3.3V Uniform Sector Dual and Quad Serial Flash GD25B64C GD25B64C DATASHEET 1 3.3V Uniform Sector Dual and Quad Serial Flash GD25B64C Contents 1. FEATURES ................................................................................................................................................................ 4 2. GENERAL DESCRIPTION ...................................................................................................................................... 5 3. MEMORY ORGANIZATION .................................................................................................................................... 7 4. DEVICE OPERATION .............................................................................................................................................. 8 5. DATA PROTECTION ................................................................................................................................................ 9 6. STATUS REGISTER ............................................................................................................................................... 11 7. COMMANDS DESCRIPTION ............................................................................................................................... 13 7.1. WRITE ENABLE (WREN) (06H) ......................................................................................................................... 16 7.2. WRITE DISABLE (WRDI) (04H) ......................................................................................................................... 16 7.3. WRITE ENABLE FOR VOLATILE STATUS REGISTER (50H) .................................................................................. 17 7.4. READ STATUS REGISTER (RDSR) (05H OR 35H OR 15H) .................................................................................. 17 7.5. WRITE STATUS REGISTER (WRSR) (01H OR 31H OR 11H) ................................................................................ 18 7.6. READ DATA BYTES (READ) (03H) .................................................................................................................... 18 7.7. READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) .............................................................................. 19 7.8. DUAL OUTPUT FAST READ (3BH) ...................................................................................................................... 19 7.9. QUAD OUTPUT FAST READ (6BH) ..................................................................................................................... 20 7.10. DUAL I/O FAST READ (BBH) ............................................................................................................................. 20 7.11. QUAD I/O FAST READ (EBH) ............................................................................................................................. 22 7.12. QUAD I/O WORD FAST READ (E7H) .................................................................................................................. 23 7.13. SET BURST WITH WRAP (77H) ........................................................................................................................... 24 7.14. PAGE PROGRAM (PP) (02H) ............................................................................................................................... 25 7.15. QUAD PAGE PROGRAM (32H)............................................................................................................................. 26 7.16. FAST PAGE PROGRAM (FPP) (F2H) .................................................................................................................... 27 7.17. SECTOR ERASE (SE) (20H) ................................................................................................................................. 28 7.18. 32KB BLOCK ERASE (BE) (52H) ....................................................................................................................... 29 7.19. 64KB BLOCK ERASE (BE) (D8H) ...................................................................................................................... 29 7.20. CHIP ERASE (CE) (60/C7H) ............................................................................................................................... 30 7.21. DEEP POWER-DOWN (DP) (B9H) ....................................................................................................................... 30 7.22. RELEASE FROM DEEP POWER-DOWN OR HIGH PERFORMANCE MODE AND READ DEVICE ID (RDI) (ABH)...... 31 7.23. READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ........................................................................................ 32 7.24. DUAL I/O READ MANUFACTURE ID/ DEVICE ID (92H) ...................................................................................... 33 7.25. QUAD I/O READ MANUFACTURE ID/ DEVICE ID (94H) ..................................................................................... 34 7.26. READ IDENTIFICATION (RDID) (9FH) ................................................................................................................ 34 7.27. HIGH PERFORMANCE MODE (HPM) (A3H) ........................................................................................................ 35 7.28. READ UNIQUE ID (4BH) .................................................................................................................................... 36 7.29. PROGRAM/ERASE SUSPEND (PES) (75H) ........................................................................................................... 36 7.30. PROGRAM/ERASE RESUME (PER) (7AH) ........................................................................................................... 37 7.31. ERASE SECURITY REGISTERS (44H) ................................................................................................................... 37 2