3
1
Back

Pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=300, NSMD pad definition (http://www.ti.com/lit/ml/mpbg674/mpbg674.pdf, http://www.ti.com/lit/wp/ssyz015b/ssyz015b.pdf UCBGA-36, 6x6 raster, 2.553x2.579mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for ECP5 FPGAs, based on a regular polygon. ≥30 means "round, using.

New Pull Request