FreeLists / si-list / [SI-LIST] Re: IBIS ECL Clock issue.

[Luca Giacotto <lgiacott@xxxxxxxxx>]

Hi Marlon,
I guess you forgot the "pulldown" node. Try to substitute this line

 b_output_ecl1 nd_pu  nd_pd  110 inp  nd_pc nd_gc

and a similar one for the other b-element.

Hope this solves the problem,
Luca


On Tue, 02 Jul 2002 14:32:17 -0700
Tracy Barclay <Tracy.Barclay@xxxxxxxxxxxx> wrote:

>=20
> Hi Marlon,
>=20
> If this is a Tristat ECL Buffer, then you will need an enable signal.  Th=
e node
> list for a tristate ECL buffer is:
>=20
> nd_pu   nd_out   nd_in   nd_en
>=20
> the nd_pc and nd_gc nodes are optional.
>=20
> P.S.  I couldn't find this IBIS model on the On Semi web site, so, I didn=
't
> actually run this netlist.
>=20
> Tracy Barclay
> CAE, Hspice
> Synopsys Inc.
>=20
> > Good day all,
> >         I am trying to run a simulation in HSpice using the On semi,
> > mc100lve222_tq52_z.ibs model as the driver.  However I am not getting a=
ny
> > output.  The model was tested in ICX and it passes, so I am under the
> > assumption that the error is in my calling of the model.
> >         The following test file shows how I am calling the IBIS model:
> >
> > ***** Test File to resolve IBIS issue******
> >
> > .OPT POST
> > .OPTION PROBE
> > .PROBE TRAN v(110) v(111)
> > +       v(inp) v(inn)
> >
> > .tran 0.01n 16n
> >
> > *125MHz pulse
> > VINP inp 0 PWL(0 vm 200p vh  3.8n vh 4.2n  vl  7.8n vl
> > +8.2n vh 11.8n vh  12.2n vl 15.8n  vl 16n vm r)
> >
> > VINN inn 0 PWL (0 vm 200p vl  3.8n vl 4.2n  vh  7.8n vh
> > +8.2n vl 11.8n vl  12.2n vh 15.8n  vh 16n vm r)
> >
> > .PARAM  VCC=3D3.3
> > .param vh=3D1
> > .param vl=3D0
> > .param vm=3D'(vh+vl)/2'
> >
> > b_output_ecl1 nd_pu 110 inp  nd_pc nd_gc
> > + file=3D'mc100lve222_tq52_z.ibs'  model=3D'33V_OUT20'
> >
> > b_output_ecl2 nd_pu1 111 inn  nd_pc1 nd_gc1
> > + file=3D'mc100lve222_tq52_z.ibs'  model=3D'33V_OUT20 '
> >
> > rterm1 110 0 50
> > rterm2 111 0 50
> >
> > R100  100 0  0.1
> > .END
> >
> >  If anyone sees any errors or can make any suggestions with regards to =
their
> > experiences with this model, your feedback is greatly appreciated.
> >
> > Thanking you in advance,
> >
> > Marlon Ramroopsingh
> >
>=20
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--=20
Luca Giacotto <lgiacott@xxxxxxxxx>

*****
Il modo pi=F9 sicuro di perdere una battaglia
=E8 di non combatterla.

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