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AM29LV2562ML120RPII датащи(PDF) 5 Page - SPANSION |
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AM29LV2562ML120RPII датащи(HTML) 5 Page - SPANSION |
5 / 69 page October 9, 2003 Am29LV2562M 3 P R E L I M I NARY TABLE OF CONTENTS Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4 MCP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 4 Special Package Handling Instructions .................................... 6 Logic Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 x16 Mode .................................................................................. 7 x32 Mode .................................................................................. 7 Table 1. Device Bus Operations ....................................................... 9 VersatileIO TM (V IO) Control ........................................................ 9 Requirements for Reading Array Data ................................... 10 Page Mode Read ............................................................................10 Writing Commands/Command Sequences ............................ 10 Write Buffer .....................................................................................10 Accelerated Program Operation ......................................................10 Autoselect Functions .......................................................................10 Automatic Sleep Mode ........................................................... 11 RESET#: Hardware Reset Pin ............................................... 11 Output Disable Mode .............................................................. 11 Table 2. Sector Address Table........................................................ 12 Table 3. Autoselect Codes, (High Voltage Method) ....................... 23 Sector Group Protection and Unprotection ............................. 24 Table 4. Sector Group Protection/Unprotection Address Table ..... 24 Temporary Sector Group Unprotect ....................................... 26 Figure 1. Temporary Sector Group Unprotect Operation ................26 Figure 2. In-System Sector Group Protect/Unprotect Algorithms ...27 SecSi (Secured Silicon) Sector Flash Memory Region .......... 28 Table 5. SecSi Sector Contents ...................................................... 28 Figure 3. SecSi Sector Protect Verify ..............................................29 Hardware Data Protection ...................................................... 29 Low VCC Write Inhibit .....................................................................29 Write Pulse “Glitch” Protection ........................................................29 Logical Inhibit ..................................................................................29 Power-Up Write Inhibit ....................................................................29 Common Flash Memory Interface (CFI) . . . . . . . 29 Reading Array Data ................................................................ 33 Reset Command ..................................................................... 33 Autoselect Command Sequence ............................................ 33 Enter SecSi Sector/Exit SecSi Sector Command Sequence .. 34 Doubleword/Word Program Command Sequence ................. 34 Unlock Bypass Command Sequence ..............................................34 Write Buffer Programming ...............................................................34 Accelerated Program ......................................................................35 Figure 4. Write Buffer Programming Operation ...............................36 Figure 5. Program Operation ..........................................................37 Program Suspend/Program Resume Command Sequence ... 37 Figure 6. Program Suspend/Program Resume ...............................38 Chip Erase Command Sequence ........................................... 38 Sector Erase Command Sequence ........................................ 38 Figure 7. Erase Operation .............................................................. 39 Erase Suspend/Erase Resume Commands ........................... 39 DQ7 and DQ5: Data# Polling .................................................. 43 Figure 7. Data# Polling Algorithm .................................................. 43 DQ6 and DQ14: Toggle Bits I ................................................. 44 Figure 8. Toggle Bit Algorithm ........................................................ 45 DQ2 and DQ10: Toggle Bits II ................................................ 45 Reading Toggle Bits DQ6 and DQ14/DQ2 and DQ10 ............ 45 DQ5 and DQ13: Exceeded Timing Limits ............................... 46 DQ3 and DQ11: Sector Erase Timer ...................................... 46 DQ1: Write-to-Buffer Abort ..................................................... 47 Table 12. Write Operation Status................................................... 47 Figure 9. Maximum Negative Overshoot Waveform ..................... 48 Figure 10. Maximum Positive Overshoot Waveform ..................... 48 Figure 11. Test Setup ..................................................................... 50 Table 13. Test Specifications ......................................................... 50 Key to Switching Waveforms. . . . . . . . . . . . . . . . 50 Figure 12. Input Waveforms and Measurement Levels ...................................................................... 50 Read-Only Operations ........................................................... 51 Figure 13. Read Operation Timings ............................................... 51 Figure 14. Page Read Timings ...................................................... 52 Hardware Reset (RESET#) .................................................... 53 Figure 15. Reset Timings ............................................................... 53 Erase and Program Operations .............................................. 54 Figure 16. Program Operation Timings .......................................... 55 Figure 17. Accelerated Program Timing Diagram .......................... 55 Figure 18. Chip/Sector Erase Operation Timings .......................... 56 Figure 19. Data# Polling Timings (During Embedded Algorithms) . 57 Figure 20. Toggle Bit Timings (During Embedded Algorithms) ...... 58 Figure 21. DQ2 vs. DQ6 ................................................................. 58 Temporary Sector Unprotect .................................................. 59 Figure 22. Temporary Sector Group Unprotect Timing Diagram ... 59 Figure 23. Sector Group Protect and Unprotect Timing Diagram .. 60 Alternate CE# Controlled Erase and Program Operations ..... 61 Figure 24. Alternate CE# Controlled Write (Erase/Program) Operation Timings .......................................................................... 62 Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 62 Erase And Programming Performance. . . . . . . . 63 TSOP Pin and BGA Package Capacitance . . . . . 63 Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 LSC080–80-Ball Fortified Ball Grid Array 18 x 12 mm Package .............................................................. 64 |
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