W25X20BV WINBOND [Winbond], W25X20BV Datasheet - Page 2

• Manufacturer Part Number: W25X20BV
• Description: 1M-BIT, 2M-BIT AND 4M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI
• Manufacturer: WINBOND [Winbond]

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