standanley/magic_analog_tests

Example files for analog layout in Magic

Most of the interesting files are in the magic_files/ folder. Below are the commands to run for various magic functions.

LVS

From magic:

extract all
ext2spice lvs
ext2spice -o osc_adj_lvs.spice

From the magic_files/ folder:

module load netgen
export PDKPATH="/afs/ir.stanford.edu/class/ee272/PDKS/sky130A"
netgen -batch lvs "../netlist_from_xschem.spice osc_adj" "osc_adj_lvs.spice test_osc_adj" $PDKPATH/libs.tech/netgen/sky130A_setup.tcl

PEX

From magic:

extract all
ext2spice lvs
ext2spice cthresh 0
ext2spice rthresh 0
ext2spice -o osc_adj_pex.spice

GDS

From magic:

gds write osc_adj.gds

LEF

From magic:

lef write osc_adj.lef

Some useful magic shortcuts

Macro	Result
s	Select the thing under the cursor. Pressing it multiple times cycles through different selections.
Left click / Right click	Move the lower-left of the box to the cursor / set the upper-right of the box to the cursor
Middle click	Paint the box with whatever layers the cursor is over
z / Z	zoom in / Zoom out
m / c	Move / copy the selection to the cursor
:label	Create a label where the box is
:findlabel abc	Select the label with name “abc”
:port make	Turn the selected label into a port. The “port” command can also set the direction/use of a port.
u / U	undo / redo

More info about these commands and more at http://opencircuitdesign.com/magic/userguide.html