TDA1541 Data codes

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
Hi.

Can anyone tel me the date code sequence for Philips TDAxxxx chips ?

Also is R grade the lowest ?

Did they ever make a "special" grade TDA1543 ?

Thanks
Andy


PS on ebay fakes ?
 

Attachments

  • f2ce_1.jpg
    f2ce_1.jpg
    18.6 KB · Views: 101
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.