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Removed the name from ptx class. Ptx name is uniquely constructed based on the ptx parameters of type, width, and mult. This allows reuse of ptx among multiple modules.

This commit is contained in:
Matt Guthaus 2017-04-26 14:33:03 -07:00
parent 1e8743f5a5
commit cffcd46f6d
13 changed files with 39 additions and 66 deletions
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7
compiler/hierarchy_layout.py
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@ -126,7 +126,7 @@ class layout:
offset=offset) offset=offset)
def add_label(self, text, layer, offset=[0,0],zoom=1): def add_label(self, text, layer, offset=[0,0],zoom=0.05):
"""Adds a text label on the given layer,offset, and zoom level""" """Adds a text label on the given layer,offset, and zoom level"""
# negative layers indicate "unused" layers in a given technology # negative layers indicate "unused" layers in a given technology
layerNumber = techlayer[layer] layerNumber = techlayer[layer]
@ -231,11 +231,10 @@ class layout:
self.connect_inst([]) self.connect_inst([])
return via return via
def add_ptx(self, name, offset, mirror="R0", rotate=0, width=1, mults=1, tx_type="nmos"): def add_ptx(self, offset, mirror="R0", rotate=0, width=1, mults=1, tx_type="nmos"):
"""Adds a ptx module to the design.""" """Adds a ptx module to the design."""
import ptx import ptx
mos = ptx.ptx(name=name, mos = ptx.ptx(width=width,
width=width,
mults=mults, mults=mults,
tx_type=tx_type) tx_type=tx_type)
self.add_mod(mos) self.add_mod(mos)

12
compiler/nand_2.py
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@ -66,24 +66,20 @@ class nand_2(design.design):
# transistors are created here but not yet placed or added as a module # transistors are created here but not yet placed or added as a module
def create_ptx(self): def create_ptx(self):
""" Add required modules """ """ Add required modules """
self.nmos1 = ptx(name="nand_2_nmos1", self.nmos1 = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos1) self.add_mod(self.nmos1)
self.nmos2 = ptx(name="nand_2_nmos2", self.nmos2 = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos2) self.add_mod(self.nmos2)
self.pmos1 = ptx(name="nand_2_pmos1", self.pmos1 = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.pmos1) self.add_mod(self.pmos1)
self.pmos2 = ptx(name="nand_2_pmos2", self.pmos2 = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.pmos2) self.add_mod(self.pmos2)

18
compiler/nand_3.py
View File

@ -65,34 +65,28 @@ class nand_3(design.design):
def create_ptx(self): def create_ptx(self):
""" Create ptx but not yet placed""" """ Create ptx but not yet placed"""
self.nmos1 = ptx(name="nand_3_nmos1", self.nmos1 = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos1) self.add_mod(self.nmos1)
self.nmos2 = ptx(name="nand_3_nmos2", self.nmos2 = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos2) self.add_mod(self.nmos2)
self.nmos3 = ptx(name="nand_3_nmos3", self.nmos3 = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos3) self.add_mod(self.nmos3)
self.pmos1 = ptx(name="nand_3_pmos1", self.pmos1 = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.pmos1) self.add_mod(self.pmos1)
self.pmos2 = ptx(name="nand_3_pmos2", self.pmos2 = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.pmos2) self.add_mod(self.pmos2)
self.pmos3 = ptx(name="nand_3_pmos3", self.pmos3 = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.pmos3) self.add_mod(self.pmos3)

