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GigaDevice
GigaDevice

GD25Q40B Datasheet Preview

GD25Q40B Datasheet

Uniform sector Dual and Quad Serial Flash

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GD25Q40B pdf
Uniform Sector
Dual and Quad Serial Flash
GD25Q40B/20B
GD25Q40B/20B
DATASHEET
1



GigaDevice
GigaDevice

GD25Q40B Datasheet Preview

GD25Q40B Datasheet

Uniform sector Dual and Quad Serial Flash

No Preview Available !

GD25Q40B pdf
Uniform Sector
Dual and Quad Serial Flash
Contents
GD25Q40B/20B
1. FEATURES .........................................................................................................................................................4
2. GENERAL DESCRIPTION ................................................................................................................................5
3. MEMORY ORGANIZATION...............................................................................................................................7
4. DEVICE OPERATION ........................................................................................................................................9
5. DATA PROTECTION........................................................................................................................................10
6. STATUS REGISTER.........................................................................................................................................14
7. COMMANDS DESCRIPTION..........................................................................................................................16
7.1.
7.2.
7.3.
7.4.
7.5.
7.6.
7.7.
7.8.
7.9.
7.10.
7.11.
7.12.
7.13.
7.14.
7.15.
7.16.
7.17.
7.18.
7.19.
7.20.
7.21.
7.22.
7.23.
7.24.
WRITE ENABLE (WREN) (06H)................................................................................................................................ 19
WRITE DISABLE (WRDI) (04H) ................................................................................................................................ 19
READ STATUS REGISTER (RDSR) (05H OR 35H) .......................................................................................................... 19
WRITE STATUS REGISTER (WRSR) (01H) ................................................................................................................... 20
READ DATA BYTES (READ) (03H)............................................................................................................................. 20
READ DATA BYTES AT HIGHER SPEED (FAST READ) (0BH) ............................................................................................. 21
DUAL OUTPUT FAST READ (3BH).............................................................................................................................. 21
QUAD OUTPUT FAST READ (6BH) ............................................................................................................................. 22
DUAL I/O FAST READ (BBH) .................................................................................................................................... 22
QUAD I/O FAST READ (EBH) ................................................................................................................................... 23
QUAD I/O WORD FAST READ (E7H) ......................................................................................................................... 24
PAGE PROGRAM (PP) (02H).................................................................................................................................... 25
SECTOR ERASE (SE) (20H)....................................................................................................................................... 26
32KB BLOCK ERASE (BE) (52H) ............................................................................................................................... 27
64KB BLOCK ERASE (BE) (D8H)............................................................................................................................... 27
CHIP ERASE (CE) (60/C7HEX).................................................................................................................................. 28
DEEP POWER-DOWN (DP) (B9H)............................................................................................................................. 28
RELEASE FROM DEEP POWER-DOWN OR HIGH PERFORMANCE MODE AND READ DEVICE ID (RDI) (ABH) ............................ 29
READ MANUFACTURE ID/ DEVICE ID (REMS) (90H) ................................................................................................... 30
READ IDENTIFICATION (RDID) (9FH) ......................................................................................................................... 30
HIGH PERFORMANCE MODE (HPM) (A3H) ................................................................................................................ 31
CONTINUOUS READ MODE RESET (CRMR) (FFH)........................................................................................................ 31
PROGRAM/ERASE SUSPEND (PES) (75H) ................................................................................................................... 32
PROGRAM/ERASE RESUME (PER) (7AH) ................................................................................................................... 33
8. ELECTRICAL CHARACTERISTICS ..............................................................................................................34
8.1. POWER-ON TIMING ........................................................................................................................................... 34
8.2. INITIAL DELIVERY STATE ..................................................................................................................................... 34
8.3. DATA RETENTION AND ENDURANCE ................................................................................................................. 34
8.4. LATCH UP CHARACTERISTICS ............................................................................................................................. 34
8.5. ABSOLUTE MAXIMUM RATINGS ........................................................................................................................ 35
8.6. CAPACITANCE MEASUREMENT CONDITIONS .................................................................................................... 35
2


Part Number GD25Q40B
Description Uniform sector Dual and Quad Serial Flash
Maker GigaDevice
Total Page 30 Pages
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GD25Q40B pdf
GD25Q40B Datasheet PDF
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