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W39L040AP70Z Datasheet(PDF) 1 Page - Winbond |
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W39L040AP70Z Datasheet(HTML) 1 Page - Winbond |
1 / 26 page W39L040A Data Sheet 512K × 8 CMOS FLASH MEMORY Publication Release Date:April 14, 2005 - 1 - Revision A3 Table of Contents- 1. GENERAL DESCRIPTION ......................................................................................................... 3 2. FEATURES ................................................................................................................................. 3 3. PIN CONFIGURATIONS ............................................................................................................ 4 4. BLOCK DIAGRAM ...................................................................................................................... 4 5. PIN DESCRIPTION..................................................................................................................... 4 6. FUNCTIONAL DESCRIPTION ................................................................................................... 5 6.1 Device Bus Operation..................................................................................................... 5 6.1.1 Read Mode .......................................................................................................................5 6.1.2 Write Mode .......................................................................................................................5 6.1.3 Standby Mode ..................................................................................................................5 6.1.4 Output Disable Mode........................................................................................................5 6.1.5 Auto-select Mode..............................................................................................................5 6.2 Data Protection ............................................................................................................... 6 6.2.1 Low VDD Inhibit................................................................................................................6 6.2.2 Write Pulse "Glitch" Protection .........................................................................................6 6.2.3 Logical Inhibit ...................................................................................................................6 6.2.4 Power-up Write and Read Inhibit ......................................................................................6 6.3 Command Definitions ..................................................................................................... 6 6.3.1 Read Command ...............................................................................................................6 6.3.2 Auto-select Command ......................................................................................................7 6.3.3 Byte Program Command ..................................................................................................7 6.3.4 Chip Erase Command ......................................................................................................7 6.3.5 Sector Erase Command ...................................................................................................8 6.4 Write Operation Status ................................................................................................... 8 6.4.1 DQ7: #Data Polling...........................................................................................................8 6.4.2 DQ6: Toggle Bit ................................................................................................................9 6.5 Table of Operating Modes .............................................................................................. 9 6.5.1 Device Bus Operations.....................................................................................................9 6.5.2 Auto-select Codes (High Voltage Method) .......................................................................9 6.5.3 Sector Address Table .....................................................................................................10 6.5.4 Command Definitions .....................................................................................................10 6.6 Embedded Programming Algorithm ............................................................................. 11 6.7 Embedded Erase Algorithm.......................................................................................... 12 |
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