AM49BDS640AHD8I SPANSION [SPANSION], AM49BDS640AHD8I Datasheet - Page 6

• Manufacturer Part Number: AM49BDS640AHD8I
• Description: Stacked Multichip Package (MCP), Flash Memory and pSRAM CMOS 1.8 Volt-only Simultaneous Read/Write
• Manufacturer: SPANSION [SPANSION]

TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 6
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Block Diagram of Simultaneous
Operation Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 9
Ordering Information . . . . . . . . . . . . . . . . . . . . . . 11
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 12
4
Special Handling Instructions for FBGA Package .................... 9
VersatileIO™ (V
Requirements for Asynchronous Read
Operation (Non-Burst) ............................................................ 12
Requirements for Synchronous (Burst) Read Operation ........ 12
Burst Suspend/Resume .......................................................... 13
Configuration Register ............................................................ 14
Reduced Wait-state Handshaking Option .............................. 14
Simultaneous Read/Write Operations with Zero Latency ....... 14
Writing Commands/Command Sequences ............................ 14
Accelerated Program Operation ............................................. 15
Autoselect Mode ..................................................................... 15
Sector/Sector Block Protection and Unprotection .................. 16
Persistent Sector Protection ................................................... 17
Persistent Sector Protection Mode Locking Bit ...................... 18
Password Protection Mode ..................................................... 18
Password and Password Mode Locking Bit ........................... 19
64-bit Password ...................................................................... 19
Persistent Protection Bit Lock ................................................. 19
High Voltage Sector Protection .............................................. 19
Standby Mode ........................................................................ 19
Automatic Sleep Mode ........................................................... 20
SecSi™ (Secured Silicon) Sector
Flash Memory Region ............................................................ 22
Write Protect (WP#) ................................................................ 23
Table 1. Device Bus Operations ....................................................12
8-, 16-, and 32-Word Linear Burst with Wrap Around ......... 13
Table 2. Burst Address Groups .......................................................13
Table 3.
Protection/Unprotection ...................................................................16
Sector Protection ................................................................. 16
Selecting a Sector Protection Mode .................................... 16
Persistent Protection Bit (PPB) ............................................ 17
Persistent Protection Bit Lock (PPB Lock) .......................... 17
Dynamic Protection Bit (DYB) ............................................. 17
Table 4.
RESET#: Hardware Reset Input .......................................... 20
Output Disable Mode ........................................................... 20
Figure 1. Temporary Sector Unprotect Operation........................... 20
Figure 2. In-System Sector Protection/
Sector Unprotection Algorithms ...................................................... 21
Factory-Locked Area (64 words) ......................................... 22
Table 5. SecSi
Customer-Lockable Area (64 words) ................................... 22
SecSi Sector Protection Bits ................................................ 22
Hardware Data Protection ................................................... 22
Low V
Write Pulse “Glitch” Protection ............................................ 23
Logical Inhibit ...................................................................... 23
Power-Up Write Inhibit ......................................................... 23
CC
Am49BDS640AH Boot Sector/Sector Block
Sector Protection Schemes ...............................................18
Write Inhibit .......................................................... 23
TM
IO
Sector Addresses ...............................................22
) Control ..................................................... 12
A D V A N C E
Addresses for
Am49BDS640AH
I N F O R M A T I O N
Command Definitions . . . . . . . . . . . . . . . . . . . . . 26
Write Operation Status . . . . . . . . . . . . . . . . . . . . 39
Reading Array Data ................................................................ 26
Set Configuration Register Command Sequence ................... 26
Reset Command ..................................................................... 29
Autoselect Command Sequence ............................................ 29
Enter SecSi™ Sector/Exit SecSi Sector
Command Sequence .............................................................. 30
Program Command Sequence ............................................... 30
Chip Erase Command Sequence ........................................... 31
Sector Erase Command Sequence ........................................ 31
Erase Suspend/Erase Resume Commands ........................... 32
Password Program Command ................................................ 33
Password Verify Command .................................................... 33
Password Protection Mode Locking Bit Program Command .. 33
Persistent Sector Protection Mode Locking Bit Program Com-
mand ....................................................................................... 33
SecSi Sector Protection Bit Program Command .................... 34
PPB Lock Bit Set Command ................................................... 34
DYB Write Command ............................................................. 34
Password Unlock Command .................................................. 34
PPB Program Command ........................................................ 34
All PPB Erase Command ........................................................ 34
DYB Write Command ............................................................. 35
PPB Status Command ............................................................ 35
PPB Lock Bit Status Command .............................................. 35
DYB Status Command ............................................................ 35
Command Definitions ............................................................. 36
DQ7: Data# Polling ................................................................. 39
DQ6: Toggle Bit I .................................................................... 40
DQ2: Toggle Bit II ................................................................... 41
Reading Toggle Bits DQ6/DQ2 ............................................... 42
DQ5: Exceeded Timing Limits ................................................ 42
DQ3: Sector Erase Timer ....................................................... 43
Table 6. CFI Query Identification String ......................................... 23
Table 9. Primary Vendor-Specific Extended Query ....................... 25
Figure 3. Synchronous/Asynchronous State Diagram ................... 26
Read Mode Setting .............................................................. 26
Programmable Wait State Configuration ............................. 26
Table 10. Programmable Wait State Settings ................................ 27
Reduced Wait-state Handshaking Option ........................... 27
Table 11. Wait States for Reduced wait-state Handshaking ......... 27
Standard Handshaking Option ............................................ 27
Table 12. Wait States for Standard Handshaking .......................... 27
Read Mode Configuration .................................................... 28
Table 13. Read Mode Settings ....................................................... 28
Burst Active Clock Edge Configuration ................................ 28
RDY Configuration ............................................................... 28
Table 14. Configuration Register ................................................... 29
Unlock Bypass Command Sequence .................................. 30
Figure 4. Program Operation ......................................................... 31
Figure 5. Erase Operation.............................................................. 33
Table 15. Command Definitions .................................................... 36
Figure 6. Data# Polling Algorithm .................................................. 39
Figure 7. Toggle Bit Algorithm........................................................ 41
Table 16. DQ6 and DQ2 Indications .............................................. 42
Table 17. Write Operation Status ................................................... 43
December 5, 2003