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cdcp1803 IBIS model.

Other Parts Discussed in Thread: CDCP1803

Bonnie,

 

I got word that the model is working and they are evaluating it further…but is seems to be working and they are happy for now. Thanks for you help on this.

 

Best regards,

 

Shawn

 

 

Shawn,

 

I tried to use the model in Allegro. It does not convert properly to dml. Please help. Thanks

 

This is the error that I have.

 

Chinh

 

RUNNING IBISCHK COMMAND: ibischk4 "M:\Analysis\TI IBIS Models\cdcp1803.ibs"

IBISCHK4 V4.2.0

 

Checking M:\Analysis\TI IBIS Models\cdcp1803.ibs for IBIS 3.2 Compatibility...

 

WARNING - Model PECL_OUT: The [Rising Waveform]

      with [R_fixture]=50 Ohms and [V_fixture_min]=1V

      has MIN column DC endpoints of  1.09V and  1.99v, but

      an equivalent load applied to the model's I-V tables yields

      different voltages ( 1.09V and  2.02V),

      a difference of  0.39% and  2.89%, respectively.

WARNING - Model PECL_OUT: The [Falling Waveform]

      with [R_fixture]=50 Ohms and [V_fixture_min]=1V

      has MIN column DC endpoints of  1.12V and  2.02v, but

      an equivalent load applied to the model's I-V tables yields

      different voltages ( 1.09V and  2.02V),

      a difference of  3.35% and  0.21%, respectively.

WARNING - Model PECL_OUT: The [Rising Waveform]

      with [R_fixture]=50 Ohms and [V_fixture_max]=1.6V

      has MAX column DC endpoints of  1.86V and  2.60v, but

      an equivalent load applied to the model's I-V tables yields

      different voltages ( 1.88V and  2.62V),

      a difference of  2.27% and  1.78%, respectively.

WARNING - Model PECL_OUT: The [Falling Waveform]

      with [R_fixture]=50 Ohms and [V_fixture_max]=1.6V

      has MAX column DC endpoints of  1.86V and  2.60v, but

      an equivalent load applied to the model's I-V tables yields

      different voltages ( 1.88V and  2.62V),

      a difference of  2.61% and  1.91%, respectively.

 

Errors  : 0

Warnings: 4

 

File Passed

 

END OF IBISCHK COMMAND OUTPUT

 

READING IBIS FILE M:\Analysis\TI IBIS Models\cdcp1803.ibs

 

INFO @line 74 --- Completed PackagedDevice CDCP1803RTH

INFO @line 124 --- Completed IbisIOCell CDCP1803_PECL_OUT

INFO @line 579 --- Completed IbisIOCell CDCP1803_VBB_OUT

INFO @line 767 --- Completed IbisIOCell CDCP1803_PECL_IN

INFO @line 921 --- Completed IbisIOCell CDCP1803_CTRL_IN

 

RUNNING DMLCHECK for M:\Analysis\TI IBIS Models\cdcp1803.dml

 

WARNING @line 832: Missing input threshold for ModelType Input

ERROR @line 832: IOCell <CDCP1803_VBB_OUT> is type Output_OpenPullDown and so:  must contain a Ramp section; should contain a delay measurement fixture;

WARNING @line 103: CDCP1803_CTRL_IN PowerClamp: Overall typical area exceeds overall maximum area

WARNING @line 103: CDCP1803_CTRL_IN PowerClamp: Overall minimum area exceeds overall typical area

WARNING @line 4: CDCP1803_CTRL_IN GroundClamp: Overall typical area exceeds overall maximum area

WARNING @line 4: CDCP1803_CTRL_IN GroundClamp: Overall minimum area exceeds overall typical area

WARNING @line 4: CDCP1803_CTRL_IN GroundClamp: Slope at end is not flat - point added

WARNING @line 256: CDCP1803_PECL_IN PowerClamp: Overall minimum area exceeds overall typical area

WARNING @line 169: CDCP1803_PECL_IN GroundClamp: Overall typical area exceeds overall maximum area

WARNING @line 169: CDCP1803_PECL_IN GroundClamp: Overall minimum area exceeds overall typical area

WARNING @line 493: CDCP1803_PECL_OUT PowerClamp: Overall typical area exceeds overall maximum area

WARNING @line 493: CDCP1803_PECL_OUT PowerClamp: Overall minimum area exceeds overall typical area

WARNING @line 378: CDCP1803_PECL_OUT GroundClamp: Slope at end is not flat - point added

ERROR @line 794: TVCurve must start at time zero

WARNING @line 794: TVCurve should asymptotically approach a final value - point added

ERROR @line 345: TVCurve must start at time zero

WARNING @line 345: TVCurve should asymptotically approach a final value - point added

 

Translation failed due to DMLCHECK errors.

Output saved as M:\Analysis\TI IBIS Models\cdcp1803.dml.txt.

Run ibis2signoise -d, a DML will be generated.

Examine it with line numbers from the log message.

 

Regards, Chinh