M28W640FCT STMICROELECTRONICS [STMicroelectronics], M28W640FCT Datasheet - Page 4

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M28W640FCT

Manufacturer Part Number
M28W640FCT
Description
64 Mbit (4Mb x16, Boot Block) 3V Supply Flash Memory
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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M28W640FCT, M28W640FCB
PACKAGE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
APPENDIX A.BLOCK ADDRESS TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
APPENDIX B.COMMON FLASH INTERFACE (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
APPENDIX C.FLOWCHARTS AND PSEUDO CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
APPENDIX D.COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE. . . . . . . . 52
REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4/55
Figure 11.Write AC Waveforms, Chip Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 18. Write AC Characteristics, Chip Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Figure 12.Power-Up and Reset AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 19. Power-Up and Reset AC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 13.TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Outline . . . . . . . . . 30
Table 20. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Mechanical Data . 30
Figure 14.TFBGA48 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Bottom View Package Outline 31
Table 21. TFBGA48 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Package Mechanical Data . . . 31
Figure 15.TFBGA48 Daisy Chain - Package Connections (Top view through package) . . . . . . . . 32
Figure 16.TFBGA48 Daisy Chain - PCB Connections proposal (Top view through package) . . . . 32
Table 22. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 23. Daisy Chain Ordering Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 24. Top Boot Block Addresses, M28W640FCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 25. Bottom Boot Block Addresses, M28W640FCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 26. Query Structure Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 27. CFI Query Identification String. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 28. CFI Query System Interface Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 29. Device Geometry Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 30. Primary Algorithm-Specific Extended Query Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Table 31. Security Code Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 17.Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 18.Double Word Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 19.Quadruple Word Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 20.Program Suspend & Resume Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . 47
Figure 21.Erase Flowchart and Pseudo Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 22.Erase Suspend & Resume Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 23.Locking Operations Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 24.Protection Register Program Flowchart and Pseudo Code. . . . . . . . . . . . . . . . . . . . . . . 51
Table 32. Write State Machine Current/Next, sheet 1 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table 33. Write State Machine Current/Next, sheet 2 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Table 34. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

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