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Indexes on Waffer memory chips

By raychenal ·
What does every item of Waffer memory chip's indexes mean?: WF3617801-8H
CT 9**3 (or 9**4)

Thanks!

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Indexes on Waffer memory chips

by rawright In reply to Indexes on Waffer memory ...

I'm not familiar with these, but as a long-time circuit designer I can make an educated guess. The WF probably just indicates the manufacturer, and the numbers following it, the part number. Suffixes (-8H) usually indicate a package style and/or temperature range. Nearly all chips have a datecode to identify the lot; The format varies, but a very common one is the year & week (YYWW) of production.

If you're really curious, you might try searching the web for the manufacturer and look over their data sheets (if they're online). The explanation would be found in the 'Ordering Information' part of their tech data.

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Indexes on Waffer memory chips

by raychenal In reply to Indexes on Waffer memory ...

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Indexes on Waffer memory chips

by raychenal In reply to Indexes on Waffer memory ...

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