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AM41DL6408G Datasheet(PDF) 4 Page - Advanced Micro Devices

Part No. AM41DL6408G
Description  64 Megabit (8 M x 8-Bit/4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 8 Mbit (1 M x 8-Bit/512 K x 16-Bit) Static RAM
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Maker  AMD [Advanced Micro Devices]
Homepage  http://www.amd.com
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AM41DL6408G Datasheet(HTML) 4 Page - Advanced Micro Devices

 
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August 19, 2002
Am41DL6408G
3
P R E L I M INARY
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
MCP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 5
flash memory Block Diagram . . . . . . . . . . . . . . . . 6
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 7
Special Handling Instructions for FBGA Package .................... 7
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 9
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 9
Table 1. Device Bus Operations—Flash Word Mode, CIOf = V
IH;
SRAM Word Mode, CIOs = VCC ..................................................... 10
Table 2. Device Bus Operations—Flash Word Mode, CIOf = V
IH;
SRAM Byte Mode, CIOs = V
SS
......................................................11
Table 3. Device Bus Operations—Flash Byte Mode, CIOf = VSS;
SRAM Word Mode, CIOs = V
CC .....................................................12
Table 4. Device Bus Operations—Flash Byte Mode, CIOf = V
IL; SRAM
Byte Mode, CIOs = VSS ..................................................................13
Word/Byte Configuration ........................................................ 13
Requirements for Reading Array Data ................................... 13
Writing Commands/Command Sequences ............................ 14
Accelerated Program Operation .......................................... 14
Autoselect Functions ........................................................... 14
Simultaneous Read/Write Operations with Zero Latency ....... 14
Standby Mode ........................................................................ 14
Automatic Sleep Mode ........................................................... 15
RESET#: Hardware Reset Pin ............................................... 15
Output Disable Mode .............................................................. 15
Table 5. Am29DL640G Sector Architecture ....................................15
Table 6. Bank Address ....................................................................18
Table 7. SecSi
 Sector Addresses ...............................................18
Sector/Sector Block Protection and Unprotection .................. 19
Table 8. Am29DL640G Boot Sector/Sector Block Addresses for Pro-
tection/Unprotection ........................................................................19
Write Protect (WP#) ................................................................ 20
Table 9. WP#/ACC Modes ..............................................................20
Temporary Sector Unprotect .................................................. 20
Figure 1. Temporary Sector Unprotect Operation........................... 20
Figure 2. In-System Sector Protect/Unprotect Algorithms .............. 21
SecSi™ (Secured Silicon) Sector
Flash Memory Region ............................................................ 22
Hardware Data Protection ...................................................... 22
Low VCC Write Inhibit ........................................................... 22
Write Pulse “Glitch” Protection ............................................ 23
Logical Inhibit ...................................................................... 23
Power-Up Write Inhibit ......................................................... 23
Common Flash Memory Interface (CFI) . . . . . . . 23
Table 10. CFI Query Identification String ........................................ 23
System Interface String................................................................... 24
Table 12. Device Geometry Definition ............................................ 24
Table 13. Primary Vendor-Specific Extended Query ...................... 25
Command Definitions . . . . . . . . . . . . . . . . . . . . . . 26
Reading Array Data ................................................................ 26
Reset Command ..................................................................... 26
Autoselect Command Sequence ............................................ 26
Enter SecSi™ Sector/Exit SecSi Sector Command Sequence ..
26
Byte/Word Program Command Sequence ............................. 27
Unlock Bypass Command Sequence .................................. 27
Figure 3. Program Operation ......................................................... 28
Chip Erase Command Sequence ........................................... 28
Sector Erase Command Sequence ........................................ 28
Erase Suspend/Erase Resume Commands ........................... 29
Figure 4. Erase Operation.............................................................. 29
Table 14. Am29DL640G Command Definitions .............................. 30
Write Operation Status . . . . . . . . . . . . . . . . . . . . 31
DQ7: Data# Polling ................................................................. 31
Figure 5. Data# Polling Algorithm .................................................. 31
RY/BY#: Ready/Busy# ............................................................ 32
DQ6: Toggle Bit I .................................................................... 32
Figure 6. Toggle Bit Algorithm........................................................ 32
DQ2: Toggle Bit II ................................................................... 33
Reading Toggle Bits DQ6/DQ2 ............................................... 33
DQ5: Exceeded Timing Limits ................................................ 33
DQ3: Sector Erase Timer ....................................................... 33
Table 15. Write Operation Status ................................................... 34
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 35
Figure 7. Maximum Negative Overshoot Waveform ...................... 35
Figure 8. Maximum Positive Overshoot Waveform........................ 35
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 36
CMOS Compatible .................................................................. 36
SRAM DC and Operating Characteristics . . . . . 38
Figure 9. I
CC1 Current vs. Time (Showing Active and
Automatic Sleep Currents) ............................................................. 39
Figure 10. Typical I
CC1 vs. Frequency ............................................ 39
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 11. Test Setup.................................................................... 40
Figure 12. Input Waveforms and Measurement Levels ................. 40
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 41
SRAM CE#s Timing ................................................................ 41
Figure 13. Timing Diagram for Alternating Between SRAM to Flash ..
41
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 42
Flash Read-Only Operations ................................................. 42
Figure 14. Read Operation Timings ............................................... 42
Hardware Reset (RESET#) .................................................... 43
Figure 15. Reset Timings ............................................................... 43
Word/Byte Configuration (CIOf) .............................................. 44
Figure 16. CIOf Timings for Read Operations................................ 44
Figure 17. CIOf Timings for Write Operations................................ 44
Erase and Program Operations .............................................. 45
Figure 18. Program Operation Timings.......................................... 46
Figure 19. Accelerated Program Timing Diagram.......................... 46
Figure 20. Chip/Sector Erase Operation Timings .......................... 47
Figure 21. Back-to-back Read/Write Cycle Timings ...................... 48
Figure 22. Data# Polling Timings (During Embedded Algorithms). 48
Figure 23. Toggle Bit Timings (During Embedded Algorithms)...... 49
Figure 24. DQ2 vs. DQ6................................................................. 49
Temporary Sector Unprotect .................................................. 50
Figure 25. Temporary Sector Unprotect Timing Diagram .............. 50
Figure 26. Sector/Sector Block Protect and
Unprotect Timing Diagram ............................................................. 51
Alternate CE#f Controlled Erase and Program Operations .... 52
Figure 27. Flash Alternate CE#f Controlled Write (Erase/Program)
Operation Timings.......................................................................... 53
SRAM Read Cycle .................................................................. 54
Figure 28. SRAM Read Cycle—Address Controlled...................... 54
Figure 29. SRAM Read Cycle ........................................................ 55


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