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AM42BDS640AG ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 4 Page - SPANSION

๋ถ€ํ’ˆ๋ช… AM42BDS640AG
์ƒ์„ธ๋‚ด์šฉ  Stacked Multi-Chip Package (MCP) Flash Memory and SRAM
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AM42BDS640AG ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 4 Page - SPANSION

 
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November 1, 2002
Am42BDS640AG
3
P R E L I M INARY
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
MCP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 5
Flash Memory Block Diagram. . . . . . . . . . . . . . . . 6
Flash Memory Simultaneous Operation Diagram 7
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 8
Special Package Handling Instructions .................................... 8
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ordering Information . . . . . . . . . . . . . . . . . . . . . . 10
MCP Device Bus Operations. . . . . . . . . . . . . . . . 11
Table 1. Device Bus Operations ..................................................... 12
Flash Device Bus Operations . . . . . . . . . . . . . . . 13
Requirements for Asynchronous Read
Operation (Non-Burst) ............................................................ 13
Requirements for Synchronous (Burst) Read Operation ........ 13
8-, 16-, and 32-Word Linear Burst with Wrap Around ......... 13
Table 2. Burst Address Groups .......................................................13
Burst Mode 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 .......................................... 14
Autoselect Functions ........................................................... 15
Standby Mode ........................................................................ 15
Automatic Sleep Mode ........................................................... 15
RESET#: Hardware Reset Input ............................................. 15
Output Disable Mode .............................................................. 15
Hardware Data Protection ...................................................... 15
Write Protect (WP#) ............................................................. 16
Low V
CC Write Inhibit ........................................................... 16
Write Pulse โ€œGlitchโ€ Protection ............................................ 16
Logical Inhibit ...................................................................... 16
Power-Up Write Inhibit ......................................................... 16
Common Flash Memory Interface (CFI) . . . . . . . 16
Table 3. CFI Query Identification String ..........................................16
System Interface String................................................................... 17
Table 5. Device Geometry Definition .............................................. 17
Table 6. Primary Vendor-Specific Extended Query ........................18
Table 7. Sector Address Table ........................................................19
Flash Command Definitions . . . . . . . . . . . . . . . . 23
Reading Array Data ................................................................ 23
Set Burst Mode Configuration Register Command Sequence 23
Figure 1. Synchronous/Asynchronous State Diagram .................... 23
Read Mode Setting .............................................................. 23
Programmable Wait State Configuration ............................. 23
Table 8. Programmable Wait State Settings ...................................24
Handshaking Option ............................................................ 24
Table 9. Initial Access Codes ..........................................................24
Standard Handshaking Operation ....................................... 24
Table 10. Wait States for Standard Handshaking ...........................24
Burst Read Mode Configuration .......................................... 24
Table 11. Burst Read Mode Settings ..............................................25
Burst Active Clock Edge Configuration ................................ 25
RDY Configuration ............................................................... 25
Configuration Register ............................................................ 25
Table 12. Burst Mode Configuration Register .................................25
Sector Lock/Unlock Command Sequence .............................. 25
Reset Command ..................................................................... 25
Autoselect Command Sequence ............................................ 26
Table 13. Device IDs ...................................................................... 26
Program Command Sequence ............................................... 26
Unlock Bypass Command Sequence .................................. 27
Figure 2. Erase Operation.............................................................. 27
Chip Erase Command Sequence ........................................... 27
Sector Erase Command Sequence ........................................ 28
Erase Suspend/Erase Resume Commands ........................... 28
Figure 3. Program Operation ......................................................... 29
Command Definitions ............................................................. 30
Table 14. Command Definitions .................................................... 30
Flash Write Operation Status . . . . . . . . . . . . . . . 31
DQ7: Data# Polling ................................................................. 31
Figure 4. Data# Polling Algorithm .................................................. 31
RDY: Ready ............................................................................ 32
DQ6: Toggle Bit I .................................................................... 32
Figure 5. Toggle Bit Algorithm........................................................ 32
DQ2: Toggle Bit II ................................................................... 32
Table 15. DQ6 and DQ2 Indications .............................................. 33
Reading Toggle Bits DQ6/DQ2 ............................................... 33
DQ5: Exceeded Timing Limits ................................................ 33
DQ3: Sector Erase Timer ....................................................... 34
Table 16. Write Operation Status ................................................... 34
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 35
Figure 6. Maximum Negative Overshoot Waveform ...................... 35
Figure 7. Maximum Positive Overshoot Waveform........................ 35
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 35
Flash DC Characteristics . . . . . . . . . . . . . . . . . . 36
SRAM DC and Operating Characteristics . . . . . 37
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 8. Test Setup....................................................................... 38
Table 17. Test Specifications ......................................................... 38
Key to Switching Waveforms. . . . . . . . . . . . . . . . 38
Figure 9. Input Waveforms and Measurement Levels ................... 38
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 39
SRAM CE#s Timing ................................................................ 39
Figure 10. Timing Diagram for Alternating
Between SRAM and Flash ............................................................. 39
Synchronous/Burst Read ........................................................ 40
Figure 11. CLK Synchronous Burst Mode Read
(rising active CLK).......................................................................... 41
Figure 12. CLK Synchronous Burst Mode Read
(Falling Active Clock) ..................................................................... 42
Figure 13. Synchronous Burst Mode Read .................................... 43
Figure 14. 8-word Linear Burst with Wrap Around ......................... 43
Figure 15. Burst with RDY Set One Cycle Before Data ................. 44
Figure 16. Reduced Wait-State Handshaking Burst Mode Read
Starting at an Even Address .......................................................... 45
Figure 17. Reduced Wait-State Handshaking Burst Mode Read
Starting at an Odd Address............................................................ 46
Asynchronous Read ............................................................... 47
Figure 18. Asynchronous Mode Read with Latched Addresses .... 47
Figure 19. Asynchronous Mode Read............................................ 48
Figure 20. Reset Timings ............................................................... 49
Erase/Program Operations ..................................................... 50
Figure 21. Asynchronous Program Operation Timings .................. 51
Figure 22. Alternate Asynchronous Program Operation Timings... 52
Figure 23. Synchronous Program Operation Timings.................... 53


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