Re: [SI-LIST] : Effect of low Zo for unterminated lines

Chris Bobek (cbobek@cadence.com)
Tue, 19 Oct 1999 10:16:04 -0700

Hi,

I think I should restate my question. The original question wasn't just pertaining to an LVCH245, that was just an example. I'm trying to find out what the effects are on a driver when the Zo is low.

As a general example, assume you had a 30ohm line being driven by a driver that was designed to drive a 50ohm load. The line is unterminated and suppose it's a foot long. Suppose there are multiple drops on the line. I've
already seen simulations of this, but I'm wondering if this will damage the driver or not.

Thanks for your help,

Chris

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