release time:2022-03-17Author source:SlkorBrowse:825
The relationship between the number of Fingers and the Finger Width, as long as the Total Width of the device is consistent with the design value.
The devices with adjusted size and layout are shown in the figure. Next, start connecting devices, select M1 in LWS column, then use shortcut key P or R to complete the connection between MOS tubes, reserve the lines of AVDD and AVSS at the upper and lower positions respectively, and finally use shortcut key L to name the connection nodes (use txt layer corresponding to metal, for example, M1TXT layer). After completing the above steps, the layout should look similar to the screenshot below.
The remaining content, which may not be easy to understand, and is easily overlooked by many beginners, is to add substrate contact to NMOS and PMOS. So what is substrate contact?
After completing the above steps, you can select: Edit->Advanced->Move Origin in the layout design interface, and select the coordinate origin of the layout, which will be more convenient when you need to call it later.
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