I.MX6Q SABRE SDP PCB stackup

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I.MX6Q SABRE SDP PCB stackup

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2,841件の閲覧回数
technect
Contributor II

I found attached PCB stackup file for SDP board and I checked the stackup of LAY-27392_C.brd. I got to know they are different.

In attached file, impedance of differential 100 ohm on top and bottom layer is controlled 3.7/9/3.7, but controlled 3.7/5.3/3.7 in Lay-27392.brd.  Differential 90 ohm is also different. I think LAY-27392 seems to comply with the Hardware Development Guide document (IMX6DQ6SDLHDG).

In addition, the thickness information is  also different. LAY-27392 is 41.74 mil (1.06 mm) as below picture, but actual measurement value is 62 mil (1.57mm). I don't know what stack-up I refer.

pastedImage_1.png

I want the exact data of LAY-27392 for impedance control.

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1 解決策
2,577件の閲覧回数
Yuri
NXP Employee
NXP Employee

Hello,

  Please refer to the following

How much is thickness of MCIMX6DL-SDP pcb?

Have a great day,
Yuri

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2,577件の閲覧回数
technect
Contributor II

Thanks Yuri.

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2,578件の閲覧回数
Yuri
NXP Employee
NXP Employee

Hello,

  Please refer to the following

How much is thickness of MCIMX6DL-SDP pcb?

Have a great day,
Yuri

-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------

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