PyCell Layout: NMOS Transistor with Stretch Handles

NMOS TRANSISTOR PYCELL WITH STRETCH HANDLES

PyCell Description:

This PyCell creates a NMOS transistor with stretch handles to speed manual layout. Users may specify interdigitation, gate contact options, source and drain wiring options, and guard rings. Additional parameters are available for modifying contact-to-gate spacing and contact alignment on diffusion and gates. This PyCell automatically creates all user-specified connectivity for source and drain. The connectivity, spacing and contacts conform to the design rules for the process in use.

PyCell Plot:

PyCell Parameters:

Results of Different Parameter Values:



Top & Bottom Gate Contacts with Source & Drain Connections:	Top Gate Contact Only with Source Connections Only:

Process Technology:

The PyCell layouts above were generated for a generic 130nm process. This same PyCell source code has been tested to create design rule correct layout for both minimum spacing rules and recommended rules for foundry 65nm and 90nm processes, and for minimum spacing rules at 130nm, 180nm and 250nm.

Source Code:

PyCell name:	Nmos3
Source name:	Mosfet3.py