W83791SD Information Storage Devices, Inc, W83791SD Datasheet - Page 17

• Manufacturer Part Number: W83791SD
• Description: Programmable Speech Synthesizer With 133 Int/ext Event Triggers
• Manufacturer: Information Storage Devices, Inc

9. HOW TO READ THE TOP MARKING
The top marking of W83791SD
The top marking of W83791SG
1st line: part number W83791SD, D means LQFP (Thickness = 1.4 mm).
1st line: part number W83791SG; G means lead-free package.
Left: Winbond logo
2nd line: Tracking code 025 GD
Left: Winbond logo
2nd line: Tracking code 225 GD
225: packages made in 2002, week 25
G: assembly house ID; A means ASE, O means OSE, G means Greatek.
D: IC revision; D means version D.
225: packages made in 2002, week 25
G: assembly house ID; A means ASE, O means OSE, G means Greatek
D: IC revision; D means version D.
W 83791SD
W 83791SG
225G D
225G D
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W83791SD/W83791SG