Hello,
We use for UPD809502 in one of our products.
We plan to release our products for a longer service life.To evaluate this possibility it would be nice if you could provide any data regarding lifetime or reliability of the UPD809502.Especially Flash memory endurance and data retention are interesiting for us.
Best regards,
Manuel Heine
To best support you on this you will need to submit a Technical Support ticket by going to our support portal from the following link: https://en-support.renesas.com
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Best regards, Cindy, Renesas Online Applications Support Engineer