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RD28F1604C3BD70 Datasheet(PDF) 3 Page - Intel Corporation |
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RD28F1604C3BD70 Datasheet(HTML) 3 Page - Intel Corporation |
3 / 70 page Datasheet 3 Contents Contents 1.0 Introduction.................................................................................................................................... 7 1.1 Document Conventions ........................................................................................................ 7 1.2 Product Overview .................................................................................................................7 1.3 Package Ballout .................................................................................................................... 8 1.4 Signal Definitions ..................................................................................................................9 2.0 Principles of Operation ...............................................................................................................11 2.1 Bus Operation ..................................................................................................................... 11 2.1.1 Read ......................................................................................................................11 2.1.2 Output Disable ....................................................................................................... 12 2.1.3 Standby.................................................................................................................. 12 2.1.4 Flash Reset............................................................................................................ 13 2.1.5 Write ......................................................................................................................13 3.0 Flash Memory Modes of Operation............................................................................................ 13 3.1 Read Array (FFh) ................................................................................................................13 3.2 Read Identifier (90h) ........................................................................................................... 13 3.3 Read Status Register (70h) ................................................................................................ 14 3.3.1 Clear Status Register (50h) ................................................................................... 14 3.4 CFI Query (98h) .................................................................................................................. 15 3.5 Word Program (40h/10h) .................................................................................................... 15 3.5.1 Suspending and Resuming Program (B0h/D0h).................................................... 15 3.6 Block Erase (20h) ...............................................................................................................16 3.6.1 Suspending and Resuming Erase (B0h/D0h) ........................................................ 16 3.7 Block Locking...................................................................................................................... 18 3.7.1 Block Locking Operation Summary........................................................................ 19 3.7.2 Locked State .......................................................................................................... 19 3.7.3 Unlocked State ...................................................................................................... 19 3.7.4 Lock-Down State ................................................................................................... 19 3.7.5 Reading a Block’s Lock Status .............................................................................. 20 3.7.6 Locking Operation during Erase Suspend ............................................................. 20 3.7.7 Status Register Error Checking ............................................................................. 20 3.8 128 Bit Protection Register ................................................................................................. 21 3.8.1 Reading the Protection Register ............................................................................ 21 3.8.2 Programming the Protection Register (C0h)..........................................................21 3.8.3 Locking the Protection Register ............................................................................. 22 4.0 Power and Reset Considerations .............................................................................................. 23 4.1 Power-Up/Down Characteristics ......................................................................................... 23 4.2 Additional Flash Features ................................................................................................... 23 4.2.1 Improved 12 Volt Production Programming ...........................................................23 4.2.2 F-VPP < VPPLK for Complete Protection.............................................................. 23 5.0 Electrical Specifications ............................................................................................................. 24 5.1 Absolute Maximum Ratings ................................................................................................ 24 5.2 Operating Conditions .......................................................................................................... 25 5.3 Capacitance ........................................................................................................................ 25 |
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