JS28F640P30T85 datasheet(4/99 Pages) NUMONYX

4 / 99 page

P30

Datasheet

November 2007

Order Number: 306666-11

10.3.3 WAIT Polarity .........................................................................................52

10.3.4 Data Hold ..............................................................................................53

10.3.5 WAIT Delay............................................................................................53

10.3.6 Burst Sequence ......................................................................................54

10.3.7 Clock Edge.............................................................................................54

10.3.8 Burst Wrap ............................................................................................55

10.3.9 Burst Length ..........................................................................................55

10.3.10End of Word Line (EOWL) Considerations ...................................................55

11.0 Programming Operations .........................................................................................56

11.1 Word Programming ............................................................................................56

11.1.1 Factory Word Programming......................................................................57

11.2 Buffered Programming .......................................................................................57

11.3 Buffered Enhanced Factory Programming ..............................................................58

11.3.1 BEFP Requirements and Considerations .....................................................58

11.3.2 BEFP Setup Phase...................................................................................59

11.3.3 BEFP Program/Verify Phase ......................................................................59

11.3.4 BEFP Exit Phase......................................................................................60

11.4 Program Suspend ..............................................................................................60

11.5 Program Resume ...............................................................................................60

11.6 Program Protection ............................................................................................61

12.0 Erase Operations......................................................................................................62

12.1 Block Erase.......................................................................................................62

12.2 Erase Suspend ..................................................................................................62

12.3 Erase Resume ...................................................................................................63

12.4 Erase Protection ................................................................................................63

13.0 Security Modes ........................................................................................................64

13.1 Block Locking ....................................................................................................64

13.1.1 Lock Block .............................................................................................64

13.1.2 Unlock Block ..........................................................................................64

13.1.3 Lock-Down Block ....................................................................................64

13.1.4 Block Lock Status ...................................................................................65

13.1.5 Block Locking During Suspend ..................................................................65

13.2 Selectable One-Time Programmable Blocks ...........................................................66

13.3 Protection Registers ...........................................................................................66

13.3.1 Reading the Protection Registers...............................................................67

13.3.2 Programming the Protection Registers .......................................................68

13.3.3 Locking the Protection Registers ...............................................................68

14.0 Special Read States..................................................................................................69

14.1 Read Status Register..........................................................................................69

14.1.1 Clear Status Register ..............................................................................70

14.2 Read Device Identifier ........................................................................................70

14.3 CFI Query.........................................................................................................71

Write State Machine.................................................................................................72

BFlowcharts ...............................................................................................................79

Common Flash Interface ..........................................................................................87

Additional Information.............................................................................................97

Ordering Information for Discrete Products .............................................................98

Ordering Information for SCSP Products ..................................................................99

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