Pin termination DDR CKE

[keisukewatanabe]

Dear support,

In the page 67 of data sheet, there is a note "CKE pin has a external weak pull down requirement."

But we can not find such part(s) in the reference circuit. Is the pull down resister really necessary?

Best regards,

Keisuke

[naoumgitnik · Accepted solution]

Dear Keisuke,

You will find the answer in the following discussion: https://community.freescale.com/thread/310156.

Regards, Naoum Gitnik.

[keisukewatanabe]

Dear Naoum,

Thank you for your reply!

Best regards,

Keisuke