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AM49LV128BMAH11NS Datasheet(PDF) 5 Page - SPANSION |
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AM49LV128BMAH11NS Datasheet(HTML) 5 Page - SPANSION |
5 / 98 page June 17, 2004 Am49LV128BM 3 TABLE OF CONTENTS Continuity of Specifications . . . . . . . . . . . 3 Continuity of Ordering Part Numbers . . . . . 3 For More Information . . . . . . . . . . . . . . . . 3 Distinctive Characteristics . . . . . . . . . . . . . . . . . . . . General Description . . . . . . . . . . . . . . . . . . . . . . 2 Related Documents . . . . . . . . . . . . . . . . . . . . . . . . 2 Product Selector Guide . . . . . . . . . . . . . . . . . . . . . .4 MCP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . .4 Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . .5 Special Package Handling Instructions . . . . 5 Look Ahead pinout . . . . . . . . . . . . . . . . . . . . . . . . . 6 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 9 Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 10 Device Bus Operations . . . . . . . . . . . . . . . . . 10 Requirements for Reading Array Data . . . 10 Writing Commands/Command Sequences 11 Standby Mode ........................................................................ 11 Automatic Sleep Mode . . . . . . . . . . . . . . 11 RESET#: Hardware Reset Pin . . . . . . . . . 12 Output Disable Mode . . . . . . . . . . . . . . . 12 Sector Address Table . . . . . . . . . . . . . . . . . . 12 SecSi (Secured Silicon) Sector Flash Memory Region . . . . . . . . . . . . . . . . . . . . . . . . . 17 SecSi Sector Contents . . . . . . . . . . . . . . . . 18 Sector Group Protection and Unprotection............................. 19 Sector Group Protection/Unprotection Address Table . . . . . . . . . . . . . . . . . . . . . . 19 Write Protect (WP#) ................................................................ 20 Temporary Sector Group Unprotect . . . . . 20 Temporary Sector Group Unprotect Operation 20 In-System Sector Group Protect/Unprotect Algorithms . . . . . . . . . . . . . . . . . . . . . . . . 21 Hardware Data Protection . . . . . . . . . . . 22 Common Flash Memory Interface (CFI). . . . . . . .22 Command Definitions . . . . . . . . . . . . . . . . . . . . . . .24 Reading Array Data . . . . . . . . . . . . . . . . 24 Reset Command . . . . . . . . . . . . . . . . . . 25 Autoselect Command Sequence . . . . . . . 25 Enter SecSi Sector/Exit SecSi Sector Command Sequence . . . . . . . . . . . . . . . 25 Word Program Command Sequence . . . . . 25 Write Buffer Programming Operation . . . . . . . 28 Program Operation . . . . . . . . . . . . . . . . . . . 29 Program Suspend/Program Resume Command Sequence . . . . . . . . . . . . . . . 29 Program Suspend/Program Resume . . . . . . . 30 Chip Erase Command Sequence . . . . . . . 30 Sector Erase Command Sequence . . . . . . 30 Erase Operation . . . . . . . . . . . . . . . . . . . . . 31 Erase Suspend/Erase Resume Commands 31 Command Definitions .............................................................. 32 Write Operation Status . . . . . . . . . . . . . . . . . . . . . 33 DQ7: Data# Polling . . . . . . . . . . . . . . . . 33 Data# Polling Algorithm . . . . . . . . . . . . . . . . 33 DQ6: Toggle Bit I. . . . . . . . . . . . . . . . . . 33 Toggle Bit Algorithm . . . . . . . . . . . . . . . . . . 34 DQ2: Toggle Bit II . . . . . . . . . . . . . . . . . 34 Reading Toggle Bits DQ6/DQ2 . . . . . . . . 35 DQ5: Exceeded Timing Limits . . . . . . . . . 35 DQ3: Sector Erase Timer . . . . . . . . . . . . 35 DQ1: Write-to-Buffer Abort . . . . . . . . . . . 35 Write Operation Status . . . . . . . . . . . . . . . . 36 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . 37 Maximum Negative Overshoot Waveform . . 37 Maximum Positive Overshoot Waveform . . . 37 Flash DC Characteristics . . . . . . . . . . . . . . . . . . . . 38 Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Test Setup . . . . . . . . . . . . . . . . . . . . . . . . 39 Test Specifications . . . . . . . . . . . . . . . . . . . 39 Key to Switching Waveforms. . . . . . . . . . . . . . . . 39 Input Waveforms and Measurement Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 40 VCC Power-up ........................................................................ 40 VCC Power-up Diagram . . . . . . . . . . . . . . . . 40 Read Operations Timings . . . . . . . . . . . . . . . 41 Page Read Timings . . . . . . . . . . . . . . . . . . . 42 Hardware Reset (RESET#) .................................................... 43 Reset Timings . . . . . . . . . . . . . . . . . . . . . . 43 Erase and Program Operations .............................................. 44 Program Operation Timings . . . . . . . . . . . . . 45 Accelerated Program Timing Diagram. . . . . . 45 Chip/Sector Erase Operation Timings . . . . . . 46 Data# Polling Timings (During Embedded Algorithms) . . . . . . . . . . . . . . . . . . . . . . . . 47 Toggle Bit Timings (During Embedded Algorithms). . . . . . . . . . . . . . . . . . . . . . . . 48 DQ2 vs. DQ6. . . . . . . . . . . . . . . . . . . . . . . . 48 Temporary Sector Unprotect .................................................. 49 Temporary Sector Group Unprotect Timing Diagram . . . . . . . . . . . . . . . . . . . . . 49 Sector Group Protect and Unprotect Timing Diagram . . . . . . . . . . . . . . . . . . . . . 50 Alternate CE# Controlled Erase and Program Operations .............................................................................. 51 Alternate CE# Controlled Write (Erase/Program) Operation Timings 5. . . . . . . . . . . . . . . . . . . . 2 Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 52 Erase And Programming Performance. . . . . . . . . 53 BGA Package Capacitance. . . . . . . . . . . . . . . . . . 53 Data Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Function Truth Table . . . . . . . . . . . . . . . . . . . . . . . 55 Power Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56 Recommended Operating Conditions . . . . . . . . . 57 pSRAM DC Characteristics . . . . . . . . . . . . . . . . . . 58 pSRAM AC Characteristics . . . . . . . . . . . . . . . . . . 59 Read Operation . . . . . . . . . . . . . . . . . . . 59 Write Operation . . . . . . . . . . . . . . . . . . 60 Power Down Parameters . . . . . . . . . . . . 61 Other Timing Parameters . . . . . . . . . . . . 61 AC Test Conditions . . . . . . . . . . . . . . . . . 62 AC Measurement Output Load Circuit . . . . . . 62 Timing Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . 63 |
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