大家好,我做差分線(xiàn)等長(zhǎng)的時(shí)候,發(fā)現(xiàn)signal length 和routed length, 如果signal length是n/a時(shí),等長(zhǎng)就按照route length計(jì)算,如果signal length有長(zhǎng)度,就按照signal length計(jì)算。如果signal length 和route length一樣長(zhǎng),也沒(méi)什么,但有時(shí)候,總是signal length比routed length少50mil左右,這樣等長(zhǎng)就不一樣長(zhǎng)了,有的是按照signal length計(jì)算等長(zhǎng),有的是按照routed length計(jì)算等長(zhǎng)。大家怎么解決這個(gè)問(wèn)題的,多謝
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