18. ORDERING INFORMATION
1. Winbond reserves the right to make changes to its products without prior notice.
2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in
applications where personal injury might occur as a consequence of product failure.
19. HOW TO READ THE TOP MARKING
Example: The top marking of 32-pin STSOP W39V040FCQ
1st line: Winbond logo
2nd line: the part number: W39V040FCQZ (Z: For Lead Free)
3rd line: the lot number
4th line: the tracking code: 345 O B FA
149: Packages made in ’03, week 45
O: Assembly house ID: A means ASE, O means OSE, ...etc.
B: IC revision; A means version A, B means version B, ...etc.
FA: Process code
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