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AM29LV642D 데이터시트(Datasheet) 4 Page - Advanced Micro Devices

부품명 AM29LV642D
상세내용  128 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/O Control
PDF  53 Pages
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제조사  AMD [Advanced Micro Devices]
홈페이지  http://www.amd.com
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 4 page
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Am29LV642D
3
P R E L I M I NARY
TABLE OF CONTENTS
Distinctive Characteristics . . . . . . . . . . . . . . . . . . 1
General Description . . . . . . . . . . . . . . . . . . . . . . . . 2
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connection Diagram . . . . . . . . . . . . . . . . . . . . . . . . 6
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 9
Table 1. Am29LV642D Device Bus Operations ................................9
VersatileI/O
 (V
IO) Control ...................................................... 9
Requirements for Reading Array Data ..................................... 9
Writing Commands/Command Sequences ............................ 10
Accelerated Program Operation ............................................. 10
Autoselect Functions .............................................................. 10
Standby Mode ........................................................................ 10
Automatic Sleep Mode ........................................................... 10
RESET#: Hardware Reset Pin ............................................... 10
Output Disable Mode .............................................................. 11
Table 2. Sector Address Table for CE# ..........................................11
Table 3. Sector Address Table for CE2# ........................................15
Autoselect Mode ..................................................................... 19
Table 4. Am29LV642D Autoselect Codes, (High Voltage Method) 19
Sector Group Protection and Unprotection ............................. 20
Table 5. Sector Group Protection/Unprotection Address Table .....20
Temporary Sector Group Unprotect ....................................... 21
Figure 1. Temporary Sector Group Unprotect Operation................ 21
Figure 2. In-System Sector Group Protect/Unprotect Algorithms ... 22
Hardware Data Protection ...................................................... 23
Low VCC Write Inhibit ............................................................ 23
Write Pulse “Glitch” Protection ............................................... 23
Logical Inhibit .......................................................................... 23
Power-Up Write Inhibit ............................................................ 23
Common Flash Memory Interface (CFI) . . . . . . . 23
Table 6. CFI Query Identification String .......................................... 23
System Interface String................................................................... 24
Table 8. Device Geometry Definition .............................................. 24
Table 9. Primary Vendor-Specific Extended Query ........................ 25
Command Definitions . . . . . . . . . . . . . . . . . . . . . 25
Reading Array Data ................................................................ 25
Reset Command ..................................................................... 26
Autoselect Command Sequence ............................................ 26
Word Program Command Sequence ..................................... 26
Unlock Bypass Command Sequence ..................................... 26
Figure 3. Program Operation .......................................................... 27
Chip Erase Command Sequence ........................................... 27
Sector Erase Command Sequence ........................................ 28
Erase Suspend/Erase Resume Commands ........................... 28
Figure 4. Erase Operation............................................................... 29
Am29LV642D Command Definitions .............................................. 30
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 31
DQ7: Data# Polling ................................................................. 31
Figure 5. Data# Polling Algorithm .................................................. 31
RY/BY#: Ready/Busy# ............................................................ 32
DQ6: Toggle Bit I .................................................................... 32
Figure 6. Toggle Bit Algorithm........................................................ 32
DQ2: Toggle Bit II ................................................................... 33
Reading Toggle Bits DQ6/DQ2 ............................................... 33
DQ5: Exceeded Timing Limits ................................................ 33
DQ3: Sector Erase Timer ....................................................... 33
Table 11. Write Operation Status ................................................... 34
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 35
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . 35
Industrial (I) Devices ............................................. 35
Extended (E) Devices ........................................... 35
V
CC Supply Voltages ............................................ 35
Figure 7. Maximum Negative Overshoot Waveform ..................... 35
Figure 8. Maximum Positive Overshoot Waveform ....................... 35
DC Characteristics (for Two Am29LV640
devices) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 9. I
CC1 Current vs. Time (Showing Active and
Automatic Sleep Currents) ............................................................. 37
Figure 10. Typical I
CC1 vs. Frequency ............................................ 37
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 11. Test Setup.................................................................... 38
Table 12. Test Specifications ......................................................... 38
Figure 12. Input Waveforms and Measurement Levels ................. 38
Key to Switching Waveforms. . . . . . . . . . . . . . . . 38
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 39
Read-Only Operations ........................................................... 39
Figure 13. Read Operation Timings ............................................... 39
Hardware Reset (RESET#) .................................................... 40
Figure 14. Reset Timings ............................................................... 40
Erase and Program Operations .............................................. 41
Figure 15. Program Operation Timings.......................................... 42
Figure 16. Accelerated Program Timing Diagram .......................... 42
Figure 17. Chip/Sector Erase Operation Timings .......................... 43
Figure 18. Data# Polling Timings (During Embedded Algorithms). 44
Figure 19. Toggle Bit Timings (During Embedded Algorithms)...... 45
Figure 20. DQ2 vs. DQ6................................................................. 45
Temporary Sector Unprotect .................................................. 46
Figure 21. Temporary Sector Group Unprotect Timing Diagram ... 46
Figure 22. Sector Group Protect and Unprotect Timing Diagram .. 47
Figure 23. Alternate CE# Controlled Write
(Erase/Program) Operation Timings .............................................. 49
Erase And Programming Performance . . . . . . . 50
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 50
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 51
LSA064—64-Ball Fortified Ball Grid Array (Fortified BGA)
13 x 11 mm package .............................................................. 51
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 52
Revision A (August 14, 2001) ................................................. 52




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