ST_WLCSP-81_Die421
Free PCB footprint for ST_WLCSP-81_Die421 — WLCSP-81, 3.693x3.815mm, 81 Ball, 9x9 Layout, 0.4mm Pitch, http://www.st.com/resource/en/datasheet/stm32f446ze.pdf#page=192. Preview it below, download the KiCad files, or open it straight in ProtoFlow.
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