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M28W640ECT Datasheet(PDF) 4 Page - STMicroelectronics

Part # M28W640ECT
Description  64 Mbit 4Mb x16, Boot Block 3V Supply Flash Memory
Download  55 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M28W640ECT Datasheet(HTML) 4 Page - STMicroelectronics

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PACKAGE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
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 Outline31
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
PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 22. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 23. Daisy Chain Ordering Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
APPENDIX A. BLOCK ADDRESS TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 24. Top Boot Block Addresses, M28W640ECT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 25. Bottom Boot Block Addresses, M28W640ECB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
APPENDIX B. COMMON FLASH INTERFACE (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
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
APPENDIX C. FLOWCHARTS AND PSEUDO CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
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
APPENDIX D. COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE . . . . . . . 52
Table 32. Write State Machine Current/Next, sheet 1 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table 33. Write State Machine Current/Next, sheet 2 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Table 34. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54


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