<p><span class="h-card" translate="no"><a href="https://types.pl/@wren6991" class="u-url mention">@<span>wren6991</span></a></span> I was thinking of this more as a hyperram replacement though.</p><p>Hyperbus: 13 pins, single ended, seems to top out at 400 MT/s on an 8 bit bus = 3.2 Gbps half duplex link bandwidth</p><p>My concept: 4 pins, differential, as fast as your SERDES IP can run, full duplex. With 16G NRZ transceivers you'd get 32 Gbps of bidirectional bandwidth for 50% read/write mix, or 10x hyperram, using 1/3 as many pins.</p>
