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GigaDevice

GD25B256D Datasheet Preview

GD25B256D Datasheet

Dual and Quad Serial Flash

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3.3V Uniform Sector
Dual and Quad Serial Flash
GD25B256D
GD25B256D
DATASHEET
1




GigaDevice

GD25B256D Datasheet Preview

GD25B256D Datasheet

Dual and Quad Serial Flash

No Preview Available !

3.3V Uniform Sector
Dual and Quad Serial Flash
Contents
GD25B256D
1. FEATURES ..................................................................................................................................................4
2. GENERAL DESCRIPTION ..........................................................................................................................5
3. MEMORY ORGANIZATION.........................................................................................................................8
4. DEVICE OPERATION ..................................................................................................................................9
5. DATA PROTECTION .................................................................................................................................10
6. STATUS AND EXTENDED ADDRESS REGISTERS................................................................................ 11
6.1. STATUS REGISTERS .............................................................................................................................. 11
6.2. EXTENDED ADDRESS REGISTER ............................................................................................................15
7. COMMANDS DESCRIPTION ....................................................................................................................16
7.1. WRITE ENABLE (WREN) (06H) .............................................................................................................21
7.2. WRITE DISABLE (WRDI) (04H)..............................................................................................................21
7.3. WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) ........................................................................21
7.4. READ STATUS REGISTER (RDSR) (05H OR 35H OR 15H) ......................................................................22
7.5. WRITE STATUS REGISTER (WRSR) (01H OR 31H OR 11H)....................................................................22
7.6. READ EXTENDED REGISTER (C8H)........................................................................................................23
7.7. WRITE EXTENDED REGISTER (C5H) ......................................................................................................23
7.8. READ DATA BYTES (READ 03H OR 4READ 13H) .................................................................................24
7.9. READ DATA BYTES AT HIGHER SPEED (FAST READ 0BH OR 4FAST READ 0CH)......................................25
7.10. DUAL OUTPUT FAST READ (DOFR 3BH OR 4DOFR 3CH).....................................................................27
7.11. QUAD OUTPUT FAST READ (QOFR 6BH OR 4QOFR 6CH)....................................................................29
7.12. DUAL I/O FAST READ (DIOFR BBH OR 4DIOFR BCH)..........................................................................31
7.13. QUAD I/O FAST READ (QIOFR EBH OR 4QIOFR ECH).........................................................................35
7.14. SET BURST WITH WRAP (77H) ..............................................................................................................38
7.15. PAGE PROGRAM (PP 02H OR 4PP 12H) ...............................................................................................39
7.16. QUAD PAGE PROGRAM (QPP 32H OR 4QPP 34H) ................................................................................41
7.17. SECTOR ERASE (SE 20H OR 4SE 21H).................................................................................................43
7.18. 32KB BLOCK ERASE (BE32 52H OR 4BE32 5CH) ................................................................................44
7.19. 64KB BLOCK ERASE (BE64 D8H OR 4BE64 DCH) ...............................................................................45
7.20. CHIP ERASE (CE) (60/C7H)..................................................................................................................46
7.21. DEEP POWER-DOWN (DP) (B9H) ..........................................................................................................47
7.22. READ UNIQUE ID (4BH) ........................................................................................................................48
7.23. ENTER 4-BYTE ADDRESS MODE (B7H) ..................................................................................................49
7.24. EXIT 4-BYTE ADDRESS MODE (E9H) .....................................................................................................49
7.25. CLEAR SR FLAGS (30H) .......................................................................................................................50
7.26. RELEASE FROM DEEP POWER-DOWN AND READ DEVICE ID (RDI) (ABH) ...............................................50
7.27. READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ..............................................................................51
7.28. READ MANUFACTURE ID/ DEVICE ID DUAL I/O (92H) .............................................................................52
7.29. READ MANUFACTURE ID/ DEVICE ID QUAD I/O (94H).............................................................................53
7.30. READ IDENTIFICATION (RDID) (9FH) .....................................................................................................53
2


Part Number GD25B256D
Description Dual and Quad Serial Flash
Maker GigaDevice
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GD25B256D Datasheet PDF






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