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AM29SL400DT120WAD Scheda tecnica(PDF) 5 Page - SPANSION |
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5 / 41 page April 13, 2005 Rev. A Amend. +1 Am29SL400D 3 ADV ANCE I N FO RMAT I O N TABLE OF CONTENTS Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Special Handling Instructions for FBGA Packages .................. 5 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 7 Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 8 Table 1. Am29SL400D Device Bus Operations ................................8 Word/Byte Configuration .......................................................... 8 Requirements for Reading Array Data ..................................... 8 Writing Commands/Command Sequences .............................. 9 Program and Erase Operation Status ...................................... 9 Standby Mode .......................................................................... 9 Automatic Sleep Mode ............................................................. 9 RESET#: Hardware Reset Pin ................................................. 9 Output Disable Mode .............................................................. 10 Table 2. Am29SL400DT Top Boot Block Sector Address Table .....10 Table 3. Am29SL400DB Bottom Boot Block Sector Address Table 10 Autoselect Mode ..................................................................... 11 Table 4. Am29SL400D Autoselect Codes (High Voltage Method) ..11 Sector Protection/Unprotection ............................................... 11 Temporary Sector Unprotect .................................................. 11 Figure 1. In-system Sector Protection/Unprotection Algorithms ..... 12 Figure 2. Temporary Sector Unprotect Operation........................... 13 Hardware Data Protection ...................................................... 13 Low VCC Write Inhibit .............................................................. 13 Write Pulse “Glitch” Protection ............................................... 13 Logical Inhibit .......................................................................... 13 Power-Up Write Inhibit ............................................................ 13 Command Definitions . . . . . . . . . . . . . . . . . . . . . 13 Reading Array Data ................................................................ 13 Reset Command ..................................................................... 13 Autoselect Command Sequence ............................................ 14 Word/Byte Program Command Sequence ............................. 14 Unlock Bypass Command Sequence ..................................... 14 Figure 3. Program Operation .......................................................... 15 Chip Erase Command Sequence ........................................... 15 Sector Erase Command Sequence ........................................ 15 Figure 4. Erase Operation............................................................... 16 Table 5. Am29SL400D Command Definitions ................................17 Write Operation Status ........................................................... 18 DQ7: Data# Polling ................................................................. 18 Figure 5. Data# Polling Algorithm ................................................... 18 RY/BY#: Ready/Busy# ........................................................... 18 DQ6: Toggle Bit I .................................................................... 19 DQ2: Toggle Bit II ................................................................... 19 Reading Toggle Bits DQ6/DQ2 ............................................... 19 Figure 6. Toggle Bit Algorithm........................................................ 20 DQ5: Exceeded Timing Limits ................................................ 20 DQ3: Sector Erase Timer ....................................................... 20 Table 6. Write Operation Status ..................................................... 21 Absolute Maximum Ratings . . . . . . . . . . . . . . . . 22 Figure 7. Maximum Negative Overshoot Waveform ...................... 22 Figure 8. Maximum Positive Overshoot Waveform........................ 22 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 22 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 9. ICC1 Current vs. Time (Showing Active and Automatic Sleep Currents) .............................................................................. 24 Figure 10. Typical ICC1 vs. Frequency ........................................... 24 Test Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 11. Test Setup..................................................................... 25 Table 7. Test Specifications ........................................................... 25 Key to Switching Waveforms .................................................. 25 Figure 12. Input Waveforms and Measurement Levels ................. 25 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 26 Read Operations .................................................................... 26 Figure 13. Read Operations Timings ............................................. 26 Figure 14. RESET# Timings .......................................................... 27 Word/Byte Configuration (BYTE#) ........................................ 28 Figure 15. BYTE# Timings for Read Operations............................ 28 Figure 16. BYTE# Timings for Write Operations............................ 28 Erase/Program Operations ..................................................... 29 Figure 17. Program Operation Timings.......................................... 30 Figure 18. Chip/Sector Erase Operation Timings .......................... 31 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . 32 Figure 19. Data# Polling Timings (During Embedded Algorithms). 32 Figure 20. Toggle Bit Timings (During Embedded Algorithms)...... 32 Figure 21. DQ2 vs. DQ6................................................................. 33 Temporary Sector Unprotect .................................................. 33 Figure 22. Temporary Sector Unprotect Timing Diagram .............. 33 Figure 23. Sector Protect/Unprotect Timing Diagram .................... 34 Alternate CE# Controlled Erase/Program Operations ............ 35 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 36 Figure 24. Alternate CE# Controlled Write Operation Timings ...... 36 Erase and Programming Performance . . . . . . . 37 Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 37 TSOP Pin and BGA Package Capacitance . . . . . 37 Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 38 FBA048—48-Ball Fine-Pitch Ball Grid Array (FBGA) 6 x 8 mm Package .................................................................................. 38 Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 39 |
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