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W25Q20BW Datasheet(PDF) 3 Page - Winbond

Part # W25Q20BW
Description  1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W25Q20BW Datasheet(HTML) 3 Page - Winbond

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W25Q20BW
Publication Release Date: November 22, 2013
- 3 -
Preliminary - Revision C
8.2.3
Instruction Set Table 2 (Read Instructions) ..........................................................................19
8.2.4
Instruction Set Table 3 (ID, Security Instructions) ................................................................20
8.2.5
Write Enable (06h) ...............................................................................................................21
8.2.6
Write Enable for Volatile Status Register (50h)....................................................................21
8.2.7
Write Disable (04h) ..............................................................................................................22
8.2.8
Read Status Register-1 (05h) and Read Status Register-2 (35h)........................................23
8.2.9
Write Status Register (01h)..................................................................................................23
8.2.10
Read Data (03h).................................................................................................................25
8.2.11
Fast Read (0Bh).................................................................................................................26
8.2.12
Fast Read Dual Output (3Bh).............................................................................................27
8.2.13
Fast Read Quad Output (6Bh) ...........................................................................................28
8.2.14
Fast Read Dual I/O (BBh) ..................................................................................................29
8.2.15
Fast Read Quad I/O (EBh).................................................................................................31
8.2.16
Word Read Quad I/O (E7h)................................................................................................33
8.2.17
Octal Word Read Quad I/O (E3h) ......................................................................................35
8.2.18
Set Burst with Wrap (77h) ..................................................................................................37
8.2.19
Continuous Read Mode Bits (M7-0) ...................................................................................38
8.2.20
Continuous Read Mode Reset (FFh or FFFFh) .................................................................38
8.2.21
Page Program (02h)...........................................................................................................39
8.2.22
Quad Input Page Program (32h) ........................................................................................40
8.2.23
Sector Erase (20h) .............................................................................................................41
8.2.24
32KB Block Erase (52h) .....................................................................................................42
8.2.25
64KB Block Erase (D8h) ....................................................................................................43
8.2.26
Chip Erase (C7h / 60h).......................................................................................................44
8.2.27
Erase / Program Suspend (75h).........................................................................................45
8.2.28
Erase / Program Resume (7Ah) .........................................................................................46
8.2.29
Power-down (B9h)..............................................................................................................47
8.2.30
Release Power-down / Device ID (ABh) ............................................................................48
8.2.31
Read Manufacturer / Device ID (90h) ................................................................................50
8.2.32
Read Manufacturer / Device ID Dual I/O (92h) ..................................................................51
8.2.33
Read Manufacturer / Device ID Quad I/O (94h).................................................................52
8.2.34
Read Unique ID Number (4Bh) ..........................................................................................53
8.2.35
Read JEDEC ID (9Fh)........................................................................................................54
8.2.36
Erase Security Registers (44h) ..........................................................................................55
8.2.37
Program Security Registers (42h) ......................................................................................56
8.2.38
Read Security Registers (48h) ...........................................................................................57
9.
ELECTRICAL CHARACTERISTICS
(1) ............................................................................................ 58
9.1
Absolute Maximum Ratings (2) .......................................................................................... 58
9.2
Operating Ranges............................................................................................................... 58
9.3
Power-up Timing and Write Inhibit Threshold .................................................................... 59


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