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AM29F080B-120EF Datasheet(PDF) 5 Page - Advanced Micro Devices |
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AM29F080B-120EF Datasheet(HTML) 5 Page - Advanced Micro Devices |
5 / 39 page November 1, 2006 21503G5 Am29F080B 3 D A TA SH EE T 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. Am29F080B Device Bus Operations ..................................8 Requirements for Reading Array Data ..................................... 8 Writing Commands/Command Sequences .............................. 8 Program and Erase Operation Status ...................................... 8 Standby Mode .......................................................................... 9 RESET#: Hardware Reset Pin ................................................. 9 Output Disable Mode ................................................................ 9 Table 1. Am29F080B Sector Address Table ...................................10 Autoselect Mode ..................................................................... 10 Table 2. Am29F080B Autoselect Codes (High Voltage Method) ....10 Sector Group Protection/Unprotection .................................... 11 Table 3. Sector Group Addresses ...................................................11 Temporary Sector Group Unprotect ....................................... 11 Figure 1. Temporary Sector Group Unprotect Operation ................11 Hardware Data Protection ...................................................... 12 Low VCC Write Inhibit ......................................................................12 Write Pulse “Glitch” Protection ........................................................12 Logical Inhibit ..................................................................................12 Power-Up Write Inhibit ....................................................................12 Command Definitions . . . . . . . . . . . . . . . . . . . . . . 12 Reading Array Data ................................................................ 12 Reset Command ..................................................................... 12 Autoselect Command Sequence ............................................ 12 Byte Program Command Sequence ....................................... 13 Figure 2. Program Operation ..........................................................13 Chip Erase Command Sequence ........................................... 13 Sector Erase Command Sequence ........................................ 14 Erase Suspend/Erase Resume Commands ........................... 14 Figure 3. Erase Operation ...............................................................15 Command Definitions ............................................................. 16 Table 4. Am29F080B Command Definitions ..................................16 Write Operation Status . . . . . . . . . . . . . . . . . . . . . 17 DQ7: Data# Polling ................................................................. 17 Figure 4. Data# Polling Algorithm ...................................................17 RY/BY#: Ready/Busy# ........................................................... 18 DQ6: Toggle Bit I .................................................................... 18 DQ2: Toggle Bit II ................................................................... 18 Reading Toggle Bits DQ6/DQ2 .............................................. 18 DQ5: Exceeded Timing Limits ................................................ 19 DQ3: Sector Erase Timer ....................................................... 19 Figure 5. Toggle Bit Algorithm .........................................................19 Table 5. Write Operation Status ......................................................20 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . 21 Figure 6. Maximum Negative Overshoot Waveform ...................... 21 Figure 7. Maximum Negative Overshoot Waveform ...................... 21 Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . 21 DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 22 TTL/NMOS Compatible .......................................................... 22 CMOS Compatible .................................................................. 22 Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 8. Test Setup ....................................................................... 23 Table 2. Test Specifications ........................................................... 23 Key to Switching Waveforms . . . . . . . . . . . . . . . 23 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 24 Read-only Operations ............................................................. 24 Figure 9. Read Operation Timings ................................................. 24 Hardware Reset (RESET#) .................................................... 25 Figure 10. RESET# Timings .......................................................... 25 Erase and Program Operations .............................................. 26 Figure 11. Program Operation Timings .......................................... 27 Figure 12. Chip/Sector Erase Operation Timings .......................... 28 Figure 13. Data# Polling Timings (During Embedded Algorithms) . 29 Figure 14. Toggle Bit Timings (During Embedded Algorithms) ...... 29 Figure 15. DQ2 vs. DQ6 ................................................................. 30 Temporary Sector Unprotect .................................................. 30 Figure 16. Temporary Sector Group Unprotect Timing Diagram ... 30 Erase and Program Operations .............................................. 31 Alternate CE# Controlled Writes .................................................... 31 Figure 17. Alternate CE# Controlled Write Operation Timings ...... 32 Erase and Programming Performance . . . . . . 33 Latchup Characteristic . . . . . . . . . . . . . . . . . . . . 33 TSOP and SO Pin Capacitance . . . . . . . . . . . . . 33 Data Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 34 SO 044—44-Pin Small Outline Package ................................ 34 TS 040—40-Pin Standard Thin Small Outline Package ......... 35 Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 36 Revision A (July 1997) ............................................................ 36 Revision B (January 1998) ..................................................... 36 Revision C (January 1998) ..................................................... 36 Revision D (May 1998) ........................................................... 36 Revision E (January 1999) ..................................................... 36 Revision E+1 (March 23, 1999) .............................................. 36 Revision E+2 (April 9, 1999) ................................................... 36 Revision F (November 15, 1999) ............................................ 36 Revision F+1 (May 18, 2000) ................................................. 36 Revision G (December 4, 2000) ............................................. 36 Revision G+1 (January 3, 2002) ............................................. 37 Revision G+2 (June 14, 2004) ................................................ 37 Revision G3 (December 22, 2005) ......................................... 37 Revision G4 (May 19, 2006) ................................................... 37 Revision G5 (November 1, 2006) ........................................... 37 |
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