nRF52840-CKAA Recommended land size

[Ryoya Yamada]

Nice to meet you

What is the recommended land size for your product nRF52840-CKAA?
Mechanical information was found at the following URL.

"">infocenter.nordicsemi.com/index.jsp

The aQFN73 has the recommended land size notation on the following URL, but I could not find a similar document for the WLCSP-94.

"">infocenter.nordicsemi.com/index.jsp

CAD extensions are not supported and reference layouts cannot be measured.

"">infocenter.nordicsemi.com/index.jsp

thank you in advance.

[ketiljo]

The reference layout used round pads with 2.0 mm diameter. Via in pad is 0.25 mm with 0.1 mm hole.

[Ryoya Yamada]

Dear ketiljo.

thank you.

I will continue to consider this size.