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SRAM

user_4671491
New Contributor

Hi, I cannot seem to find the Junction to Board Thermal resistance for this SRAM (CY62167GE30-45ZXIE 65 nm ). In the temperature specification pdf the Theta jb parameter is listed as provided upon request.


Has this question already been asked?


Thank you in advance,
Léo Coïc

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1 Solution
SudheeshK
Moderator
Moderator

Hello,

Theta JB of the part CY62167GE30-45ZXI is 53 C/W.

Thanks and Regards,

Sudheesh

View solution in original post

3 Replies
SudheeshK
Moderator
Moderator

Hello,

Sorry for the delay in our response. Theta JB value for the part CY62167GE30-45ZXIE is not currently available with us. Theta JA and Theta JC values are available in the datasheet https://www.cypress.com/file/139521/download , page 9. Could you please clarify, why you need the Theta JB value? Also, please let me know the document that you are referring to "temperature specification pdf".

Thanks and Regards,

Sudheesh

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user_4671491
New Contributor

Hello,

I'm working on the thermal qualification of a board with (amongst others) the CY62167GE30-45ZXIE SRAM. We need to evaluate the Junction temperature by characterizing the conductive thermal path only since the board will be in vacuum. As a first approximation we consider that the dissipated power goes entirely through the pins and into the board where we would like to take our measurements. As a result the Theta Ja and Theta JC values do not give us the information we need.

The document I was referring to was this one:

https://www.cypress.com/documentation/application-notes/an4017-understanding-temperature-specificati...

Thanks,
Leo

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SudheeshK
Moderator
Moderator

Hello,

Theta JB of the part CY62167GE30-45ZXI is 53 C/W.

Thanks and Regards,

Sudheesh

View solution in original post