AM29PDL640AGA85NS SPANSION [SPANSION], AM29PDL640AGA85NS Datasheet - Page 5

• Manufacturer Part Number: AM29PDL640AGA85NS
• Description: 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
• Manufacturer: SPANSION [SPANSION]

TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
MCP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 5
Flash Memory Block Diagram . . . . . . . . . . . . . . . . 6
PSRAM Block Diagram . . . . . . . . . . . . . . . . . . . . . 6
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 9
MCP Device Bus Operations . . . . . . . . . . . . . . . . . 9
Sector Protection . . . . . . . . . . . . . . . . . . . . . . . . . 16
Common Flash Memory Interface (CFI) . . . . . . . 23
Command Definitions . . . . . . . . . . . . . . . . . . . . . . 27
November 20, 2003
Special Package Handling Instructions .................................... 7
Simultaneous Operation ......................................................... 11
Writing Commands/Command Sequences ............................ 11
Automatic Sleep Mode ........................................................... 12
RESET#: Hardware Reset Pin ............................................... 12
Output Disable Mode .............................................................. 13
Persistent Sector Protection ................................................... 16
Password Protection Mode ..................................................... 17
Write Protect (WP#) ................................................................ 18
High Voltage Sector Protection .............................................. 19
Temporary Sector Unprotect .................................................. 21
SecSi™ (Secured Silicon) Sector
Hardware Data Protection ...................................................... 23
Reading Array Data ................................................................ 27
Reset Command ..................................................................... 27
Autoselect Command Sequence ............................................ 27
Enter SecSi™ Sector/Exit SecSi Sector
Command Sequence .............................................................. 28
SectorFlash Memory Region ................................................. 21
Random Read (Non-Page Read) ........................................ 11
Page Mode Read ................................................................ 11
Table 2. Page Select .......................................................................11
Table 3. Bank Select .......................................................................11
Accelerated Program Operation .......................................... 12
Autoselect Functions ........................................................... 12
Table 4. Am29PDL640G Sector Architecture .................................13
Table 5. Bank Address ....................................................................14
Table 6. SecSi
Table 7. Am29PDL640G Boot Sector/Sector Block Addresses for Pro-
tection/Unprotection ........................................................................15
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 and Password Mode Locking Bit ........................ 18
64-bit Password ................................................................... 18
Persistent Protection Bit Lock .............................................. 18
Figure 1. In-System Sector Protection/
Sector Unprotection Algorithms ...................................................... 20
Figure 2. Temporary Sector Unprotect Operation........................... 21
SecSi Sector Protection Bit ................................................. 22
Figure 3. SecSi Sector Protect Verify.............................................. 22
Low VCC Write Inhibit ......................................................... 23
Write Pulse “Glitch” Protection ............................................ 23
Logical Inhibit ...................................................................... 23
Power-Up Write Inhibit ......................................................... 23
TM
SectorSecure Sector Addresses .........................14
P R E L I M I N A R Y
Am49PDL640AG
Write Operation Status . . . . . . . . . . . . . . . . . . . . 35
pSRAM Power Down . . . . . . . . . . . . . . . . . . . . . . 39
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 40
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 41
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 43
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 44
Word Program Command Sequence ...................................... 28
Chip Erase Command Sequence ........................................... 29
Sector Erase Command Sequence ........................................ 29
Erase Suspend/Erase Resume Commands ........................... 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
DQ7: Data# Polling ................................................................. 35
DQ6: Toggle Bit I .................................................................... 36
DQ2: Toggle Bit II ................................................................... 37
Reading Toggle Bits DQ6/DQ2 ............................................... 37
DQ5: Exceeded Timing Limits ................................................ 37
DQ3: Sector Erase Timer ....................................................... 37
pSRAM CE#s Timing .............................................................. 44
Read-Only Operations ........................................................... 45
Hardware Reset (RESET#) .................................................... 47
Erase and Program Operations .............................................. 48
Unlock Bypass Command Sequence .................................. 28
Figure 4. Program Operation ......................................................... 29
Figure 5. Erase Operation.............................................................. 30
Table 13. Memory Array Command Definitions ............................. 33
Table 14. Sector Protection Command Definitions ........................ 34
Figure 6. Data# Polling Algorithm .................................................. 35
Figure 7. Toggle Bit Algorithm........................................................ 36
Table 15. Write Operation Status ................................................... 38
Figure 8. State Diagram ................................................................. 39
Table 16. Standby Mode Characteristics ....................................... 39
Figure 9. Maximum Negative Overshoot Waveform ...................... 40
Figure 10. Maximum Positive Overshoot Waveform...................... 40
Figure 11. Test Setup.................................................................... 43
Figure 12. Input Waveforms and Measurement Levels ................. 43
Figure 13. Timing Diagram for Alternating
Between pSRAM to Flash .............................................................. 44
Figure 14. Read Operation Timings ............................................... 45
Figure 15. Page Read Operation Timings...................................... 46
Figure 16. Reset Timings ............................................................... 47
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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