am42bds6408h Meet Spansion Inc., am42bds6408h Datasheet - Page 6

• Manufacturer Part Number: am42bds6408h
• Description: Cmos 1.8 Volt-only Simultaneous Read/write, Burst Mode Flash Memory, And 8 Mbit 512 K X 16-bit Sram
• Manufacturer: Meet Spansion Inc.

TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 6
Flash Memory 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
8-, 16-, and 32-Word Linear Burst with Wrap Around .................. 13
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
Sector/Sector Block Protection and Unprotection ........................16
Sector Protection ..........................................................................16
Selecting a Sector Protection Mode .............................................16
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
Persistent Protection Bit Lock ......................................................19
High Voltage Sector Protection ....................................................19
Standby Mode .............................................................................. 19
Automatic Sleep Mode ................................................................. 20
RESET#: Hardware Reset Input .................................................. 20
Output Disable Mode ...................................................................20
SecSi™ (Secured Silicon) Sector
Flash Memory Region ..................................................................22
Factory-Locked Area (64 words) .................................................. 22
Customer-Lockable Area (64 words) ........................................... 22
SecSi Sector Protection Bits ........................................................ 22
Hardware Data Protection ............................................................22
Write Protect (WP#) .....................................................................23
Low V
Write Pulse “Glitch” Protection .....................................................23
Logical Inhibit ............................................................................... 23
Power-Up Write Inhibit ................................................................. 23
Table 1. Device Bus Operations ..........................................................12
Table 2. Burst Address Groups .............................................................13
Table 3.
tion/Unprotection ...................................................................................16
Table 4.
Figure 1. Temporary Sector Unprotect Operation................................. 20
Figure 2. In-System Sector Protection/
Sector Unprotection Algorithms ............................................................ 21
Table 5. SecSi
Table 6. CFI Query Identification String ................................................23
Table 7. System Interface String........................................................... 24
Table 8. Device Geometry Definition .................................................... 24
Table 9. Primary Vendor-Specific Extended Query ..............................25
CC
Write Inhibit ...................................................................23
Am42BDS6408H Boot Sector/Sector Block
Sector Protection Schemes .....................................................18
TM
IO
Sector Addresses .....................................................22
) Control .......................................................... 12
A D V A N C E
Addresses for Protec-
Am42BDS6408H
I N F O R M A T I O N
Command Definitions . . . . . . . . . . . . . . . . . . . . . 30
Write Operation Status . . . . . . . . . . . . . . . . . . . . 43
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 48
Reading Array Data ...................................................................... 30
Set Configuration Register Command Sequence ........................ 30
Read Mode Setting ...................................................................... 30
Programmable Wait State Configuration ...................................... 30
Reduced Wait-state Handshaking Option .................................... 31
Standard Handshaking Option ..................................................... 32
Read Mode Configuration ............................................................ 32
Burst Active Clock Edge Configuration ........................................ 33
RDY Configuration ....................................................................... 33
Reset Command .......................................................................... 33
Autoselect Command Sequence .................................................. 34
Enter SecSi™ Sector/Exit SecSi Sector
Command Sequence ................................................................... 34
Program Command Sequence ..................................................... 34
Unlock Bypass Command Sequence ........................................... 35
Chip Erase Command Sequence ................................................. 35
Sector Erase Command Sequence .............................................. 36
Erase Suspend/Erase Resume Commands ................................ 36
Password Program Command ..................................................... 37
Password Verify Command .......................................................... 37
Password Protection Mode Locking Bit Program Command ....... 37
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 ................................................................... 38
Password Unlock Command ........................................................ 38
PPB Program Command .............................................................. 38
All PPB Erase Command ............................................................. 39
DYB Write Command ................................................................... 39
PPB Status Command ................................................................. 39
PPB Lock Bit Status Command ................................................... 39
DYB Status Command ................................................................. 39
Command Definitions ................................................................... 40
DQ7: Data# Polling ...................................................................... 43
DQ6: Toggle Bit I .......................................................................... 44
DQ2: Toggle Bit II ......................................................................... 45
Reading Toggle Bits DQ6/DQ2 .................................................... 46
DQ5: Exceeded Timing Limits ...................................................... 46
DQ3: Sector Erase Timer ............................................................. 46
..................................................................................................... 45
Table 10. Sector Address Table ........................................................... 26
Figure 3. Synchronous/Asynchronous State Diagram.......................... 30
Table 11. Programmable Wait State Settings ....................................... 31
Table 12. Wait States for Reduced wait-state Handshaking ............... 32
Table 13. Wait States for Standard Handshaking ................................. 32
Table 14. Read Mode Settings ............................................................. 33
Table 15. Configuration Register .......................................................... 33
Figure 4. Program Operation ................................................................ 35
Figure 5. Erase Operation .................................................................... 37
Table 16. Command Definitions .......................................................... 40
Figure 6. Data# Polling Algorithm ......................................................... 43
Figure 7. Toggle Bit Algorithm .............................................................. 45
Table 17. DQ6 and DQ2 Indications ..................................................... 46
Table 18. Write Operation Status ......................................................... 47
Figure 8. Maximum Negative Overshoot Waveform............................. 48
Figure 9. Maximum Positive Overshoot Waveform .............................. 48
October 23, 2003