256Mb, 512Mb, 1Gb, 2Gb: 3V Embedded Parallel NOR Flash
Features
List of Tables
Table 1: Part Number Information ................................................................................................................... 2
Table 2: Standard Part Numbers by Density, Medium, and Package ................................................................... 2
Table 3: Part Numbers with Security Features by Density, Medium, and Package ................................................ 3
Table 4: Signal Descriptions ........................................................................................................................... 12
Table 5: Blocks[2047:0] .................................................................................................................................. 13
Table 6: Bus Operations ................................................................................................................................. 14
Table 7: Status Register Bit Definitions ........................................................................................................... 16
Table 8: Operations and Corresponding Bit Settings ........................................................................................ 17
Table 9: Lock Register Bit Definitions ............................................................................................................. 21
Table 10: Block Protection Status ................................................................................................................... 21
Table 11: Standard Command Definitions – Address-Data Cycles, 8-Bit and 16-Bit ........................................... 24
Table 12: Read Electronic Signature ............................................................................................................... 27
Table 13: Block Protection ............................................................................................................................. 27
Table 14: Block Protection Command Definitions – Address-Data Cycles, 8-Bit and 16-Bit ................................ 37
Table 15: Extended Memory Block Address and Data ...................................................................................... 43
Table 16: VPP/WP# Functions ......................................................................................................................... 45
Table 17: Query Structure Overview ............................................................................................................... 49
Table 18: CFI Query Identification String ........................................................................................................ 49
Table 19: CFI Query System Interface Information .......................................................................................... 50
Table 20: Device Geometry Definition ............................................................................................................ 50
Table 21: Primary Algorithm-Specific Extended Query Table ........................................................................... 51
Table 22: Power-Up Specifications ................................................................................................................. 53
Table 23: Reset AC Specifications ................................................................................................................... 54
Table 24: Absolute Maximum/Minimum Ratings ............................................................................................ 55
Table 25: Operating Conditions ...................................................................................................................... 55
Table 26: Input/Output Capacitance .............................................................................................................. 56
Table 27: DC Current Characteristics .............................................................................................................. 57
Table 28: DC Voltage Characteristics .............................................................................................................. 58
Table 29: Read AC Characteristics .................................................................................................................. 59
Table 30: WE#-Controlled Write AC Characteristics ......................................................................................... 62
Table 31: CE#-Controlled Write AC Characteristics ......................................................................................... 65
Table 32: Accelerated Program and Data Polling/Data Toggle AC Characteristics .............................................. 69
Table 33: Program/Erase Characteristics ........................................................................................................ 71
Table 34: Technical Notes .............................................................................................................................. 74
PDF: 09005aef849b4b09
m29ew_256mb_2gb.pdf - Rev. B 8/12 EN
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