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AM29LV641MH40FI Datasheet(PDF) 6 Page - Advanced Micro Devices |
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AM29LV641MH40FI Datasheet(HTML) 6 Page - Advanced Micro Devices |
6 / 60 page 4 Am29LV641MH/L December 21, 2005 DA TA SH EET TABLE OF CONTENTS Continuity of Specifications ....................................................... i For More Information ................................................................. i Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 6 Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8 Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 9 Table 1. Device Bus Operations .......................................................9 VersatileIO ™ (V IO) Control ....................................................... 9 Requirements for Reading Array Data ..................................... 9 Page Mode Read .................................................................... 10 Writing Commands/Command Sequences ............................ 10 Write Buffer ............................................................................. 10 Accelerated Program Operation ............................................. 10 Autoselect Functions .............................................................. 10 Standby Mode ........................................................................ 10 Automatic Sleep Mode ........................................................... 10 RESET#: Hardware Reset Pin ............................................... 11 Output Disable Mode .............................................................. 11 Table 2. Sector Address Table ........................................................12 Autoselect Mode..................................................................... 14 Table 3. Autoselect Codes, (High Voltage Method) .......................14 Sector Group Protection and Unprotection ............................. 15 Table 4. Sector Group Protection/Unprotection Address Table .....15 Write Protect (WP#) ................................................................ 16 Temporary Sector Group Unprotect ....................................... 16 Figure 1. Temporary Sector Group Unprotect Operation................ 16 Figure 2. In-System Sector Group Protect/Unprotect Algorithms ... 17 SecSi (Secured Silicon) Sector Flash Memory Region .......... 18 Table 5. SecSi Sector Contents ......................................................18 Figure 3. SecSi Sector Protect Verify.............................................. 19 Hardware Data Protection ...................................................... 19 Low VCC Write Inhibit ............................................................ 19 Write Pulse “Glitch” Protection ............................................... 19 Logical Inhibit .......................................................................... 19 Power-Up Write Inhibit ............................................................ 19 Common Flash Memory Interface (CFI) . . . . . . . 19 Table 6. CFI Query Identification String .............................. 20 Table 7. System Interface String......................................................20 Table 8. Device Geometry Definition................................... 21 Table 9. Primary Vendor-Specific Extended Query............. 22 Command Definitions . . . . . . . . . . . . . . . . . . . . . 22 Reading Array Data ................................................................ 22 Reset Command ..................................................................... 23 Autoselect Command Sequence ............................................ 23 Enter SecSi Sector/Exit SecSi Sector Command Sequence .. 23 Word Program Command Sequence ..................................... 23 Unlock Bypass Command Sequence ..................................... 24 Write Buffer Programming ...................................................... 24 Accelerated Program .............................................................. 25 Figure 4. Write Buffer Programming Operation............................... 26 Figure 5. Program Operation .......................................................... 27 Program Suspend/Program Resume Command Sequence ... 27 Figure 6. Program Suspend/Program Resume............................... 28 Chip Erase Command Sequence ........................................... 28 Sector Erase Command Sequence ........................................ 28 Erase Suspend/Erase Resume Commands ........................... 29 Figure 7. Erase Operation.............................................................. 30 Command Definitions ............................................................. 31 Table 10. Command Definitions...................................................... 31 Write Operation Status . . . . . . . . . . . . . . . . . . . . . 32 DQ7: Data# Polling ................................................................. 32 Figure 8. Data# Polling Algorithm .................................................. 32 DQ6: Toggle Bit I .................................................................... 33 Figure 9. Toggle Bit Algorithm........................................................ 33 DQ2: Toggle Bit II ................................................................... 34 Reading Toggle Bits DQ6/DQ2 ............................................... 34 DQ5: Exceeded Timing Limits ................................................ 34 DQ3: Sector Erase Timer ....................................................... 34 DQ1: Write-to-Buffer Abort ..................................................... 35 Table 11. Write Operation Status ................................................... 35 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 36 Figure 10. Maximum Negative Overshoot Waveform ................... 36 Figure 11. Maximum Positive Overshoot Waveform..................... 36 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 36 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 37 Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Figure 12. Test Setup.................................................................... 38 Table 12. Test Specifications ......................................................... 38 Key to Switching Waveforms. . . . . . . . . . . . . . . . 38 Figure 13. Input Waveforms and Measurement Levels...................................................................... 38 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 39 Read-Only Operations ........................................................... 39 Figure 14. Read Operation Timings ............................................... 39 Figure 15. Page Read Timings ...................................................... 40 Hardware Reset (RESET#) .................................................... 41 Figure 16. Read Operation Timings ............................................... 41 Figure 17. Reset Timings ............................................................... 42 Erase and Program Operations .............................................. 43 Figure 18. Program Operation Timings.......................................... 44 Figure 19. Accelerated Program Timing Diagram.......................... 44 Figure 20. Chip/Sector Erase Operation Timings .......................... 45 Figure 21. Data# Polling Timings (During Embedded Algorithms)...................................................... 46 Figure 22. Toggle Bit Timings (During Embedded Algorithms)...................................................... 47 Figure 23. DQ2 vs. DQ6................................................................. 47 Temporary Sector Unprotect .................................................. 48 Figure 24. Temporary Sector Group Unprotect Timing Diagram ... 48 Figure 25. Sector Group Protect and Unprotect Timing Diagram .. 49 Alternate CE# Controlled Erase and Program Operations ..... 50 Figure 26. Alternate CE# Controlled Write (Erase/Program) Operation Timings.......................................................................... 51 Erase And Programming Performance. . . . . . . . 52 Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 52 TSOP Pin Capacitance . . . . . . . . . . . . . . . . . . . . . 53 Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 54 TS 048—48-Pin Standard Thin Small Outline Package ......... 54 TSR048—48-Pin Reverse Thin Small Outline Package ......... 55 Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 56 |
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