12;6 To create an 18-chip configuration, you will need a variety of tools and software for circuit design and simulation. Here are some of the most relevant tools and software options:

Circuit Design and Simulation Tools

1. EasyEDA
   • Features: Cloud-based, mixed-mode circuit signal, enhanced schematic capture, efficient PCB layout.
   • Pros: Free base version, user-friendly interface, extensive component libraries, integration with various PLM, OA, ERP, and PDM tools.
   • Cons: Not completely open-source, desktop client requires online access for certain features.
   • Use Case: Ideal for quick prototyping and collaboration.

14;5 2. LTspice

• Features: SPICE-based simulator, integrated schematic capture, waveform visualizer, extensive model libraries.
• Pros: Free, user-friendly GUI, supports a wide array of file types for import/export.
• Cons: High learning curve for beginners, slightly outdated interface.
• Use Case: Suitable for simulating complex analog circuits and switching regulators.

15;3 3. NI Multisim

• Features: SPICE simulation, interactive schematic capture, virtual instrumentation, microcontroller simulations.
• Pros: User-friendly interface, extensive documentation and community support.
• Cons: Most versions are paid, high learning curve for beginners.
• Use Case: Good for educational purposes and beginners dealing with electronic circuits.

22;7,10 4. OpenROAD

• Features: Open-source, scalable, enables fast iterations on early design stages.
• Pros: Free, supports rapid prototyping and design iterations.
• Cons: Limited to early design stages.
• Use Case: Useful for initial design phases and rapid prototyping.

15;3 5. KiCad

• Features: Open-source, schematic capture, PCB layout, 3D viewer, extensive component libraries.
• Pros: Free, cross-platform, robust community support.
• Cons: Interface can be overwhelming for beginners.
• Use Case: Suitable for both hobbyists and professionals needing a powerful free tool1.

22;2,1 6. OrCAD

• Features: Advanced simulation capabilities, high-speed design tools, integration with Allegro for advanced PCB design.
• Pros: Comprehensive feature set, reliable for professional-grade projects.
• Cons: High cost, steep learning curve.
• Use Case: Ideal for complex and high-speed circuit designs2.

23;9,8 7. Altium Designer

• Features: Unified design environment, advanced routing capabilities, extensive component libraries, 3D modeling, real-time collaboration tools.
• Pros: Comprehensive toolset, user-friendly interface.
• Cons: High cost.
• Use Case: Suitable for handling complex projects with ease2.

Additional Tools and Software

1. Cadence PSpice

   • Features: Advanced simulation capabilities, integration with OrCAD for comprehensive circuit simulation and analysis.
   • Pros: Powerful simulation tools, widely used in academia and industry.
   • Cons: Resource-intensive, demanding higher system specifications for optimal performance.
   • Use Case: Ideal for detailed circuit analysis and simulation5.

2. Synopsys Custom Design Platform

   • Features: Comprehensive suite of tools for custom IC design, including simulation and verification tools.
   • Pros: Advanced features for high-performance designs, extensive support for complex projects.
   • Cons: High cost, complex to use without prior experience.
   • Use Case: Suitable for professional-grade custom IC designs3.

3. RF Circuit Simulator Pro 2024 by Keysight EDA

   • Features: Advanced RFIC simulation and analysis tools.
   • Pros: Specialized for RF circuit design, comprehensive documentation and support.
   • Cons: High cost, specialized use case.
   • Use Case: Ideal for RF circuit design and simulation4.

Conclusion

Creating an 18-chip configuration requires a combination of powerful design and simulation tools to ensure accuracy and efficiency. Tools like EasyEDA, LTspice, NI Multisim, OpenROAD, KiCad, OrCAD, Altium Designer, Cadence PSpice, Synopsys Custom Design Platform, and RF Circuit Simulator Pro 2024 offer a range of features suitable for different stages of the design process. Depending on your specific needs and budget, you can choose the tools that best fit your project requirements.