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We're using the DSF package of the subject part. The datasheet does not provide the thermal data for this package. Please provide the Junction-to-case thermal resistance (θJC), Junction-to-board thermal resistance (θJB), Junction-to-ambient thermal resistance (θJA), maximum junction temperature (Tjmax), and the maximum Themal Design Power (TDP) for this package.
Hi Jerry,
I have put in a request for the DSF package thermals -- it typically takes 1 to 2 weeks to get results.
In the meantime, I've always been curious as to why engineers need thermals for logic gates. Do you expect to drive a lot of power through this device?
Also, you might find this FAQ helpful:
[FAQ] What is the maximum junction temperature (TJMAX) for a device? - Logic forum - Logic - TI E2E support...
Thanks for the response.
My reason - I'm a mechanical engineer designing a thermal solution for a new circuit board. In doing so, I need to verify that all parts on the board stay below their maximum junction temperature. To do this, I try to include all active components in my thermal model. Simulating this part may not be necessary; however, I personally don't know until I simulate the part. If the datasheet provided the maximum thermal design power and the junction to ambient thermal resistance, I could potentially disregard; however, it is always safer to simulate.