Top Part Product Marking decipher key for SOIC 8 packages

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    Question: Can you provide me with the Top Side product Marking especially date code description\decipher key for SOIC8 packages?

     

    Answer:

    The break down of the 6 digit date code, YWWLLLL, is as follows,
    Y : year
    WW : work week
    LLLL : Lot number
     
    E.g. 9224951 Year :1999 work week : 22 lot number : 4951
     
    Note: This article is for SOIC8 Cypress Products. For lead free parts please refer to the Lead-Free Standard Marking Format