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AM29LV320DT90EI датащи(PDF) 5 Page - SPANSION

номер детали AM29LV320DT90EI
подробное описание детали  32 Megabit (4 M x 8-Bit/2 M x 16-Bit) CMOS 3.0 Volt-only, Boot Sector Flash Memory
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AM29LV320DT90EI датащи(HTML) 5 Page - SPANSION

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November 15, 2004
Am29LV320D
5
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 6
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . 7
Special Package Handling Instructions .................................... 8
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Ordering Information . . . . . . . . . . . . . . . . . . . . . . 10
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . 11
Table 1. Am29LV320D Device Bus Operations ..............................11
Word/Byte Configuration ........................................................ 11
Requirements for Reading Array Data ................................... 11
Writing Commands/Command Sequences ............................ 12
Accelerated Program Operation .......................................... 12
Autoselect Functions ........................................................... 12
Standby Mode ........................................................................ 12
Automatic Sleep Mode ........................................................... 13
RESET#: Hardware Reset Pin ............................................... 13
Output Disable Mode .............................................................. 13
Table 2. Top Boot Sector Addresses (Am29LV320DT) ..................13
Table 3. Top Boot SecSi
TM Sector Addresses................................ 14
Table 4. Bottom Boot Sector Addresses (Am29LV320DB) .............15
Table 5. Bottom Boot SecSi
TM Sector Addresses .......................... 16
Autoselect Mode ..................................................................... 16
Table 6. Autoselect Codes (High Voltage Method) ........................16
Sector/Sector Block Protection and Unprotection .................. 17
Table 7. Top Boot Sector/Sector Block Addresses
for Protection/Unprotection .............................................................17
Table 8. Bottom Boot Sector/Sector Block
Addresses for Protection/Unprotection ...........................................17
Write Protect (WP#) ................................................................ 18
Temporary Sector Unprotect .................................................. 18
Figure 1. Temporary Sector Unprotect Operation........................... 18
Figure 2. In-System Sector Protect/Unprotect Algorithms .............. 19
SecSi
TM Sector (Secured Silicon) Flash Memory Region ....... 20
Factory Locked: SecSi Sector Programmed
and Protected at the Factory ............................................... 20
Customer Lockable: SecSi Sector NOT Programmed
or Protected at the Factory .................................................. 20
Figure 3. SecSi Sector Protect Verify.............................................. 21
Hardware Data Protection ...................................................... 21
Low VCC Write Inhibit ......................................................... 21
Write Pulse “Glitch” Protection ............................................ 21
Logical Inhibit ...................................................................... 21
Power-Up Write Inhibit ......................................................... 21
Common Flash Memory Interface (CFI) . . . . . . . 21
Table 9. CFI Query Identification String .......................................... 22
Table 10. System Interface String................................................... 22
Table 11. Device Geometry Definition ............................................ 23
Table 12. Primary Vendor-Specific Extended Query ...................... 24
Command Definitions . . . . . . . . . . . . . . . . . . . . . . 25
Reading Array Data ................................................................ 25
Reset Command ..................................................................... 25
Autoselect Command Sequence ............................................ 25
Table 13. Autoselect Codes ............................................................25
Enter SecSi
TM Sector/Exit SecSi Sector
Command Sequence .............................................................. 26
Byte/Word Program Command Sequence ............................. 26
Unlock Bypass Command Sequence .................................. 26
Figure 4. Program Operation ......................................................... 27
Chip Erase Command Sequence ........................................... 27
Sector Erase Command Sequence ........................................ 27
Erase Suspend/Erase Resume Commands ........................... 28
Figure 5. Erase Operation.............................................................. 28
Command Definitions ............................................................. 29
Table 14. Am29LV320D Command Definitions ............................. 29
Write Operation Status . . . . . . . . . . . . . . . . . . . . 30
DQ7: Data# Polling ................................................................. 30
Figure 6. Data# Polling Algorithm .................................................. 30
RY/BY#: Ready/Busy# ............................................................ 31
DQ6: Toggle Bit I .................................................................... 31
Figure 7. Toggle Bit Algorithm........................................................ 31
DQ2: Toggle Bit II ................................................................... 32
Reading Toggle Bits DQ6/DQ2 ............................................... 32
DQ5: Exceeded Timing Limits ................................................ 32
DQ3: Sector Erase Timer ....................................................... 32
Table 15. Write Operation Status ................................................... 33
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 34
Figure 8. Maximum Negative Overshoot Waveform ...................... 34
Figure 9. Maximum Positive Overshoot Waveform........................ 34
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . 34
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 10. I
CC1 Current vs. Time (Showing Active and
Automatic Sleep Currents) ............................................................. 36
Figure 11. Typical I
CC1 vs. Frequency ............................................ 36
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 12. Test Setup.................................................................... 37
Table 16. Test Specifications ......................................................... 37
Figure 13. Input Waveforms and Measurement Levels ................. 37
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 14. Read Operation Timings ............................................... 38
Figure 15. Reset Timings ............................................................... 39
Word/Byte Configuration (BYTE#) ............................................. 40
Figure 16. BYTE# Timings for Read Operations............................ 40
Figure 17. BYTE# Timings for Write Operations............................ 40
Erase and Program Operations ................................................. 41
Figure 18. Program Operation Timings.......................................... 42
Figure 19. Chip/Sector Erase Operation Timings .......................... 43
Figure 20. Data# Polling Timings (During Embedded Algorithms). 44
Figure 21. Toggle Bit Timings (During Embedded Algorithms)...... 45
Figure 22. DQ2 vs. DQ6................................................................. 45
Temporary Sector Unprotect ..................................................... 46
Figure 23. Temporary Sector Unprotect Timing Diagram .............. 46
Figure 24. Accelerated Program Timing Diagram .......................... 46
Figure 25. Sector/Sector Block Protect and
Unprotect Timing Diagram ............................................................. 47
Alternate CE# Controlled Erase and Program Operations ........ 48
Figure 26. Alternate CE# Controlled Write
(Erase/Program) Operation Timings .............................................. 49
Erase And Programming Performance . . . . . . . 50
Latchup Characteristics . . . . . . . . . . . . . . . . . . . 50
TSOP and BGA Package Capacitance . . . . . . . . 50
Data Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 51
FBD048—48-ball Fine-Pitch Ball Grid Array (FBGA)
6 x 12 mm package ................................................................... 51
TS 048—48-Pin Standard TSOP ............................................... 52
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 53


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