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W25X40BLSNIG Datasheet(PDF) 2 Page - Winbond

Part # W25X40BLSNIG
Description  1M-BIT, 2M-BIT AND 4M-BIT 2.5V SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W25X40BLSNIG Datasheet(HTML) 2 Page - Winbond

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W25X10BL/20BL/40BL
- 2 -
Table of Contents
1.
GENERAL DESCRIPTION.......................................................................................................... 4
2.
FEATURES ................................................................................................................................. 4
3.
PIN CONFIGURATION SOIC 150-MIL / 208-MIL....................................................................... 5
4.
PAD CONFIGURATION WSON 6X5-MM................................................................................... 5
5.
PIN CONFIGURATION PDIP 300-MIL ....................................................................................... 6
6.
PIN DESCRIPTION SOIC 150 / 208-MIL, PDIP 300-MIL, WSON 6X5-MM ............................... 6
6.1
Package Types ............................................................................................................... 7
6.2
Chip Select (/CS) ............................................................................................................ 7
6.3
Serial Data Input, Output and IOs (DI, DO, IO0 and IO1)............................................... 7
6.4
Write Protect (/WP)......................................................................................................... 7
6.5
HOLD (/HOLD)................................................................................................................ 7
6.6
Serial Clock (CLK) .......................................................................................................... 7
7.
BLOCK DIAGRAM ...................................................................................................................... 8
8.
FUNCTIONAL DESCRIPTION.................................................................................................... 9
8.1
SPI OPERATIONS.......................................................................................................... 9
8.1.1
Standard SPI Instructions ................................................................................................9
8.1.2
Dual SPI Instructions........................................................................................................9
8.1.3
Hold Function ...................................................................................................................9
8.2
WRITE PROTECTION ................................................................................................. 10
8.2.1
Write Protect Features ...................................................................................................10
9.
CONTROL AND STATUS REGISTERS ................................................................................... 11
9.1
STATUS REGISTER .................................................................................................... 11
9.1.1
BUSY..............................................................................................................................11
9.1.2
Write Enable Latch (WEL) .............................................................................................11
9.1.3
Block Protect Bits (BP2, BP1, BP0) ...............................................................................11
9.1.4
Top/Bottom Block Protect (TB).......................................................................................11
9.1.5
Reserved Bits .................................................................................................................11
9.1.6
Status Register Protect (SRP)........................................................................................12
9.1.7
Status Register Memory Protection................................................................................13
9.2
INSTRUCTIONS ........................................................................................................... 14
9.2.1
Manufacturer and Device Identification ..........................................................................14
9.2.2
Instruction Set ................................................................................................................15
9.2.3
Write Enable (06h) .........................................................................................................16
9.2.4
Write Disable (04h) ........................................................................................................16
9.2.5
Read Status Register (05h)............................................................................................18
9.2.6
Write Status Register (01h)............................................................................................19
9.2.7
Read Data (03h).............................................................................................................21
9.2.8
Fast Read (0Bh) .............................................................................................................22


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