W25Q20BW Datasheet, PDF (69/70 Pages) Winbond – 1.8V 2M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q20BW
11.1 Valid Part Numbers and Top Side Marking
The following table provides the valid part numbers for the W25Q20BW 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
2M-bit
2M-bit
2M-bit
PRODUCT NUMBER
W25Q20BWSNIG
W25Q20BWSNIP
W25Q20BWZPIG
W25Q20BWZPIP
W25Q20BWUXIG
W25Q20BWUXIP
TOP SIDE MARKING
25Q20BWNIG
25Q20BWNIP
25Q20BWIG
25Q20BWIP
2Exxx 0Gxxxx
2Exxx 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.
2 = 8Mb; E = W25Q series, 1.8V; 0 = Standard part; G = Green; P = OTP enabled.
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Publication Release Date: January 25, 2011
Preliminary - Revision B