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PF28F1602C3TD70

Intel® Advanced+ Boot Block Flash Memory (C3)

Intel 

C3 SCSP Flash Memory

Contents

1.0 Introduction....................................................................................................................................6

1.1 Document Conventions ........................................................................................................ 6

1.2 Product Overview .................................................................................................................6

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 ......................................................................................................................12

2.1.2 Output Disable ....................................................................................................... 12

2.1.3 Standby.................................................................................................................. 13

2.1.4 Flash Reset............................................................................................................ 13

2.1.5 Write ......................................................................................................................13

3.0 Flash Memory Modes of Operation............................................................................................14

3.1 Read Array (FFh) ................................................................................................................ 14

3.2 Read Identifier (90h) ........................................................................................................... 14

3.3 Read Status Register (70h) ................................................................................................ 15

3.3.1 Clear Status Register (50h) ................................................................................... 16

3.4 CFI Query (98h) .................................................................................................................. 16

3.5 Word Program (40h/10h) .................................................................................................... 16

3.5.1 Suspending and Resuming Program (B0h/D0h)....................................................17

3.6 Block Erase (20h) ...............................................................................................................18

3.6.1 Suspending and Resuming Erase (B0h/D0h) ........................................................ 18

3.7 Block Locking......................................................................................................................20

3.7.1 Block Locking Operation Summary........................................................................ 21

3.7.2 Locked State .......................................................................................................... 21

3.7.3 Unlocked State ...................................................................................................... 21

3.7.4 Lock-Down State ................................................................................................... 21

3.7.5 Reading Lock Status for a Block............................................................................ 22

3.7.6 Locking Operation During Erase Suspend ............................................................ 22

3.7.7 Status Register Error Checking ............................................................................. 22

3.8 128 Bit Protection Register .................................................................................................23

3.8.1 Reading the Protection Register ............................................................................ 23

3.8.2 Programming the Protection Register (C0h).......................................................... 24

3.8.3 Locking the Protection Register ............................................................................. 24

4.0 Power and Reset Considerations .............................................................................................. 25

4.1 Power-Up/Down Characteristics ......................................................................................... 25

4.2 Additional Flash Features ................................................................................................... 25

4.2.1 Improved 12 Volt Production Programming ...........................................................25

4.2.2 F-VPP £ VPPLK for Complete Protection .............................................................. 25

5.0 Electrical Specifications ............................................................................................................. 26

5.1 Absolute Maximum Ratings ................................................................................................ 26

5.2 Operating Conditions .......................................................................................................... 27

5.3 Capacitance ........................................................................................................................ 27

Datasheet

Intel® Advanced+ Boot Block Flash Memory (C3) SCSP Family

Order Number: 252636, Revision: 004

26 Aug 2005

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