: Building a single simulatable component can take hours. Repacks add thousands instantly.
| Document Type | Storage Location | Core Constraint | Engineering Risk Point | |---|---|---|---| | Symbol | .mdb Symbols table | Pin names, electrical type (I/O/BIDIR/PWR), graphical coordinates | If a GND pin is labeled as I/O , the SPICE netlist will miss the ground path entirely | | Model | Same .mdb Models table or external .lib | SPICE syntax compliance, complete default parameters, no undefined variables | A MODEL NMOS NMOS(LEVEL=1) missing VTO will cause DC analysis to diverge | | Footprint | .mdb Footprints table | Pad sizes, silkscreen frame, 3D model path | Pads 0.1mm smaller than the actual chip will trigger DFM warnings from the PCB manufacturer |
: Building a single simulatable component can take hours. Repacks add thousands instantly.
| Document Type | Storage Location | Core Constraint | Engineering Risk Point | |---|---|---|---| | Symbol | .mdb Symbols table | Pin names, electrical type (I/O/BIDIR/PWR), graphical coordinates | If a GND pin is labeled as I/O , the SPICE netlist will miss the ground path entirely | | Model | Same .mdb Models table or external .lib | SPICE syntax compliance, complete default parameters, no undefined variables | A MODEL NMOS NMOS(LEVEL=1) missing VTO will cause DC analysis to diverge | | Footprint | .mdb Footprints table | Pad sizes, silkscreen frame, 3D model path | Pads 0.1mm smaller than the actual chip will trigger DFM warnings from the PCB manufacturer |
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