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AM29LV2562M データシート(PDF) 5 Page - Advanced Micro Devices |
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AM29LV2562M データシート(HTML) 5 Page - Advanced Micro Devices |
5 / 67 page December 16, 2005 Am29LV2562M 3 DATASHE E T TABLE OF CONTENTS Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4 MCP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 4 Flash Memory Block diagram . . . . . . . . . . . . . . . . 5 Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 6 Special Package Handling Instructions .................................... 6 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Logic Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 x16 Mode .................................................................................. 7 x32 Mode .................................................................................. 7 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8 Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 9 Table 1. Device Bus Operations ....................................................... 9 Word/Byte Configuration .......................................................... 9 VersatileIOTM (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 Standby Mode ........................................................................ 10 Automatic Sleep Mode ........................................................... 11 RESET#: Hardware Reset Pin ............................................... 11 Output Disable Mode .............................................................. 11 Table 2. Sector Address Table........................................................ 12 Autoselect Mode ..................................................................... 24 Table 3. Autoselect Codes, (High Voltage Method) ....................... 24 Sector Group Protection and Unprotection ............................. 25 Table 4. Sector Group Protection/Unprotection Address Table ..... 25 Write Protect (WP#) ................................................................ 27 Temporary Sector Group Unprotect ....................................... 27 Figure 1. Temporary Sector Group Unprotect Operation ................27 Figure 2. In-System Sector Group Protect/Unprotect Algorithms ...28 SecSi (Secured Silicon) Sector Flash Memory Region .......... 29 Table 5. SecSi Sector Contents ...................................................... 29 Figure 3. SecSi Sector Protect Verify ..............................................30 Hardware Data Protection ...................................................... 30 Low VCC Write Inhibit .....................................................................30 Write Pulse “Glitch” Protection ........................................................30 Logical Inhibit ..................................................................................30 Power-Up Write Inhibit ....................................................................30 Common Flash Memory Interface (CFI) . . . . . . . 30 Table 6. CFI Query Identification String ..........................................31 Table 7. System Interface String..................................................... 31 Table 8. Device Geometry Definition ..............................................32 Table 9. Primary Vendor-Specific Extended Query ........................33 Command Definitions . . . . . . . . . . . . . . . . . . . . . 34 Reading Array Data ................................................................ 34 Reset Command ..................................................................... 34 Autoselect Command Sequence ............................................ 34 Enter SecSi Sector/Exit SecSi Sector Command Sequence .. 35 Doubleword/Word Program Command Sequence ................. 35 Unlock Bypass Command Sequence ..............................................35 Write Buffer Programming ...............................................................35 Accelerated Program ......................................................................36 Figure 4. Write Buffer Programming Operation ...............................37 Figure 5. Program Operation ..........................................................38 Program Suspend/Program Resume Command Sequence ... 38 Figure 6. Program Suspend/Program Resume .............................. 39 Chip Erase Command Sequence ........................................... 39 Sector Erase Command Sequence ........................................ 39 Figure 7. Erase Operation .............................................................. 40 Erase Suspend/Erase Resume Commands ........................... 40 Command Definitions ............................................................. 41 Table 10. Command Definitions (x32 Mode, WORD# = V IH) ......... 41 Table 11. Command Definitions (x16 Mode, WORD# = V IL).......... 42 Write Operation Status . . . . . . . . . . . . . . . . . . . . . 43 DQ7 and DQ5: Data# Polling .................................................. 43 Figure 7. Data# Polling Algorithm .................................................. 43 RY/BY#: Ready/Busy# ............................................................ 44 DQ6 and DQ14: Toggle Bits I ................................................. 44 Figure 8. Toggle Bit Algorithm ........................................................ 44 DQ2 and DQ10: Toggle Bits II ................................................ 45 Reading Toggle Bits DQ6 and DQ14/DQ2 and DQ10 ............ 45 DQ5 and DQ13: Exceeded Timing Limits ............................... 45 DQ3 and DQ11: Sector Erase Timer ...................................... 45 DQ1: Write-to-Buffer Abort ..................................................... 46 Table 12. Write Operation Status................................................... 46 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 47 Figure 9. Maximum Negative Overshoot Waveform ..................... 47 Figure 10. Maximum Positive Overshoot Waveform ..................... 47 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 47 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 48 Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 49 Figure 11. Test Setup ..................................................................... 49 Table 13. Test Specifications ......................................................... 49 Key to Switching Waveforms. . . . . . . . . . . . . . . . 49 Figure 12. Input Waveforms and Measurement Levels ...................................................................... 49 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 50 Read-Only Operations ........................................................... 50 Figure 13. Read Operation Timings ............................................... 50 Figure 14. Page Read Timings ...................................................... 51 Hardware Reset (RESET#) .................................................... 52 Figure 15. Reset Timings ............................................................... 52 Erase and Program Operations .............................................. 53 Figure 16. Program Operation Timings .......................................... 54 Figure 17. Accelerated Program Timing Diagram .......................... 54 Figure 18. Chip/Sector Erase Operation Timings .......................... 55 Figure 19. Data# Polling Timings (During Embedded Algorithms) . 56 Figure 20. Toggle Bit Timings (During Embedded Algorithms) ...... 57 Figure 21. DQ2 vs. DQ6 ................................................................. 57 Temporary Sector Unprotect .................................................. 58 Figure 22. Temporary Sector Group Unprotect Timing Diagram ... 58 Figure 23. Sector Group Protect and Unprotect Timing Diagram .. 59 Alternate CE# Controlled Erase and Program Operations ..... 60 Figure 24. Alternate CE# Controlled Write (Erase/Program) Operation Timings .......................................................................... 61 Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 61 Erase And Programming Performance. . . . . . . . 62 TSOP Pin and BGA Package Capacitance . . . . . 62 Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 63 LSC080–80-Ball Fortified Ball Grid Array 18 x 12 mm Package .............................................................. 63 Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 64 |
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