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W25Q20BWUXIG Datasheet(PDF) 9 Page - Winbond

Part # W25Q20BWUXIG
Description  1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
Download  72 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W25Q20BWUXIG Datasheet(HTML) 9 Page - Winbond

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W25Q20BW
Publication Release Date: November 22, 2013
- 9 -
Preliminary - Revision C
6. BLOCK DIAGRAM
Figure 2. W25Q20BW Serial Flash Memory Block Diagram
00FF00h
00FFFFh
•
Block 0 (64KB)
•
000000h
0000FFh
01FF00h
01FFFFh
•
Block 1 (64KB)
•
010000h
0100FFh
•
•
•
03FF00h
03FFFFh
•
Block 3 (64KB)
•
030000h
0300FFh
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
000000h
0000FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO
1)
DI (IO
0)
/CS
CLK
/HOLD (IO
3)
/WP (IO
2)
High Voltage
Generators
xx0F00h
xx0FFFh
•
Sector 0 (4KB)
•
xx0000h
xx00FFh
xx1F00h
xx1FFFh
•
Sector 1 (4KB)
•
xx1000h
xx10FFh
xx2F00h
xx2FFFh
•
Sector 2 (4KB)
•
xx2000h
xx20FFh
•
•
•
xxDF00h
xxDFFFh
•
Sector 13 (4KB)
•
xxD000h
xxD0FFh
xxEF00h
xxEFFFh
•
Sector 14 (4KB)
•
xxE000h
xxE0FFh
xxFF00h
xxFFFFh
•
Sector 15 (4KB)
•
xxF000h
xxF0FFh
Block Segmentation
Data
Security Register 3 - 0
00FF00h
00FFFFh
•
Block 0 (64KB)
•
000000h
0000FFh
01FF00h
01FFFFh
•
Block 1 (64KB)
•
010000h
0100FFh
•
•
•
03FF00h
03FFFFh
•
Block 3 (64KB)
•
030000h
0300FFh
003000h
0030FFh
002000h
0020FFh
001000h
0010FFh
000000h
0000FFh
Column Decode
And 256-Byte Page Buffer
Beginning
Page Address
Ending
Page Address
SPI
Command &
Control Logic
Byte Address
Latch / Counter
Status
Register
Write Control
Logic
Page Address
Latch / Counter
DO (IO
1)
DI (IO
0)
/CS
CLK
/HOLD (IO
3)
/WP (IO
2)
High Voltage
Generators
xx0F00h
xx0FFFh
•
Sector 0 (4KB)
•
xx0000h
xx00FFh
xx1F00h
xx1FFFh
•
Sector 1 (4KB)
•
xx1000h
xx10FFh
xx2F00h
xx2FFFh
•
Sector 2 (4KB)
•
xx2000h
xx20FFh
•
•
•
xxDF00h
xxDFFFh
•
Sector 13 (4KB)
•
xxD000h
xxD0FFh
xxEF00h
xxEFFFh
•
Sector 14 (4KB)
•
xxE000h
xxE0FFh
xxFF00h
xxFFFFh
•
Sector 15 (4KB)
•
xxF000h
xxF0FFh
Block Segmentation
Data
Security Register 3 - 0


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