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Use micron units for all simulation in sky130

This commit is contained in:
mrg 2020-08-12 13:54:55 -07:00
parent 0bec6f0439
commit 7ac4574e4f
1 changed files with 8 additions and 9 deletions
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17
compiler/pgates/ptx.py
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@ -129,7 +129,7 @@ class ptx(design.design):
# be decided in the layout later.
area_sd = 2.5 * self.poly_width * self.tx_width
perimeter_sd = 2 * self.poly_width + 2 * self.tx_width
if OPTS.tech_name == "sky130" and OPTS.lvs_exe and OPTS.lvs_exe[0] == "calibre":
if OPTS.tech_name == "sky130":
# sky130 simulation cannot use the mult parameter in simulation
(self.tx_width, self.mults) = pgate.best_bin(self.tx_type, self.tx_width)
main_str = "M{{0}} {{1}} {0} m={1} w={2} l={3} ".format(spice[self.tx_type],
@ -148,20 +148,19 @@ class ptx(design.design):
area_str = "pd={0:.2f}u ps={0:.2f}u as={1:.2f}p ad={1:.2f}p".format(perimeter_sd,
area_sd)
self.spice_device = main_str + area_str
self.spice.append("\n* ptx " + self.spice_device)
self.spice.append("\n* spice ptx " + self.spice_device)
if OPTS.tech_name == "sky130" and OPTS.lvs_exe and OPTS.lvs_exe[0] == "calibre":
# sky130 requires mult parameter too
self.lvs_device = "M{{0}} {{1}} {0} m={1} w={2} l={3} mult={1}".format(spice[self.tx_type],
self.mults,
self.tx_width,
drc("minwidth_poly"))
self.mults,
self.tx_width,
drc("minwidth_poly"))
else:
self.lvs_device = "M{{0}} {{1}} {0} m={1} w={2}u l={3}u ".format(spice[self.tx_type],
self.mults,
self.tx_width,
drc("minwidth_poly"))
self.mults,
self.tx_width,
drc("minwidth_poly"))
def setup_layout_constants(self):
"""
Pre-compute some handy layout parameters.