AM29LV642D AMD [Advanced Micro Devices], AM29LV642D Datasheet - Page 5

• Manufacturer Part Number: AM29LV642D
• Manufacturer: AMD [Advanced Micro Devices]

TABLE OF CONTENTS
Distinctive Characteristics . . . . . . . . . . . . . . . . . . 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . 2
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 9
Common Flash Memory Interface (CFI) . . . . . . . 23
Command Definitions . . . . . . . . . . . . . . . . . . . . . 25
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 31
May 5, 2006 25022A2
VersatileI/O™ (V
Requirements for Reading Array Data ..................................... 9
Writing Commands/Command Sequences ............................ 10
Accelerated Program Operation ............................................. 10
Autoselect Functions .............................................................. 10
Standby Mode ........................................................................ 10
Automatic Sleep Mode ........................................................... 10
RESET#: Hardware Reset Pin ............................................... 10
Output Disable Mode .............................................................. 11
Autoselect Mode ..................................................................... 19
Sector Group Protection and Unprotection ............................. 20
Temporary Sector Group Unprotect ....................................... 21
Hardware Data Protection ...................................................... 23
Low VCC Write Inhibit ............................................................ 23
Write Pulse “Glitch” Protection ............................................... 23
Logical Inhibit .......................................................................... 23
Power-Up Write Inhibit ............................................................ 23
Reading Array Data ................................................................ 25
Reset Command ..................................................................... 26
Autoselect Command Sequence ............................................ 26
Word Program Command Sequence ..................................... 26
Unlock Bypass Command Sequence ..................................... 26
Chip Erase Command Sequence ........................................... 27
Sector Erase Command Sequence ........................................ 28
Erase Suspend/Erase Resume Commands ........................... 28
DQ7: Data# Polling ................................................................. 31
Table 1. Am29LV642D Device Bus Operations ................................9
Table 2. Sector Address Table for CE# ..........................................11
Table 3. Sector Address Table for CE2# ........................................15
Table 4. Am29LV642D Autoselect Codes, (High Voltage Method) 19
Table 5. Sector Group Protection/Unprotection Address Table .....20
Figure 1. Temporary Sector Group Unprotect Operation................ 21
Figure 2. In-System Sector Group Protect/Unprotect Algorithms ... 22
Table 6. CFI Query Identification String .......................................... 23
System Interface String................................................................... 24
Table 8. Device Geometry Definition .............................................. 24
Table 9. Primary Vendor-Specific Extended Query ........................ 25
Figure 3. Program Operation .......................................................... 27
Figure 4. Erase Operation............................................................... 29
Am29LV642D Command Definitions .............................................. 30
Figure 5. Data# Polling Algorithm ................................................... 31
IO
) Control ...................................................... 9
D A T A
Am29LV642D
S H E E T
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 35
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . 35
DC Characteristics
(for Two Am29LV640 devices) . . . . . . . . . . . . . . 36
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Key to Switching Waveforms. . . . . . . . . . . . . . . . 38
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 39
Erase And Programming Performance . . . . . . . 50
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 50
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 51
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 52
RY/BY#: Ready/Busy# ............................................................ 32
DQ6: Toggle Bit I .................................................................... 32
DQ2: Toggle Bit II ................................................................... 33
Reading Toggle Bits DQ6/DQ2 ............................................... 33
DQ5: Exceeded Timing Limits ................................................ 33
DQ3: Sector Erase Timer ....................................................... 33
Industrial (I) Devices ............................................. 35
Extended (E) Devices ........................................... 35
V
Read-Only Operations ........................................................... 39
Hardware Reset (RESET#) .................................................... 40
Erase and Program Operations .............................................. 41
Temporary Sector Unprotect .................................................. 46
LSA064—64-Ball Fortified Ball Grid Array (Fortified BGA) 13 x 11
mm package ........................................................................... 51
Revision A (August 14, 2001) ................................................. 52
Revision A1 (January 7, 2005) ............................................... 52
Revision A2 (May 5, 2006) ..................................................... 52
CC
Figure 6. Toggle Bit Algorithm........................................................ 32
Table 11. Write Operation Status ................................................... 34
Figure 7. Maximum Negative Overshoot Waveform ..................... 35
Figure 8. Maximum Positive Overshoot Waveform....................... 35
Figure 9. I
Automatic Sleep Currents) ............................................................. 37
Figure 10. Typical I
Figure 11. Test Setup.................................................................... 38
Table 12. Test Specifications ......................................................... 38
Figure 12. Input Waveforms and Measurement Levels ................. 38
Figure 13. Read Operation Timings ............................................... 39
Figure 14. Reset Timings ............................................................... 40
Figure 15. Program Operation Timings.......................................... 42
Figure 16. Accelerated Program Timing Diagram.......................... 42
Figure 17. Chip/Sector Erase Operation Timings .......................... 43
Figure 18. Data# Polling Timings (During Embedded Algorithms). 44
Figure 19. Toggle Bit Timings (During Embedded Algorithms)...... 45
Figure 20. DQ2 vs. DQ6................................................................. 45
Figure 21. Temporary Sector Group Unprotect Timing Diagram ... 46
Figure 22. Sector Group Protect and Unprotect Timing Diagram .. 47
Figure 23. Alternate CE# Controlled Write
(Erase/Program) Operation Timings .............................................. 49
Supply Voltages ............................................ 35
CC1
Current vs. Time (Showing Active and
CC1
vs. Frequency ............................................ 37
3