TINA/Spice/TPS53355: OrCAD issues error "ERROR(ORPSIM-15108): Subcircuit TPS53355 used by X_U1 is undefined" - Simulation, hardware & system design tools forum - Simulation, hardware & system design tools - TI E2E support forums
A PSpice Tutorial for Demonstrating Digital Logic
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Analog Design and Simulation using OrCAD Capture and PSpice: Fitzpatrick, Dennis: 9780080970950: Amazon.com: Books
Altium Designer vs. Orcad PCB Designer Professional – Welldone Blog