W25Q40BW Datasheet, PDF (69/70 Pages) Winbond – 1.8V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q40BW
11.1 Valid Part Numbers and Top Side Marking
The following table provides the valid part numbers for the W25Q40BW SpiFlash Memory. Please contact
Winbond for specific availability by density and package type. Winbond SpiFlash memories use an 12-
digit Product Number for ordering. However, due to limited space, the Top Side Marking on all packages
use an abbreviated 10-digit number.
PACKAGE TYPE
SN
SOIC-8 150mil
ZP⁽¹⁾
WSON-8 6x5mm
UX⁽²⁾
USON-8 2x3mm
DENSITY
4M-bit
4M-bit
4M-bit
PRODUCT NUMBER
W25Q40BWSNIG
W25Q40BWSNIP
W25Q40BWZPIG
W25Q40BWZPIP
W25Q40BWUXIG
W25Q40BWUXIP
TOP SIDE MARKING
25Q40BWNIG
25Q40BWNIP
25Q40BWIG
25Q40BWIP
4Exxx
0Gxxxx
4Exxx
0Pxxxx
Note:
1. WSON package type ZP is not used in the top side marking.
2. USON package type UX has special top marking due to size limitation.
4 = 4Mb; E = W25Q series, 1.8V; 0 = Standard part; G = Green; P = OTP enabled.
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Publication Release Date: January 27, 2011
Preliminary - Revision A