參數(shù)資料
型號： AM29DL640D90WHEN
廠商： Advanced Micro Devices, Inc.
英文描述： 64 Megabit CMOS 3.0 Volt-only, Simultaneous Read/Write Flash Memory
中文描述： 64兆位的CMOS 3.0伏只，同步讀/寫閃存
文件頁數(shù)： 4/54頁
文件大小： 1184K
代理商： AM29DL640D90WHEN
October 7, 2004
Am29DL640D
3
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 5
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . .6
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . .8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . .9
Table 1. Am29DL640D Device Bus Operations ................................9
Requirements for Reading Array Data .....................................9
Writing Commands/Command Sequences ............................10
Accelerated Program Operation .............................................10
Autoselect Functions ..............................................................10
Simultaneous Read/Write Operations with Zero Latency .......10
Automatic Sleep Mode ...........................................................11
RESET#: Hardware Reset Pin ...............................................11
Output Disable Mode ..............................................................11
Table 2. Am29DL640D Sector Architecture ....................................11
Table 3. Bank Address ....................................................................14
Table 5. Am29DL640D Autoselect Codes, (High Voltage Method) 15
Table 6. Am29DL640D Boot Sector/Sector Block Addresses for Pro-
tection/Unprotection ........................................................................16
Write Protect (WP#) ................................................................17
Table 7. WP#/ACC Modes ..............................................................17
Temporary Sector Unprotect ..................................................17
Figure 1. Temporary Sector Unprotect Operation........................... 17
Figure 2. In-System Sector Protect/Unprotect Algorithms .............. 18
SecSi (Secured Silicon) Sector
Flash Memory Region ............................................................19
Figure 3. SecSi Sector Protect Verify.............................................. 20
Hardware Data Protection ......................................................20
Low VCC Write Inhibit ............................................................20
Write Pulse “Glitch” Protection ...............................................20
Logical Inhibit ..........................................................................20
Power-Up Write Inhibit ............................................................20
Common Flash Memory Interface (CFI) . . . . . . .20
Command Definitions . . . . . . . . . . . . . . . . . . . . . .24
Reading Array Data ................................................................24
Reset Command .....................................................................24
Autoselect Command Sequence ............................................24
Enter SecSi Sector/Exit SecSi Sector
Command Sequence ..............................................................24
Byte/Word Program Command Sequence .............................25
Unlock Bypass Command Sequence .....................................25
Figure 4. Program Operation .......................................................... 26
Chip Erase Command Sequence ...........................................26
Sector Erase Command Sequence ........................................26
Erase Suspend/Erase Resume Commands ...........................27
Figure 5. Erase Operation............................................................... 27
Write Operation Status . . . . . . . . . . . . . . . . . . . . .29
DQ7: Data# Polling .................................................................29
Figure 6. Data# Polling Algorithm ................................................... 29
DQ6: Toggle Bit I ....................................................................30
Figure 7. Toggle Bit Algorithm......................................................... 30
DQ2: Toggle Bit II ...................................................................31
Reading Toggle Bits DQ6/DQ2 ..............................................31
DQ5: Exceeded Timing Limits ................................................31
DQ3: Sector Erase Timer .......................................................31
Table 13. Write Operation Status ................................................... 32
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 33
Figure 8. Maximum Negative Overshoot Waveform...................... 33
Figure 9. Maximum Positive Overshoot Waveform........................ 33
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 10. I
CC1
Current vs. Time (Showing Active and
Automatic Sleep Currents)............................................................. 35
Figure 11. Typical I
vs. Frequency............................................ 35
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 12. Test Setup.................................................................... 36
Figure 13. Input Waveforms and Measurement Levels ................. 36
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 37
Read-Only Operations ...........................................................37
Figure 14. Read Operation Timings............................................... 37
Hardware Reset (RESET#) ....................................................38
Figure 15. Reset Timings............................................................... 38
Word/Byte Configuration (BYTE#) ..........................................39
Figure 16. BYTE# Timings for Read Operations............................ 39
Figure 17. BYTE# Timings for Write Operations............................ 39
Erase and Program Operations ..............................................40
Figure 18. Program Operation Timings.......................................... 41
Figure 19. Accelerated Program Timing Diagram.......................... 41
Figure 20. Chip/Sector Erase Operation Timings .......................... 42
Figure 21. Back-to-back Read/Write Cycle Timings ...................... 43
Figure 22. Data# Polling Timings (During Embedded Algorithms). 43
Figure 23. Toggle Bit Timings (During Embedded Algorithms)...... 44
Figure 24. DQ2 vs. DQ6................................................................. 44
Temporary Sector Unprotect ..................................................45
Figure 25. Temporary Sector Unprotect Timing Diagram .............. 45
Figure 26. Sector/Sector Block Protect and
Unprotect Timing Diagram............................................................. 46
Alternate CE# Controlled Erase and Program Operations .....47
Figure 27. Alternate CE# Controlled Write (Erase/Program)
Operation Timings.......................................................................... 48
Erase And Programming Performance . . . . . . . 49
Latchup Characteristics. . . . . . . . . . . . . . . . . . . . 49
TSOP Pin Capacitance . . . . . . . . . . . . . . . . . . . . . 49
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 50
FBE063—63-Ball Fine-Pitch Ball Grid Array (FBGA)
12 x 11 mm package ..............................................................50
TS 048—48-Pin Standard TSOP ............................................51
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 52
Revision A (March 5, 2001) ....................................................52
Revision A+1 (March 9, 2001) ................................................52
Revision B (August 10, 2001) .................................................52
Revision B+1 (August 30, 2001) .............................................52
Revision B+2 (October 11, 2001) ...........................................52
Revision B+3 (November 5, 2001) .........................................52
Revision B+4 (April 15, 2002) .................................................52
Revision B+5 (August 19, 2002) .............................................52
Revision C (January 10, 2003) ...............................................53
Revision C+1 (September 15, 2004) ......................................53
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