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AM29LV008B Fiches technique(PDF) 5 Page - Advanced Micro Devices

No de pièce AM29LV008B
Description  8 Megabit (1 M x 8-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
Download  41 Pages
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Fabricant  AMD [Advanced Micro Devices]
Site Internet  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM29LV008B Fiches technique(HTML) 5 Page - Advanced Micro Devices

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October 11, 2006 21524D6
Am29LV008B
5
D A TA SH EE T
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 6
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . 7
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 9
Table 1. Am29LV008B Device Bus Operations ................................9
Requirements for Reading Array Data ..................................... 9
Writing Commands/Command Sequences .............................. 9
Program and Erase Operation Status .................................... 10
Standby Mode ........................................................................ 10
Automatic Sleep Mode ........................................................... 10
RESET#: Hardware Reset Pin ............................................... 10
Output Disable Mode .............................................................. 10
Table 2. Am29LV008BT Top Boot Sector Address Table ...............11
Table 3. Am29LV008BB Bottom Boot Sector Address Table .........11
Autoselect Mode ..................................................................... 12
Table 4. Am29LV008B Autoselect Codes (High Voltage Method) ..12
Sector Protection/Unprotection ............................................... 12
Figure 1. In-System Sector Protect/Sector Unprotect Algorithms ... 13
Temporary Sector Unprotect .................................................. 14
Figure 2. Temporary Sector Unprotect Operation........................... 14
Hardware Data Protection ...................................................... 14
Low VCC Write Inhibit .............................................................. 14
Write Pulse “Glitch” Protection ............................................... 14
Logical Inhibit .......................................................................... 14
Power-Up Write Inhibit ............................................................ 14
Command Definitions . . . . . . . . . . . . . . . . . . . . . . 15
Reading Array Data ................................................................ 15
Reset Command ..................................................................... 15
Autoselect Command Sequence ............................................ 15
Byte Program Command Sequence ....................................... 15
Unlock Bypass Command Sequence ..................................... 16
Figure 3. Program Operation .......................................................... 16
Chip Erase Command Sequence ........................................... 16
Sector Erase Command Sequence ........................................ 17
Erase Suspend/Erase Resume Commands ........................... 17
Figure 4. Erase Operation............................................................... 18
Command Definitions ............................................................. 19
Table 5. Am29LV008B Command Definitions .................................19
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 20
DQ7: Data# Polling ................................................................. 20
Figure 5. Data# Polling Algorithm ................................................... 20
RY/BY#: Ready/Busy# ........................................................... 21
DQ6: Toggle Bit I .................................................................... 21
DQ2: Toggle Bit II ................................................................... 21
Reading Toggle Bits DQ6/DQ2 .............................................. 21
Figure 6. Toggle Bit Algorithm......................................................... 22
DQ5: Exceeded Timing Limits ................................................ 22
DQ3: Sector Erase Timer ....................................................... 22
Table 6. Write Operation Status ..................................................... 23
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 24
Figure 7. Maximum Negative Overshoot Waveform ...................... 24
Figure 8. Maximum Positive Overshoot Waveform........................ 24
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 24
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 9. ICC1 Current vs. Time (Showing Active and
Automatic Sleep Currents) ............................................................. 26
Figure 10. Typical ICC1 vs. Frequency ........................................... 26
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 11. Test Setup..................................................................... 27
Table 7. Test Specifications ........................................................... 27
Figure 12. Input Waveforms and Measurement Levels ................. 27
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 28
Read Operations .................................................................... 28
Figure 13. Read Operations Timings ............................................. 28
Hardware Reset (RESET#) .................................................... 29
Figure 14. RESET# Timings .......................................................... 29
Erase/Program Operations ..................................................... 30
Figure 15. Program Operation Timings.......................................... 31
Figure 16. Chip/Sector Erase Operation Timings .......................... 32
Figure 17. Data# Polling Timings (During Embedded Algorithms). 33
Figure 18. Toggle Bit Timings (During Embedded Algorithms)...... 33
Figure 19. DQ2 vs. DQ6................................................................. 34
Temporary Sector Unprotect .................................................. 34
Figure 20. Temporary Sector Unprotect Timing Diagram .............. 34
Figure 21. Sector Protect/Unprotect Timing Diagram .................... 35
Alternate CE# Controlled Erase/Program Operations ............ 36
Figure 22. Alternate CE# Controlled Write Operation Timings ...... 37
Erase and Programming Performance . . . . . . . 38
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 38
TSOP Pin Capacitance . . . . . . . . . . . . . . . . . . . . . 38
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 39
TS 040—40-Pin Standard TSOP ............................................ 39
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 40
Revision A (October 1997) ..................................................... 40
Revision B (January 1998) ..................................................... 40
Revision B+1 (March 1998) .................................................... 40
Revision C (January 1999) ..................................................... 40
Revision D (November 19, 1999) ........................................... 40
Revision D+1 (August 14, 2000) ............................................. 40
Revision D+2 (November 10, 2000) ....................................... 40
Revision D+3 (June 11, 2004) ................................................ 40
Revision D4 (February 21, 2006) ............................................ 40
Revision D5 (September 12, 2006) ........................................ 40


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