Electronics > Projects, Designs, and Technical Stuff
Chip dating (photo inside)
(1/1)
001:
Hi!
TI chip marked as
0
4
0
Is it 40 week of 1980?
amyk:
Pictures please...
DaJMasta:
(photo inside) *no photo* ;D
In any case, a picture would help us, but maybe this would help as well: TI appnote szza020c
floobydust:
I've never seen vertical text for marking date codes on a PDIP. TI databook RC4558 was a new die in 1990, I think the RC4558Y. The IC goes back to 1976. Anything on the underbelly i.e. Malaysia.
001:
--- Quote from: floobydust on October 05, 2019, 07:33:51 pm ---I've never seen vertical text for marking date codes on a PDIP. TI databook RC4558 was a new die in 1990, I think the RC4558Y. The IC goes back to 1976. Anything on the underbelly i.e. Malaysia.
--- End quote ---
Yea
Malaysia TI
Vertical numbers like this
Navigation
[0] Message Index
Go to full version