Cadence Poqi055 2002-7-10
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Allegro SI PCB 1 Cadence SI Allegro PCB *.brd SpecctreQuest *.brd SigXplore SigXplore 2 PowerPCB Aleegro PowerPCb PCB Export File Export ASCII *.asc 1.1 1.1 PowerPCB ASC 1.2 PowerPCB 2
1.1 1.2 ASCII Select All Expand Attributes Parts Nets Format PowerPCB V3.0 Allegro 3 Aleegro *.ascpcb Import PADS PADS IN 1.3 3 i. asc ii. iii. 1.3 pads_in.ini Run.brd pads_in.ini Psd_14.2 Tools PCB bin 4 Allegro PCB Allegro IBIS dml 1 Allegro Analyze SI/EMI SIM Library Signal Analyze Library Browser Translatr -> ibis2signois Select IBIS Source File 2.1. 2.2.dml 3
2.1 IBIS ibis2signoise in=e:\_ed\30\82559.ibs out=82559.dml ibis2signoise DOS in= out= ibis2signoise E:\_ED\30\82559.ibs IBIS dml 2.2 IBIS To dml Error 2 dml Signal Analyze Library Browser 2.3, dml 2.4 2.3 Signal Analyze Library Browser Add Existing Library -> 2.4 1. Local Lib: \Psd_14.2 share pcb signal SignalPartLib 2. Local Library Path : \Psd_14.2 share pcb signal SignalPartLib DEFAULT_LIB Dig_lib abt als alvc fttl Packages als X4ALS 74als162 3. Standard Cadence Library \Psd_14.2 share pcb signal cds_models.ndx cds_partlib.ndx 3 set working 4
1) Allegro Analyze SI/EMI SIM Model Signal Model Assignmen 3.1 3.1 3.1 Find Model Browser 3.2 Model Name Pattern * 3.2 3.2 3.1 U1 U2 Signal Name 2 3.1 3.1 create model 3.2 Espicemodel,Creat ESpick Device Model 5
3.3 IBISdevice 3.3 value *.dat load Common Logic Identify Nets.. Identify DC Nets 4.1 VCC GND Voltage 5V OV 4.1 PCB Aleegro SpecctraQuest 1 Allegro Tools Setaup Advior DatBase Setup Advsor Next DatBase Setup Advsor Cross-Section Edit Cross-Section 5.1 Excel 2 SpecctraQuest 3 4 SigXplore 5.1 6
2 SpecctraQuest Setup Cross-Section 5.1 SpecctraQuest Sigxplore measurement cycle Clock frequency duty cycle offset fixed duration waveform resolution cutoff frequency FTS mode drive excitation (measurement mode) 1 SpecctraQuest SpecctraQuest Analyze SI/EMI SIM Prefences 6.1 6.1 2 SigXplore Analyze Prefences 6.1 7
Probe 1) SpecctraQuest Logic create list of nets, Creat List of Net 7.1 Net List Name Net Filter * Available nets Selected Nets 2) Analyz SI/EMI Sim Probe signal analysis net *, list of nets 7.1 net ( 7.2) 7.2 7.2 Reports analysis report generator SSN, Reflection CrossTalk create report 1 Aleegro SpecctraQuest 7.2 View Toplogy 8
Yes No SigXploer 8.1 Yes Database Setup Advisor Cross-Setion Database Setup Advisor Identify DC Nets Database Setup Advisor Device Setup Database Setup Advisor SI Model Asingment Database Setup Advisor Si Audit Finish 8.1 SigXplore 1.1 8.1 8.1 1.1.1 Parameters 9
Set Parameter d1constant 8.2 Value 8.2 1.1.2 Meeasurements 8.3 Reflection Crosstalk EMI Custom IC Die Results 8.4 Sigxploer 10
2) SigXploer 1.2.1 SigXploer Analyze Liberary 2.3 1.2.2 1.2.2.1 Edit Add Part Model Browser 8.5 MicroStrip_1 Sigxplore MicroStrip_1 ( 8.4) 1.2.2.2 8.5 8.5 Model Type Filter IbisDevice IBIS Browser 8.6 8.6 IBIS PowerPC_8245_35 8.7 8245 11
8.7 8245 C1 1.2.2.3 8.9 GenericElement 1.2.2.4 8.10 8.10 1.2.2.5 12
8.10 Analyze Simulate 10.1 8.10 11.1 SIM ID( ) diver( ) receiver( ) cycle( ) FTS MODE monotonic Noise Margin( ) overshoothigh( ) overshootlow( ) PropDelay( ) switch delay( ) settle delay 13
Sigxplore set constraints Existing Rules update SQ SpecctrQuest 14