Uniform Sector Standard and Dual Serial Flash GD25WD40C/20C GD25WD40C/20C DATASHEET 1 Uniform Sector Standard and Dual Serial Flash GD25WD40C/20C CONTENTS 1. FEATURES ................................................................................................................................................................ 4 2. GENERAL DESCRIPTION ..................................................................................................................................... 5 3. MEMORY ORGANIZATION .................................................................................................................................. 8 4. DEVICE OPERATION ........................................................................................................................................... 10 5. DATA PROTECTION ............................................................................................................................................. 11 6. STATUS REGISTER ............................................................................................................................................... 12 7. COMMANDS DESCRIPTION............................................................................................................................... 13 7.1. WRITE ENABLE (WREN) (06H) ......................................................................................................................... 15 7.2. WRITE DISABLE (WRDI) (04H) ......................................................................................................................... 15 7.3. READ STATUS REGISTER (RDSR) (05H) ............................................................................................................. 16 7.4. WRITE STATUS REGISTER (WRSR) (01H) .......................................................................................................... 16 7.5. READ DATA BYTES (READ) (03H)..................................................................................................................... 17 7.6. READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) ................................................................................ 17 7.7. DUAL OUTPUT FAST READ (3BH) ...................................................................................................................... 18 7.8. PAGE PROGRAM (PP) (02H) ................................................................................................................................ 18 7.9. SECTOR ERASE (SE) (20H) ................................................................................................................................. 19 7.10. 32KB BLOCK ERASE (BE) (52H) ....................................................................................................................... 20 7.11. 64KB BLOCK ERASE (BE) (D8H) ...................................................................................................................... 20 7.12. CHIP ERASE (CE) (60/C7H)................................................................................................................................ 21 7.13. DEEP POWER-DOWN (DP) (B9H) ....................................................................................................................... 22 7.14. RELEASE FROM DEEP POWER-DOWN / READ DEVICE ID (ABH) ........................................................................ 22 7.15. READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ........................................................................................ 23 7.16. READ IDENTIFICATION (RDID) (9FH) ................................................................................................................ 24 7.17. READ UNIQUE ID (4BH) .................................................................................................................................... 25 8. ELECTRICAL CHARACTERISTICS .................................................................................................................. 26 8.1. POWER-ON TIMING ....................................................................................................................................... 26 8.2. INITIAL DELIVERY STATE ............................................................................................................................ 26 8.3. ABSOLUTE MAXIMUM RATINGS ............................................................................................................... 26 8.4. CAPACITANCE MEASUREMENT CONDITIONS ........................................................................................ 27 8.5. DC CHARACTERISTICS................................................................................................................................. 28 8.6. AC CHARACTERISTICS................................................................................................................................. 31 9. ORDERING INFORMATION ............................................................................................................................... 37 9.1. VALID PART NUMBERS ........................................................................................................................................ 38 10. PACKAGE INFORMATION ............................................................................................................................. 40 10.1. PACKAGE SOP8 150MIL .................................................................................................................................... 40 10.2. PACKAGE SOP8 208MIL .................................................................................................................................... 41 10.3. PACKAGE TSSOP8 173MIL ............................................................................................................................... 42 2