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W25X40BV Datasheet(PDF) 2 Page - Winbond

Part # W25X40BV
Description  1M-BIT, 2M-BIT AND 4M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI
Download  51 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W25X40BV Datasheet(HTML) 2 Page - Winbond

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W25X10BV/20BV/40BV
- 2 -
Table of Contents
1.
......................................................................................................... 4
GENERAL DESCRIPTION
2.
................................................................................................................................. 4
FEATURES
3.
...................................................................... 5
PIN CONFIGURATION SOIC 150-MIL / 208-MIL
4.
.................................................................................. 5
PAD CONFIGURATION WSON 6X5-MM
5.
....................................................................................... 6
PIN CONFIGURATION PDIP 300-MIL
6.
............................... 6
PIN DESCRIPTION SOIC 150 / 208-MIL, PDIP 300-MIL, WSON 6X5-MM
6.1
............................................................................................................... 7
Package Types
6.2
............................................................................................................ 7
Chip Select (/CS)
6.3
.............................................. 7
Serial Data Input, Output and IOs (DI, DO, IO0 and IO1)
6.4
......................................................................................................... 7
Write Protect (/WP)
6.5
............................................................................................................... 7
HOLD (/HOLD)
6.6
.......................................................................................................... 7
Serial Clock (CLK)
7.
...................................................................................................................... 8
BLOCK DIAGRAM
8.
................................................................................................... 9
FUNCTIONAL DESCRIPTION
8.1
......................................................................................................... 9
SPI OPERATIONS
8.1.1
.................................................................................................9
Standard SPI Instructions
8.1.2
........................................................................................................9
Dual SPI Instructions
8.1.3
...................................................................................................................9
Hold Function
8.2
.................................................................................................. 10
WRITE PROTECTION
8.2.1
....................................................................................................10
Write Protect Features
9.
................................................................................... 11
CONTROL AND STATUS REGISTERS
9.1
.................................................................................................... 11
STATUS REGISTER
9.1.1
..............................................................................................................................11
BUSY
9.1.2
..............................................................................................11
Write Enable Latch (WEL)
9.1.3
................................................................................11
Block Protect Bits (BP2, BP1, BP0)
9.1.4
.......................................................................................11
Top/Bottom Block Protect (TB)
9.1.5
.................................................................................................................11
Reserved Bits
9.1.6
........................................................................................12
Status Register Protect (SRP)
9.1.7
................................................................................13
Status Register Memory Protection
9.2
........................................................................................................... 14
INSTRUCTIONS
9.2.1
..........................................................................14
Manufacturer and Device Identification
9.2.2
................................................................................................................15
Instruction Set
9.2.3
..........................................................................................................16
Write Enable (06h)
9.2.4
.........................................................................................................16
Write Disable (04h)
9.2.5
............................................................................................17
Read Status Register (05h)
9.2.6
............................................................................................18
Write Status Register (01h)
9.2.7
.............................................................................................................19
Read Data (03h)
9.2.8
.............................................................................................................20
Fast Read (0Bh)


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