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Date: | Mon, 16 Oct 1995 17:35:24 -700 |
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On 16 Oct 95 at 15:22, [log in to unmask] <[log in to unmask]> wrote:
> 1.) Circuit Routing Programs:
> I have seen several designs where traces are routed at the minimum
> spacing, between two pads, when they could be routed differently to
> optimize spacing. These are typically designs with multiple traces
> running between pads. It appears the design algorithm will not
> automatically jog a single or multiple lines to maximize the spacing.
> Do effective, reliable, high quality programs exist that could
> maximize these types of designs? Does the design community support
> these programs, assuming they exist? You can guarantee I would notify
> the customer and let them review any changes prior to making
> implementing any changes.
Cooper & Chyan's Specctra Router has a DFM utility called "spread"
that can reposition previously routed traces according to defined clearance values.
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