AM29LV641ML AMD [Advanced Micro Devices], AM29LV641ML Datasheet - Page 6

• Manufacturer Part Number: AM29LV641ML
• Manufacturer: AMD [Advanced Micro Devices]

TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 6
Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 9
Common Flash Memory Interface (CFI) . . . . . . . 19
Command Definitions . . . . . . . . . . . . . . . . . . . . . 22
4
Continuity of Specifications ....................................................... i
For More Information ................................................................. i
VersatileIO™ (V
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
Autoselect Mode..................................................................... 14
Sector Group Protection and Unprotection ............................. 15
Write Protect (WP#) ................................................................ 16
Temporary Sector Group Unprotect ....................................... 16
SecSi (Secured Silicon) Sector Flash Memory Region .......... 18
Hardware Data Protection ...................................................... 19
Low VCC Write Inhibit ............................................................ 19
Write Pulse “Glitch” Protection ............................................... 19
Logical Inhibit .......................................................................... 19
Power-Up Write Inhibit ............................................................ 19
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
Program Suspend/Program Resume Command Sequence ... 27
Chip Erase Command Sequence ........................................... 28
Table 1. Device Bus Operations .......................................................9
Table 2. Sector Address Table ........................................................12
Table 3. Autoselect Codes, (High Voltage Method) .......................14
Table 4. Sector Group Protection/Unprotection Address Table .....15
Figure 1. Temporary Sector Group Unprotect Operation................ 16
Figure 2. In-System Sector Group Protect/Unprotect Algorithms ... 17
Table 5. SecSi Sector Contents ......................................................18
Figure 3. SecSi Sector Protect Verify.............................................. 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
Figure 4. Write Buffer Programming Operation............................... 26
Figure 5. Program Operation .......................................................... 27
Figure 6. Program Suspend/Program Resume............................... 28
IO
) Control ....................................................... 9
D A T A S H E E T
Am29LV641MH/L
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 32
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 36
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 36
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 37
Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Key to Switching Waveforms. . . . . . . . . . . . . . . . 38
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 39
Erase And Programming Performance. . . . . . . . 52
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 52
TSOP Pin Capacitance . . . . . . . . . . . . . . . . . . . . . 53
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 54
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 56
Sector Erase Command Sequence ........................................ 28
Erase Suspend/Erase Resume Commands ........................... 29
Command Definitions ............................................................. 31
DQ7: Data# Polling ................................................................. 32
DQ6: Toggle Bit I .................................................................... 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
Read-Only Operations ........................................................... 39
Hardware Reset (RESET#) .................................................... 41
Erase and Program Operations .............................................. 43
Temporary Sector Unprotect .................................................. 48
Alternate CE# Controlled Erase and Program Operations ..... 50
TS 048—48-Pin Standard Thin Small Outline Package ......... 54
TSR048—48-Pin Reverse Thin Small Outline Package ......... 55
Figure 7. Erase Operation.............................................................. 30
Table 10. Command Definitions...................................................... 31
Figure 8. Data# Polling Algorithm .................................................. 32
Figure 9. Toggle Bit Algorithm........................................................ 33
Table 11. Write Operation Status ................................................... 35
Figure 10. Maximum Negative Overshoot Waveform ................... 36
Figure 11. Maximum Positive Overshoot Waveform..................... 36
Figure 12. Test Setup.................................................................... 38
Table 12. Test Specifications ......................................................... 38
Figure 13. Input Waveforms and
Measurement Levels...................................................................... 38
Figure 14. Read Operation Timings ............................................... 39
Figure 15. Page Read Timings ...................................................... 40
Figure 16. Read Operation Timings ............................................... 41
Figure 17. Reset Timings ............................................................... 42
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
Figure 24. Temporary Sector Group Unprotect Timing Diagram ... 48
Figure 25. Sector Group Protect and Unprotect Timing Diagram .. 49
Figure 26. Alternate CE# Controlled Write (Erase/Program)
Operation Timings.......................................................................... 51
December 21, 2005