W83783S Datasheet, PDF (55/57 Pages) Winbond – MONITORING IC

9. HOW TO READ THE TOP MARKING
The top marking of W83783S
W83783S
2826978Y-61
814OB
W83783S
Preliminary
Left: Winbond logo
1st line: Winbond logo and the type number: W83783S
2nd line: Tracking code 2 826978Y-61
2: wafers manufactured in Winbond FAB 2
826978Y-61: wafer production series lot number
3rd line: Tracking code 814 O B
814: packages made in '98, week 14
O: assembly house ID; A means ASE, S means SPIL, O means OSE
B: IC revision
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Publication Release Date: April 1999
Revision 0.55