[SI-LIST] Re: abt.Tco and Bufferdelay
- From: Shankar Raj <Shankar.Raj@xxxxxxxxxx>
- To: zanglinyuan@xxxxxxxxxx
- Date: Thu, 18 Jul 2002 01:55:54 -0700
Hello Zanglinyuan,
1. The term 'Tco' refers to the delay of a signal (time taken to
appear at the o/p) wrt an input clock.
Buffer Delay implies the time for a signal to propagate from
input to output.
2. No, VI curves do not include the buffer delay. (one of the
reasons why XTK has a Vm correction feature).
3. No. It describes the i/p and o/p buffer models and in some cases
the package too.
I would be happy if someone can correct me incase I have made a
mistake.
Regards,
Shankar V
Force Computers
Bangalore
From: zanglinyuan <zanglinyuan@xxxxxxxxxx> on 07/18/2002 03:45 PM
Please respond to zanglinyuan@xxxxxxxxxx@SMTP@Exchange
To: si-list@xxxxxxxxxxxxx@SMTP@Exchange
cc:
Subject: [SI-LIST] abt.Tco and Bufferdelay
Hi. Everybody!
Now I'm intrested in the Timing calculation,but confused by the
following:
1.What's the relationship between the Tco and Buffer delay?
2.Does the IBIS model V/I,V/T curve include the Buffer delay?
3.Does IBIS model extracted have nothing to do with the logic core?
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