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AM29LV256ML123FI Folha de dados(PDF) 5 Page - Advanced Micro Devices |
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AM29LV256ML123FI Folha de dados(HTML) 5 Page - Advanced Micro Devices |
5 / 69 page December 16, 2005 Am29LV256M 3 D A TA SH EE T TABLE OF CONTENTS Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 5 Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8 Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 9 Table 1. Device Bus Operations ....................................................... 9 Word/Byte Configuration .......................................................... 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 Standby Mode ........................................................................ 10 Automatic Sleep Mode ........................................................... 11 RESET#: Hardware Reset Pin ............................................... 11 Output Disable Mode .............................................................. 11 Table 2. Sector Address Table........................................................ 12 Autoselect Mode ..................................................................... 23 Table 3. Autoselect Codes, (High Voltage Method) ....................... 23 Sector Group Protection and Unprotection ............................. 24 Table 4. Sector Group Protection/Unprotection Address Table ..... 24 Write Protect (WP#) ................................................................ 26 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 ................................................................................................ 29 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 Table 6. CFI Query Identification String ..........................................30 Table 7. System Interface String..................................................... 30 Table 8. Device Geometry Definition ..............................................31 Table 9. Primary Vendor-Specific Extended Query ........................32 Command Definitions . . . . . . . . . . . . . . . . . . . . . 32 Reading Array Data ................................................................ 32 Reset Command ..................................................................... 33 Autoselect Command Sequence ............................................ 33 Enter SecSi Sector/Exit SecSi Sector Command Sequence .. 33 Word/Byte Program Command Sequence ............................. 33 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 Table 10. Erase Operation ............................................................. 39 Erase Suspend/Erase Resume Commands ........................... 39 Command Definitions ............................................................. 40 Table 11. Command Definitions (x16 Mode, BYTE# = VIH) ........... 40 Table 12. Command Definitions (x8 Mode, BYTE# = V IL).............. 41 Write Operation Status . . . . . . . . . . . . . . . . . . . . . 42 DQ7: Data# Polling ................................................................. 42 Figure 7. Data# Polling Algorithm .................................................. 42 RY/BY#: Ready/Busy# ............................................................ 43 DQ6: Toggle Bit I .................................................................... 43 Figure 8. Toggle Bit Algorithm ........................................................ 44 DQ2: Toggle Bit II ................................................................... 44 Reading Toggle Bits DQ6/DQ2 ............................................... 44 DQ5: Exceeded Timing Limits ................................................ 45 DQ3: Sector Erase Timer ....................................................... 45 DQ1: Write-to-Buffer Abort ..................................................... 45 Table 13. Write Operation Status................................................... 45 Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 46 Figure 9. Maximum Negative Overshoot Waveform ..................... 46 Figure 10. Maximum Positive Overshoot Waveform ..................... 46 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 46 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 47 Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Figure 11. Test Setup ..................................................................... 48 Table 14. Test Specifications ......................................................... 48 Key to Switching Waveforms. . . . . . . . . . . . . . . . 48 Figure 12. Input Waveforms and Measurement Levels ...................................................................... 48 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 49 Read-Only Operations ........................................................... 49 Figure 13. Read Operation Timings ............................................... 49 Figure 14. Page Read Timings ...................................................... 50 Hardware Reset (RESET#) .................................................... 51 Figure 15. Reset Timings ............................................................... 51 Erase and Program Operations .............................................. 52 Figure 16. Program Operation Timings .......................................... 53 Figure 17. Accelerated Program Timing Diagram .......................... 53 Figure 18. Chip/Sector Erase Operation Timings .......................... 54 Figure 19. Data# Polling Timings (During Embedded Algorithms) . 55 Figure 20. Toggle Bit Timings (During Embedded Algorithms) ...... 56 Figure 21. DQ2 vs. DQ6 ................................................................. 56 Temporary Sector Unprotect .................................................. 57 Figure 22. Temporary Sector Group Unprotect Timing Diagram ... 57 Figure 23. Sector Group Protect and Unprotect Timing Diagram .. 58 Alternate CE# Controlled Erase and Program Operations ..... 59 Figure 24. Alternate CE# Controlled Write (Erase/Program) Operation Timings .......................................................................... 60 Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 60 Erase And Programming Performance. . . . . . . . 61 TSOP Pin and BGA Package Capacitance . . . . . 61 Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 62 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 63 TS056/TSR056—56-Pin Standard/Reverse Thin Small Outline Package (TSOP) ..................................................................... 63 LAC064—64-Ball Fortified Ball Grid Array 18 x 12 mm Package .............................................................. 64 Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 65 |
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