TLC555: TLC555CDR

Grace Tan

Part Number: TLC555

Tool/software:

We received DC2446+5 and DC2512+5

Part marking date code do not match with label date code, no mix date code stated on label.

DC2446 found same date code format Label date code show '4B', Part marking date code show '51'

DC2512, Label date code show '53', part marking date code show '54'

Are these normal?

0 Ron Michallick 2 months ago

Hello Grace,

Grace Tan said:
Are these normal?

Yes normal. The data that the lot of wafers was made is earlier than the data that the package unit was made.

Is there something about device performance that lead you to ask this question?

0 Grace Tan 2 months ago in reply to Ron Michallick

please help review the label and body marking attached, it seems that the data on the label is earlier than data on the body marking ?

DC2446 found same date code format Label date code show '4B', Part marking date code show '51'

DC2512, Label date code show '53', part marking date code show '54'

Part marking date code do not match with label date code, no mix date code stated on label.

0 Ron Michallick 2 months ago in reply to Grace Tan

I see a match.

Clock & timing forum