Subject: RE: R_dut, L_dut and C_dut

From: "Peters, Stephen" <[email-masked]>
Date: Thu, 8 Feb 2001 10:55:20 -0800

Hi Brian:

  I just wanted to point out that for best model creation, it is strongly
recomened that R_dut and L_dut be set to zero (i.e. take your data from Si
simulations with no package).
C_dut represents the output capactiance of the device and is pretty much
unavoidable.

  Regards,
  Stephen Peters
  Intel Corp.

-----Original Message-----
From: Bob Ross [mailto:[email-masked]]
Sent: Thursday, February 08, 2001 10:47 AM
To: Baikuan Wang
Cc: [email-masked]
Subject: Re: R_dut, L_dut and C_dut

Brian:

You are correct.

Bob Ross
Mentor Graphics

Baikuan Wang wrote:
> 
> Hi, IBIS exports,
> 
> Regarding V(t) curve, the following circuit is given including
> R_dut, L_dut and C_dut. My question is:
> The rising/falling waveform refers to Voltage at the node
> between C_dut and L_fixture. Am I right? Can you comment?
> Thanks.
> 
> Brian
> Sigity, Inc.
> 
> |
> |                      PACKAGE            |   TEST FIXTURE
> |       _________                         |
> |      |  DUT    |   L_dut   R_dut        | L_fixture  R_fixture
> |      |  die    |---@@@@@--/\/\/\--o-----|--@@@@---o---/\/\/\-----
> V_fixture
> |      |_________|                  |     |         |
> |                                   |     |         |
> |                                   |     |         |
> |                            C_dut ===    |        === C_fixture
> |                                   |     |         |
> |                                   |     |         |
> |                                  GND    |        GND
> |