AM29PDL640G datasheet(5/61 Pages) AMD

5 / 61 page

December 13, 2005

Am29PDL640G

D A TA SH EE T

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

Table 1. Am29PDL640G Device Bus Operations ...........................11

Requirements for Reading Array Data ................................... 11

Random Read (Non-Page Read) ........................................... 11

Page Mode Read .................................................................... 11

Table 2. Page Select .......................................................................12

Simultaneous Operation ......................................................... 12

Table 3. Bank Select .......................................................................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

Table 4. Am29PDL640G Sector Architecture .................................13

Table 5. Bank Address ....................................................................15

Table 6. SecSiTM Sector Addresses ...............................................15

Autoselect Mode..................................................................... 15

Table 7. Autoselect Codes (High Voltage Method) ........................16

Table 8. Am29PDL640G Boot Sector/Sector Block Addresses for

Protection/Unprotection ...................................................................16

Sector Protection . . . . . . . . . . . . . . . . . . . . . . . . . 17

Persistent Sector Protection ................................................... 17

Persistent Protection Bit (PPB) ............................................... 17

Persistent Protection Bit Lock (PPB Lock) ............................. 17

Dynamic Protection Bit (DYB) ................................................ 17

Table 9. Sector Protection Schemes ...............................................18

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

Figure 1. In-System Sector Protection/

Sector Unprotection Algorithms ...................................................... 21

Temporary Sector Unprotect .................................................. 22

Figure 2. Temporary Sector Unprotect Operation........................... 22

SecSi™ (Secured Silicon) Sector

Flash Memory Region ............................................................ 22

SecSi Sector Protection Bit .................................................... 23

Figure 3. SecSi Sector Protect Verify.............................................. 23

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

Table 10. CFI Query Identification String ............................ 25

Table 11. System Interface String................................................... 25

Table 12. Device Geometry Definition................................. 26

Table 13. Primary Vendor-Specific Extended Query........... 27

Command Definitions. . . . . . . . . . . . . . . . . . . . . . 28

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

Figure 4. Program Operation ......................................................... 30

Chip Erase Command Sequence ........................................... 30

Sector Erase Command Sequence ........................................ 30

Erase Suspend/Erase Resume Commands ........................... 31

Figure 5. Erase Operation.............................................................. 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

Table 14. Memory Array Command Definitions ............................. 34

Table 15. Sector Protection Command Definitions ........................ 35

Write Operation Status . . . . . . . . . . . . . . . . . . . . . 36

DQ7: Data# Polling ................................................................. 36

Figure 6. Data# Polling Algorithm .................................................. 36

RY/BY#: Ready/Busy#............................................................ 37

DQ6: Toggle Bit I .................................................................... 37

Figure 7. Toggle Bit Algorithm........................................................ 37

DQ2: Toggle Bit II ................................................................... 38

Reading Toggle Bits DQ6/DQ2 ............................................... 38

DQ5: Exceeded Timing Limits ................................................ 38

DQ3: Sector Erase Timer ....................................................... 38

Table 16. Write Operation Status ................................................... 39

Absolute Maximum Ratings. . . . . . . . . . . . . . . . . 40

Figure 8. Maximum Negative Overshoot Waveform ...................... 40

Figure 9. Maximum Positive Overshoot Waveform........................ 40

DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 41

Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 10. Test Setup.................................................................... 42

Figure 11. Input Waveforms and Measurement Levels ................. 42

AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 43

Read-Only Operations ........................................................... 43

Figure 12. Read Operation Timings ............................................... 43

Figure 13. Page Read Operation Timings...................................... 44

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