參數(shù)資料
型號： AM49PDL640AG85NS
廠商： SPANSION LLC
元件分類： 存儲器
英文描述： 64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory and 16 Mbit (1 M x 16-Bit) Pseudo Static RAM
中文描述： SPECIALTY MEMORY CIRCUIT, PBGA73
封裝： 13 X 9 MM, FBGA-73
文件頁數(shù)： 5/69頁
文件大?。?/td> 491K
代理商： AM49PDL640AG85NS
November 20, 2003
Am49PDL640AG
3
P R E L I M I N A R Y
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
MCP Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . 5
Flash Memory Block Diagram . . . . . . . . . . . . . . . .6
PSRAM Block Diagram . . . . . . . . . . . . . . . . . . . . . 6
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 7
Special Package Handling Instructions ....................................7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . .9
MCP Device Bus Operations . . . . . . . . . . . . . . . . .9
Random Read (Non-Page Read) ........................................11
Page Mode Read ................................................................11
Table 2. Page Select .......................................................................11
Simultaneous Operation .........................................................11
Table 3. Bank Select .......................................................................11
Writing Commands/Command Sequences ............................11
Accelerated Program Operation ..........................................12
Autoselect Functions ...........................................................12
Automatic Sleep Mode ...........................................................12
RESET#: Hardware Reset Pin ...............................................12
Output Disable Mode ..............................................................13
Table 4. Am29PDL640G Sector Architecture .................................13
Table 5. Bank Address ....................................................................14
Table 6. SecSi
TM
SectorSecure Sector Addresses .........................14
Table 7. Am29PDL640G Boot Sector/Sector Block Addresses for Pro-
tection/Unprotection ........................................................................15
Sector Protection. . . . . . . . . . . . . . . . . . . . . . . . . 16
Persistent Sector Protection ...................................................16
Persistent Protection Bit (PPB) ............................................16
Persistent Protection Bit Lock (PPB Lock) ..........................16
Dynamic Protection Bit (DYB) .............................................16
Table 8. Sector Protection Schemes ...............................................17
Persistent Sector Protection Mode Locking Bit ...................17
Password Protection Mode .....................................................17
Password and Password Mode Locking Bit ........................18
64-bit Password ...................................................................18
Write Protect (WP#) ................................................................18
Persistent Protection Bit Lock ..............................................18
High Voltage Sector Protection ..............................................19
Figure 1. In-System Sector Protection/
Sector Unprotection Algorithms ...................................................... 20
Temporary Sector Unprotect ..................................................21
Figure 2. Temporary Sector Unprotect Operation........................... 21
SecSi (Secured Silicon) Sector
SectorFlash Memory Region .................................................21
SecSi Sector Protection Bit .................................................22
Figure 3. SecSi Sector Protect Verify.............................................. 22
Hardware Data Protection ......................................................23
Low VCC Write Inhibit .........................................................23
Write Pulse “Glitch” Protection ............................................23
Logical Inhibit ......................................................................23
Power-Up Write Inhibit .........................................................23
Common Flash Memory Interface (CFI). . . . . . . 23
Command Definitions . . . . . . . . . . . . . . . . . . . . . .27
Reading Array Data ................................................................27
Reset Command .....................................................................27
Autoselect Command Sequence ............................................27
Enter SecSi Sector/Exit SecSi Sector
Command Sequence ..............................................................28
Word Program Command Sequence ......................................28
Unlock Bypass Command Sequence ..................................28
Figure 4. Program Operation ......................................................... 29
Chip Erase Command Sequence ...........................................29
Sector Erase Command Sequence ........................................29
Erase Suspend/Erase Resume Commands ...........................30
Figure 5. Erase Operation.............................................................. 30
Password Program Command ................................................30
Password Verify Command ....................................................31
Password Protection Mode Locking Bit Program Command ..31
Persistent Sector Protection Mode Locking Bit Program Com-
mand .......................................................................................31
SecSi Sector Protection Bit Program Command ....................31
PPB Lock Bit Set Command ...................................................31
DYB Write Command .............................................................31
Password Unlock Command ..................................................32
PPB Program Command ........................................................32
All PPB Erase Command ........................................................32
DYB Write Command .............................................................32
PPB Lock Bit Set Command ...................................................32
PPB Status Command ............................................................32
PPB Lock Bit Status Command ..............................................32
Sector Protection Status Command .......................................32
Table 13. Memory Array Command Definitions ............................. 33
Table 14. Sector Protection Command Definitions ........................ 34
Write Operation Status . . . . . . . . . . . . . . . . . . . . 35
DQ7: Data# Polling .................................................................35
Figure 6. Data# Polling Algorithm .................................................. 35
DQ6: Toggle Bit I ....................................................................36
Figure 7. Toggle Bit Algorithm........................................................ 36
DQ2: Toggle Bit II ...................................................................37
Reading Toggle Bits DQ6/DQ2 ...............................................37
DQ5: Exceeded Timing Limits ................................................37
DQ3: Sector Erase Timer .......................................................37
Table 15. Write Operation Status ................................................... 38
pSRAM Power Down . . . . . . . . . . . . . . . . . . . . . . 39
Figure 8. State Diagram................................................................. 39
Table 16. Standby Mode Characteristics ....................................... 39
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 40
Figure 9. Maximum Negative Overshoot Waveform...................... 40
Figure 10. Maximum Positive Overshoot Waveform...................... 40
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 41
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 11. Test Setup.................................................................... 43
Figure 12. Input Waveforms and Measurement Levels ................. 43
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 44
pSRAM CE#s Timing ..............................................................44
Figure 13. Timing Diagram for Alternating
Between pSRAM to Flash.............................................................. 44
Read-Only Operations ...........................................................45
Figure 14. Read Operation Timings............................................... 45
Figure 15. Page Read Operation Timings...................................... 46
Hardware Reset (RESET#) ....................................................47
Figure 16. Reset Timings............................................................... 47
Erase and Program Operations ..............................................48
Figure 17. Program Operation Timings.......................................... 49
Figure 18. Accelerated Program Timing Diagram.......................... 49
Figure 19. Chip/Sector Erase Operation Timings .......................... 50
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