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AM29LV008B Fiches technique(PDF) 5 Page - Advanced Micro Devices |
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AM29LV008B Fiches technique(HTML) 5 Page - Advanced Micro Devices |
5 / 41 page 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 |
Numéro de pièce similaire - AM29LV008B_06 |
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Description similaire - AM29LV008B_06 |
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