AM29PDL128G Datasheet, PDF (4/69 Pages) SPANSION – 128 Megabit (8 M x 16-Bit/4 M x 32-Bit) CMOS 3.0 Volt-only, Simultaneous Read/ Write Flash Memory with VersatileIO Control

PRELIMINARY
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Simultaneous Operation Block Diagram . . . . . . . 6
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 7
Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 9
Device Bus Operations . . . . . . . . . . . . . . . . . . . . 10
Table 1. Am29PDL128G Device Bus Operations ...........................10
Word/Double Word Configuration........................................... 10
Requirements for Reading Array Data ................................... 10
Random Read (Non-Page Read) ........................................... 10
Page Mode Read .................................................................... 11
Table 2. Page Select, Double Word Mode ......................................11
Table 3. Page Select, Word Mode ..................................................11
Simultaneous Operation ......................................................... 11
Table 4. Bank Select .......................................................................11
Writing Commands/Command Sequences ............................ 11
Accelerated Program Operation ............................................. 12
Autoselect Functions .............................................................. 12
Standby Mode ........................................................................ 12
Automatic Sleep Mode ........................................................... 12
RESET#: Hardware Reset Pin ............................................... 12
Output Disable Mode .............................................................. 12
Table 5. Sector Address Table ........................................................13
Table 6. SecSi Sector Addresses ................................................20
Autoselect Mode..................................................................... 20
Table 7. Autoselect Codes (High Voltage Method) ........................20
Table 8. Sector Block Addresses for Protection/Unprotection ........21
Sector Protection . . . . . . . . . . . . . . . . . . . . . . . . . 23
Persistent Sector Protection ................................................... 24
Persistent Protection Bit (PPB) ............................................... 24
Persistent Protection Bit Lock (PPB Lock) ............................. 24
Dynamic Protection Bit (DYB) ................................................ 24
Table 9. Sector Protection Schemes ...............................................25
Persistent Sector Protection Mode Locking Bit ...................... 25
Password Protection Mode ..................................................... 25
Password and Password Mode Locking Bit ........................... 25
64-bit Password ...................................................................... 26
Write Protect (WP#) ................................................................ 26
Persistent Protection Bit Lock ................................................. 26
High Voltage Sector Protection .............................................. 26
Figure 1. In-System Sector Protection/
Sector Unprotection Algorithms ...................................................... 27
Temporary Sector Unprotect .................................................. 28
Figure 2. Temporary Sector Unprotect Operation........................... 28
SecSi™ (Secured Silicon) Sector
Flash Memory Region ............................................................ 28
SecSi Sector Protection Bit .................................................... 29
Utilizing Password and SecSi Sector Concurrently ................ 29
Hardware Data Protection ...................................................... 29
Low VCC Write Inhibit ............................................................ 29
Write Pulse “Glitch” Protection ............................................... 29
Logical Inhibit .......................................................................... 29
Power-Up Write Inhibit ............................................................ 29
Common Flash Memory Interface (CFI) . . . . . . . 30
Table 10. CFI Query Identification String ............................ 30
Table 11. System Interface String................................................... 31
Table 12. Device Geometry Definition................................. 32
Table 13. Primary Vendor-Specific Extended Query........... 33
Command Definitions. . . . . . . . . . . . . . . . . . . . . . 34
Reading Array Data ................................................................ 34
Reset Command ..................................................................... 34
Autoselect Command Sequence ............................................ 34
Enter SecSi Sector/Exit SecSi Sector
Command Sequence .............................................................. 34
Double Word/Word Program Command Sequence ................ 35
Unlock Bypass Command Sequence ..................................... 35
Figure 3. Program Operation ......................................................... 36
Chip Erase Command Sequence ........................................... 36
Sector Erase Command Sequence ........................................ 36
Erase Suspend/Erase Resume Commands ........................... 37
Figure 4. Erase Operation.............................................................. 37
Password Program Command ................................................ 37
Password Verify Command .................................................... 38
Password Protection Mode Locking Bit Program Command .. 38
Persistent Sector Protection Mode Locking Bit Program
Command ............................................................................... 38
SecSi Sector Protection Bit Program Command .................... 38
PPB Lock Bit Set Command ................................................... 38
DYB Write Command ............................................................. 39
Password Unlock Command .................................................. 39
PPB Program Command ........................................................ 39
All PPB Erase Command ........................................................ 39
DYB Write Command ............................................................. 39
PPB Lock Bit Set Command ................................................... 40
PPB Lock Bit Status Command .............................................. 40
Sector Protection Status Command ....................................... 40
Command Definitions Tables.................................................. 41
Table 14. Memory Array Command Definitions (x32 Mode) .......... 41
Table 15. Sector Protection Command Definitions (x32 Mode) ..... 42
Table 16. Memory Array Command Definitions (x16 Mode) .......... 43
Table 17. Sector Protection Command Definitions (x16 Mode) ..... 44
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 45
DQ7: Data# Polling ................................................................. 45
Figure 5. Data# Polling Algorithm .................................................. 45
RY/BY#: Ready/Busy#............................................................ 46
DQ6: Toggle Bit I .................................................................... 46
Figure 6. Toggle Bit Algorithm........................................................ 46
DQ2: Toggle Bit II ................................................................... 47
Reading Toggle Bits DQ6/DQ2 ............................................... 47
DQ5: Exceeded Timing Limits ................................................ 47
DQ3: Sector Erase Timer ....................................................... 47
Table 18. Write Operation Status ................................................... 48
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 49
Figure 7. Maximum Negative Overshoot Waveform ...................... 49
Figure 8. Maximum Positive Overshoot Waveform........................ 49
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 50
Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 9. Test Setup...................................................................... 51
Figure 10. Input Waveforms and Measurement Levels ................. 51
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 52
Read-Only Operations ........................................................... 52
Figure 11. Read Operation Timings ............................................... 52
Figure 12. Page Read Operation Timings...................................... 53
July 29, 2002
Am29PDL128G
3