AM29PDL640G AMD [Advanced Micro Devices], AM29PDL640G Datasheet - Page 5

• Manufacturer Part Number: AM29PDL640G
• Description: 64 Megabit (4 M x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory with Enhanced VersatileIOTM Control
• Manufacturer: AMD [Advanced Micro Devices]

TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Simultaneous READ/Write Block Diagram . . . . . 6
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 7
Pin Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ordering Information . . . . . . . . . . . . . . . . . . . . . . 10
Device Bus Operations . . . . . . . . . . . . . . . . . . . . 11
Sector Protection . . . . . . . . . . . . . . . . . . . . . . . . . 17
Common Flash Memory Interface (CFI) . . . . . . . 23
December 13, 2005
Requirements for Reading Array Data ................................... 11
Random Read (Non-Page Read) ........................................... 11
Page Mode Read .................................................................... 11
Simultaneous Operation ......................................................... 12
Writing Commands/Command Sequences ............................ 12
Accelerated Program Operation ............................................. 12
Autoselect Functions .............................................................. 12
Standby Mode ........................................................................ 12
Automatic Sleep Mode ........................................................... 13
RESET#: Hardware Reset Pin ............................................... 13
Output Disable Mode .............................................................. 13
Autoselect Mode..................................................................... 15
Persistent Sector Protection ................................................... 17
Persistent Protection Bit (PPB) ............................................... 17
Persistent Protection Bit Lock (PPB Lock) ............................. 17
Dynamic Protection Bit (DYB) ................................................ 17
Persistent Sector Protection Mode Locking Bit ...................... 18
Password Protection Mode ..................................................... 18
Password and Password Mode Locking Bit ........................... 19
64-bit Password ...................................................................... 19
Write Protect (WP#) ................................................................ 19
Persistent Protection Bit Lock ................................................. 19
High Voltage Sector Protection .............................................. 20
Temporary Sector Unprotect .................................................. 22
SecSi™ (Secured Silicon) Sector
Flash Memory Region ............................................................ 22
SecSi Sector Protection Bit .................................................... 23
Hardware Data Protection ...................................................... 23
Low VCC Write Inhibit ............................................................ 23
Write Pulse “Glitch” Protection ............................................... 23
Logical Inhibit .......................................................................... 23
Power-Up Write Inhibit ............................................................ 23
Table 1. Am29PDL640G Device Bus Operations ...........................11
Table 2. Page Select .......................................................................12
Table 3. Bank Select .......................................................................12
Table 4. Am29PDL640G Sector Architecture .................................13
Table 5. Bank Address ....................................................................15
Table 6. SecSi
Table 7. Autoselect Codes (High Voltage Method) ........................16
Table 8. Am29PDL640G Boot Sector/Sector Block Addresses for
Protection/Unprotection ...................................................................16
Table 9. Sector Protection Schemes ...............................................18
Figure 1. In-System Sector Protection/
Sector Unprotection Algorithms ...................................................... 21
Figure 2. Temporary Sector Unprotect Operation........................... 22
Figure 3. SecSi Sector Protect Verify.............................................. 23
Table 10. CFI Query Identification String ............................ 25
TM
Sector Addresses ...............................................15
D A T A S H E E T
Am29PDL640G
Command Definitions. . . . . . . . . . . . . . . . . . . . . . 28
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 36
Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 40
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 41
Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 42
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 43
Reading Array Data ................................................................ 28
Reset Command ..................................................................... 28
Autoselect Command Sequence ............................................ 28
Enter SecSi™ Sector/Exit SecSi Sector
Command Sequence .............................................................. 29
Word Program Command Sequence ...................................... 29
Unlock Bypass Command Sequence ..................................... 29
Chip Erase Command Sequence ........................................... 30
Sector Erase Command Sequence ........................................ 30
Erase Suspend/Erase Resume Commands ........................... 31
Password Program Command ................................................ 31
Password Verify Command .................................................... 32
Password Protection Mode Locking Bit Program Command .. 32
Persistent Sector Protection Mode Locking Bit Program
Command ............................................................................... 32
SecSi Sector Protection Bit Program Command .................... 32
PPB Lock Bit Set Command ................................................... 32
DYB Write Command ............................................................. 32
Password Unlock Command .................................................. 33
PPB Program Command ........................................................ 33
All PPB Erase Command ........................................................ 33
DYB Write Command ............................................................. 33
PPB Lock Bit Set Command ................................................... 33
PPB Status Command ............................................................ 33
PPB Lock Bit Status Command .............................................. 33
Sector Protection Status Command ....................................... 33
Command Definitions Tables.................................................. 34
DQ7: Data# Polling ................................................................. 36
RY/BY#: Ready/Busy#............................................................ 37
DQ6: Toggle Bit I .................................................................... 37
DQ2: Toggle Bit II ................................................................... 38
Reading Toggle Bits DQ6/DQ2 ............................................... 38
DQ5: Exceeded Timing Limits ................................................ 38
DQ3: Sector Erase Timer ....................................................... 38
Read-Only Operations ........................................................... 43
Table 11. System Interface String................................................... 25
Table 12. Device Geometry Definition................................. 26
Table 13. Primary Vendor-Specific Extended Query........... 27
Figure 4. Program Operation ......................................................... 30
Figure 5. Erase Operation.............................................................. 31
Table 14. Memory Array Command Definitions ............................. 34
Table 15. Sector Protection Command Definitions ........................ 35
Figure 6. Data# Polling Algorithm .................................................. 36
Figure 7. Toggle Bit Algorithm........................................................ 37
Table 16. Write Operation Status ................................................... 39
Figure 8. Maximum Negative Overshoot Waveform ...................... 40
Figure 9. Maximum Positive Overshoot Waveform........................ 40
Figure 10. Test Setup.................................................................... 42
Figure 11. Input Waveforms and Measurement Levels ................. 42
Figure 12. Read Operation Timings ............................................... 43
Figure 13. Page Read Operation Timings...................................... 44
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