AM29BDS128H Datasheet, PDF(5/89 Page) SPANSION – 128 or 64 Megabit (8 M or 4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory

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AM29BDS128H Datasheet, PDF (5/89 Pages) SPANSION – 128 or 64 Megabit (8 M or 4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory

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DATA SHEET

TABLE OF CONTENTS

Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Block Diagram of Simultaneous

Operation Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 7

Special Handling Instructions for FBGA Package .................... 8

Input/Output Descriptions . . . . . . . . . . . . . . . . . . . 9

Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Ordering Information . . . . . . . . . . . . . . . . . . . . . . 10

Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 11

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

Requirements for Asynchronous Read

Operation (Non-Burst) ............................................................ 11

Requirements for Synchronous (Burst) Read Operation ........ 11

8-, 16-, and 32-Word Linear Burst with Wrap Around ............ 12

Table 2. Burst Address Groups .......................................................12

Burst Suspend/Resume .......................................................... 12

Configuration Register ............................................................ 13

Reduced Wait-state Handshaking Option .............................. 13

Simultaneous Read/Write Operations with Zero Latency ....... 13

Writing Commands/Command Sequences ............................ 13

Accelerated Program Operation ............................................. 14

Autoselect Mode ..................................................................... 14

Table 3. Autoselect Codes (High Voltage Method) ........................15

Table 4. Am29BDS128H Boot Sector/Sector Block Addresses for Pro-

tection/Unprotection ........................................................................16

Table 5. Am29BDS640H Boot Sector/Sector Block Addresses for Pro-

tection/Unprotection ........................................................................17

Sector/Sector Block Protection and Unprotection .................. 17

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

Selecting a Sector Protection Mode ....................................... 17

Persistent Sector Protection ................................................... 18

Persistent Protection Bit (PPB) ............................................... 18

Persistent Protection Bit Lock (PPB Lock) ............................. 18

Dynamic Protection Bit (DYB) ................................................ 18

Table 6. Sector Protection Schemes ...............................................19

Persistent Sector Protection Mode Locking Bit ...................... 19

Password Protection Mode ..................................................... 19

Password and Password Mode Locking Bit ........................... 20

64-bit Password ...................................................................... 20

Persistent Protection Bit Lock ................................................. 20

High Voltage Sector Protection .............................................. 20

Standby Mode ........................................................................ 20

Automatic Sleep Mode ........................................................... 21

RESET#: Hardware Reset Input ............................................. 21

Output Disable Mode .............................................................. 21

Figure 1. Temporary Sector Unprotect Operation........................... 21

Figure 2. In-System Sector Protection/

Sector Unprotection Algorithms ...................................................... 22

SecSiâ¢ (Secured Silicon) Sector

Flash Memory Region ............................................................ 23

Factory-Locked Area (64 words) ............................................ 23

Table 7. SecSiTM Sector Addresses ...............................................23

Customer-Lockable Area (64 words) ...................................... 23

SecSi Sector Protection Bits ................................................... 23

Hardware Data Protection ...................................................... 23

Write Protect (WP#) ................................................................ 24

Low VCC Write Inhibit .............................................................. 24

Write Pulse âGlitchâ Protection ................................................ 24

Logical Inhibit .......................................................................... 24

Power-Up Write Inhibit ............................................................ 24

Table 8. CFI Query Identification String ......................................... 24

Table 9. System Interface String .................................................... 25

Table 10. Device Geometry Definition ........................................... 25

Table 11. Primary Vendor-Specific Extended Query ..................... 26

Table 12. Am29BDS128H Sector Address Table .......................... 27

Table 13. Am29BDS640H Sector Address Table .......................... 31

Command Definitions . . . . . . . . . . . . . . . . . . . . . 33

Reading Array Data ................................................................ 33

Set Configuration Register Command Sequence ................... 33

Figure 3. Synchronous/Asynchronous State Diagram ................... 33

Read Mode Setting ................................................................. 33

Programmable Wait State Configuration ................................ 33

Table 14. Programmable Wait State Settings ................................ 34

Reduced Wait-state Handshaking Option ............................... 34

Table 15. Wait States for Reduced Wait-state Handshaking ........ 34

Standard Handshaking Option ................................................ 35

Table 16. Wait States for Standard Handshaking .......................... 35

Read Mode Configuration ....................................................... 35

Table 17. Read Mode Settings ....................................................... 35

Burst Active Clock Edge Configuration ................................... 35

RDY Configuration .................................................................. 35

Table 18. Configuration Register ................................................... 36

Reset Command ..................................................................... 36

Autoselect Command Sequence ............................................ 36

Table 19. Autoselect Data .............................................................. 37

Enter SecSiâ¢ Sector/Exit SecSi Sector

Command Sequence .............................................................. 37

Program Command Sequence ............................................... 37

Unlock Bypass Command Sequence ..................................... 37

Figure 4. Program Operation ......................................................... 38

Chip Erase Command Sequence ........................................... 38

Sector Erase Command Sequence ........................................ 38

Erase Suspend/Erase Resume Commands ........................... 39

Figure 5. Erase Operation.............................................................. 40

Password Program Command ................................................ 40

Password Verify Command .................................................... 40

Password Protection Mode Locking Bit Program Command .. 40

Persistent Sector Protection Mode Locking Bit Program Com-

mand ....................................................................................... 40

SecSi Sector Protection Bit Program Command .................... 41

PPB Lock Bit Set Command ................................................... 41

DYB Write Command ............................................................. 41

Password Unlock Command .................................................. 41

Figure 6. PPB Program Algorithm.................................................. 42

PPB Program Command ........................................................ 43

All PPB Erase Command ........................................................ 43

Figure 7. PPB Erase Algorithm ...................................................... 44

DYB Write Command ............................................................. 45

PPB Status Command ............................................................ 45

PPB Lock Bit Status Command .............................................. 45

DYB Status Command ............................................................ 45

Command Definitions ............................................................. 46

Table 20. Memory Array Command Definitions ............................ 46

Table 21. Sector Protection Command Definitions ....................... 47

May 10, 2006 27024B3

Am29BDS128H/Am29BDS640H

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