EXIT PROTECTION Command .................................................................................................................... 52
Common Flash Interface ................................................................................................................................ 53
Power-Up and Reset Characteristics ................................................................................................................ 57
Absolute Ratings and Operating Conditions ..................................................................................................... 59
DC Characteristics .......................................................................................................................................... 61
Read AC Characteristics .................................................................................................................................. 63
Write AC Characteristics ................................................................................................................................. 67
Data Polling/Toggle AC Characteristics ............................................................................................................ 74
Program/Erase Characteristics ........................................................................................................................ 76
Package Dimensions ....................................................................................................................................... 78
Revision History ............................................................................................................................................. 81
Rev. I –05/18 ............................................................................................................................................... 81
Rev. H – 11/16 ............................................................................................................................................. 81
Rev. G – 4/16 .............................................................................................................................................. 81
Rev. F – 4/15 ............................................................................................................................................... 81
Rev. E – 1/15 ............................................................................................................................................... 81
Rev. D – 11/14 ............................................................................................................................................. 81
Rev. C – 9/14 ............................................................................................................................................... 81
Rev. B – 3/14 ............................................................................................................................................... 81
Rev. A – 9/13 ............................................................................................................................................... 81
PDF: 09005aef855e354a
mt28ew_generation-b_512mb.pdf - Rev. I 05/18 EN
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