M28W320CT90N6 STMicroelectronics, M28W320CT90N6 Datasheet - Page 4

• Manufacturer Part Number: M28W320CT90N6
• Description: IC FLASH 32MBIT 90NS 48TSOP
• Manufacturer: STMicroelectronics

Specifications of M28W320CT90N6

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 32M (2M x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1695

M28W320CT, M28W320CB
PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
REVISION HISTORY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
APPENDIX A. BLOCK ADDRESS TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
APPENDIX B. COMMON FLASH INTERFACE (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
APPENDIX C. FLOWCHARTS AND PSEUDO CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
APPENDIX D. COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE . . . . . . . 51
4/53
Figure 14. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Outline . . . . . . . . 30
Table 19. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Mechanical Data . 30
Figure 15. µBGA47 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Bottom View Package Outline . 31
Table 20. µBGA47 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Package Mechanical Data . . . . 31
Figure 16. µBGA47 Daisy Chain - Package Connections (Top view through package) . . . . . . . . . 32
Figure 17. µBGA47 Daisy Chain - PCB Connections proposal (Top view through package) . . . . . 32
Figure 18. TFBGA47 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Bottom View Package Outline33
Table 21. TFBGA47 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Package Mechanical Data . . . 33
Figure 19. TFBGA47 Daisy Chain - Package Connections (Top view through package) . . . . . . . . 34
Figure 20. TFBGA47 Daisy Chain - PCB Connections proposal (Top view through package) . . . . 34
Table 22. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 23. Daisy Chain Ordering Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 24. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 25. Top Boot Block Addresses, M28W320CT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 26. Bottom Boot Block Addresses, M28W320CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Table 27. Query Structure Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 28. CFI Query Identification String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Table 29. CFI Query System Interface Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Table 30. Device Geometry Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table 31. Primary Algorithm-Specific Extended Query Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Table 32. Security Code Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 21. Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 22. Double Word Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 23. Program Suspend & Resume Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . 46
Figure 24. Erase Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 25. Erase Suspend & Resume Flowchart and Pseudo Code. . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 26. Locking Operations Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 33. Write State Machine Current/Next, sheet 1 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Table 34. Write State Machine Current/Next, sheet 2 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52