Protecting clusters of sinks is not enough. There can be very long wires that far exceed the protection capacity of one diode. Instead of putting a bunch of diodes near the sinks, we choose to put them regularly along the interconncting wires. With this approach we are down to 7 antenna violations on LibreSOC LS180 test chip. This will get less good results on arlet6502 & ao6800 because of the core being a long way from the I/O pads. Should create jumpers on thoses, but it is for later. |
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cmake_modules | ||
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src | ||
CMakeLists.txt |