Document
W25D10, W25D20, W25D40, W25D80 1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI
Publication Release Date: July 15, 2006 - 1 - Preliminary - Revision A
W25D10, W25D20, W25D40, W25D80
Table of Contents-
1. GENERAL DESCRIPTION ......................................................................................................... 4
2. FEATURES ................................................................................................................................. 4
3. PIN CONFIGURATION SOIC 150-MIL....................................................................................... 5
4. PIN CONFIGURATION SOIC 208-MIL....................................................................................... 5
5. PIN CONFIGURATION PDIP 300-MIL ....................................................................................... 5
6. PIN CONFIGURATION WSON 6X5-MM .................................................................................... 6
7. PIN DESCRIPTION..................................................................................................................... 6
7.1 Package Types ............................................................................................................... 7
7.2 Chip Select (/CS) ............................................................................................................ 7
7.3 Serial Data Output (DO) ................................................................................................. 7
7.4 Write Protect (/WP)......................................................................................................... 7
7.5 HOLD (/HOLD) ............................................................................................................... 7
7.6 Serial Clock (CLK) .......................................................................................................... 7
7.7 Serial Data Input / Output (DIO) ..................................................................................... 7
8. BLOCK DIAGRAM ...................................................................................................................... 8
9. FUNCTIONAL DESCRIPTION ................................................................................................... 9
9.1 SPI OPERATIONS ......................................................................................................... 9
9.1.1 SPI Modes ........................................................................................................................9 9.1.2 Dual Output SPI................................................................................................................9 9.1.3 Hold Function ...................................................................................................................9
9.2 WRITE PROTECTION.................................................................................................. .