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AM29LV004BB-90EI 데이터시트(PDF) 4 Page - Advanced Micro Devices |
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AM29LV004BB-90EI 데이터시트(HTML) 4 Page - Advanced Micro Devices |
4 / 40 page Am29LV004B 3 TABLE OF CONTENTS Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . 5 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 7 Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 8 Table 1. Am29LV004B Device Bus Operations ................................ 8 Requirements for Reading Array Data ..................................... 8 Writing Commands/Command Sequences .............................. 8 Program and Erase Operation Status ...................................... 9 Standby Mode .......................................................................... 9 Automatic Sleep Mode ............................................................. 9 RESET#: Hardware Reset Pin ................................................. 9 Output Disable Mode ................................................................ 9 Table 2. Am29LV004BT Top Boot Block Sector Address Table..... 10 Table 3. Am29LV004BB Bottom Boot Block Sector Address Table 10 Autoselect Mode ..................................................................... 11 Table 4. Am29LV004B Autoselect Codes (High Voltage Method).. 11 Sector Protection/Unprotection ............................................... 11 Temporary Sector Unprotect .................................................. 11 Figure 1. In-System Sector Protect/Unprotect 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 ..................................................................... 14 Autoselect Command Sequence ............................................ 14 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 Erase Suspend/Erase Resume Commands ........................... 16 Figure 4. Erase Operation ...............................................................16 Command Definitions ............................................................. 17 Table 5. Am29LV004B Command Definitions................................. 17 Write Operation Status . . . . . . . . . . . . . . . . . . . . . 18 DQ7: Data# Polling ................................................................. 18 Figure 5. Data# Polling Algorithm ...................................................18 RY/BY#: Ready/Busy# ........................................................... 19 DQ6: Toggle Bit I .................................................................... 19 DQ2: Toggle Bit II ................................................................... 19 Reading Toggle Bits DQ6/DQ2 ............................................... 19 DQ5: Exceeded Timing Limits ................................................ 20 DQ3: Sector Erase Timer ....................................................... 20 Figure 6. Toggle Bit Algorithm ........................................................ 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 Hardware Reset (RESET#) .................................................... 27 Figure 14. RESET# Timings .......................................................... 27 Erase/Program Operations ..................................................... 28 Figure 15. Program Operation Timings .......................................... 29 Figure 16. Chip/Sector Erase Operation Timings .......................... 30 Figure 17. Data# Polling Timings (During Embedded Algorithms) . 31 Figure 18. Toggle Bit Timings (During Embedded Algorithms) ...... 31 Figure 19. DQ2 vs. DQ6 ................................................................. 32 Temporary Sector Unprotect .................................................. 32 Figure 20. Temporary Sector Unprotect Timing Diagram .............. 32 Figure 21. Sector Protect/Unprotect Timing Diagram .................... 33 Alternate CE# Controlled Erase/Program Operations ............ 34 Figure 22. Alternate CE# Controlled Write Operation Timings ...... 35 Erase and Programming Performance . . . . . . . 36 Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 36 TSOP and SO Pin Capacitance . . . . . . . . . . . . . . 36 Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 37 TS 040—40-Pin Standard TSOP ............................................ 37 TSR040—40-Pin Reverse TSOP ........................................... 38 Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 39 Revision A (January 1998) ..................................................... 39 Revision B (June 1998) .......................................................... 39 Revision C (January 1999) ..................................................... 39 Revision D (November 18, 1999) ........................................... 39 Revision D+1 (November 13, 2000) ....................................... 39 |
유사한 부품 번호 - AM29LV004BB-90EI |
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