Practice By Sending Preliminary/Placeholder Layout
Submit A Design
MOSIS recommends you familiarize yourself with our submission process. One way to do so is to send preliminary/placeholder layout.
The preliminary/place holder layout does not need to be DRC- or LVS-clean. It should contain the same options and devices, use the same metal stack, and be the same size (in X and Y) as the final layout.
Identifying layout as preliminary/placeholder will ensure you don't unnecessarily commit your trial layout to fabrication, incur any for-cost procedure, or trigger any manual and labor intensive design handling.
When designs bound for a foundry that imposes further checks1 pass the manufacturability review, the projects then enter "Foundry Checks In Progress" rather than the "Queued For Fabrication" state. Foundry checks are manual and labor intensive. These checks are not made on preliminary/placeholder layout.
Should you become satisfied that what was sent as preliminary layout can be fabricated, send an Update Request and change the "Layout Status" parameter from "Preliminary" to "Final (ready for fabrication)." The layout as submitted will be fabricated, and any remaining checks will be performed.
When you are ready to submit revised layout as final, be sure to select "Final (ready for fabrication)" in the "Layout Status" parameter of the Fabricate Form.
1 Foundry Checks are performed on all GF, GFUS, and TSMC technologies, and the ON Semiconductor I2T and I3T processes.