18
compiler/nor_2.py
View File

@ -61,12 +61,10 @@ class nor_2(design.design):
for pmos_mults in range(1, 5): for pmos_mults in range(1, 5):
nmos_size = self.nmos_width nmos_size = self.nmos_width
pmos_size = 4 * self.nmos_width / pmos_mults pmos_size = 4 * self.nmos_width / pmos_mults
test_nmos = ptx(name="testp", test_nmos = ptx(width=nmos_size,
width=nmos_size,
mults=nmos_mults, mults=nmos_mults,
tx_type="nmos") tx_type="nmos")
test_pmos = ptx(name="testn", test_pmos = ptx(width=pmos_size,
width=pmos_size,
mults=pmos_mults, mults=pmos_mults,
tx_type="nmos") tx_type="nmos")
@ -96,24 +94,20 @@ class nor_2(design.design):
def create_modules(self): def create_modules(self):
"""transistors are created as modules""" """transistors are created as modules"""
self.nmos1 = ptx(name="nor_2_nmos1", self.nmos1 = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.nmos_mults, mults=self.nmos_mults,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos1) self.add_mod(self.nmos1)
self.nmos2 = ptx(name="nor_2_nmos2", self.nmos2 = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.nmos_mults, mults=self.nmos_mults,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos2) self.add_mod(self.nmos2)
self.pmos1 = ptx(name="nor_2_pmos1", self.pmos1 = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.pmos_mults, mults=self.pmos_mults,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.pmos1) self.add_mod(self.pmos1)
self.pmos2 = ptx(name="nor_2_pmos2", self.pmos2 = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.pmos_mults, mults=self.pmos_mults,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.pmos2) self.add_mod(self.pmos2)

6
compiler/pinv.py
View File

@ -90,15 +90,13 @@ class pinv(design.design):
def create_ptx(self): def create_ptx(self):
"""Intiializes a ptx object""" """Intiializes a ptx object"""
self.nmos = ptx(name="inv_nmos1", self.nmos = ptx(width=self.nmos_size,
width=self.nmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="nmos") tx_type="nmos")
self.nmos.connect_fingered_poly() self.nmos.connect_fingered_poly()
self.nmos.connect_fingered_active() self.nmos.connect_fingered_active()
self.add_mod(self.nmos) self.add_mod(self.nmos)
self.pmos = ptx(name="inv_pmos1", self.pmos = ptx(width=self.pmos_size,
width=self.pmos_size,
mults=self.tx_mults, mults=self.tx_mults,
tx_type="pmos") tx_type="pmos")
self.pmos.connect_fingered_poly() self.pmos.connect_fingered_poly()

9
compiler/precharge.py
View File

@ -45,19 +45,16 @@ class precharge(design.design):
def create_ptx(self): def create_ptx(self):
"""Initializes the upper and lower pmos""" """Initializes the upper and lower pmos"""
self.lower_pmos = ptx(name="lower_pmos", self.lower_pmos = ptx(width=self.ptx_width,
width=self.ptx_width,
mults=1, mults=1,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.lower_pmos) self.add_mod(self.lower_pmos)
self.upper_pmos = ptx(name="upper_pmos", self.upper_pmos = ptx(width=self.beta * self.ptx_width,
width=self.beta * self.ptx_width,
mults=1, mults=1,
tx_type="pmos") tx_type="pmos")
self.upper_pmos = self.upper_pmos self.upper_pmos = self.upper_pmos
self.add_mod(self.upper_pmos) self.add_mod(self.upper_pmos)
self.temp_pmos = ptx(name="temp_upper_pmos", self.temp_pmos = ptx(width=self.beta * self.ptx_width,
width=self.beta * self.ptx_width,
mults=2, mults=2,
tx_type="pmos") tx_type="pmos")
self.temp_pmos.remove_source_connect() self.temp_pmos.remove_source_connect()

14
compiler/ptx.py
View File

@ -9,12 +9,8 @@ class ptx(design.design):
This module generates gds and spice of a parametrically NMOS or PMOS sized transistor. This module generates gds and spice of a parametrically NMOS or PMOS sized transistor.
Creates a simple MOS transistor Creates a simple MOS transistor
""" """
# This is used to create a unique MOS ID name by avoiding collisions def __init__(self, width=1, mults=1, tx_type="nmos"):
unique_mos_id = 1 name = "{0}_m{1}_w{2}".format(tx_type, mults, width)
def __init__(self, name, width=1, mults=1, tx_type="nmos"):
name = "{0}{1}".format(name, ptx.unique_mos_id)
ptx.unique_mos_id += 1
design.design.__init__(self, name) design.design.__init__(self, name)
debug.info(3, "create ptx structure {0}".format(name)) debug.info(3, "create ptx structure {0}".format(name))
@ -281,6 +277,8 @@ class ptx(design.design):
del self.insts[self.drain_connect_index] del self.insts[self.drain_connect_index]
del self.drain_connect_index del self.drain_connect_index
self.offset_all_coordinates() self.offset_all_coordinates()
# change the name so it is unique
self.name = self.name + "_rd"
except: except:
pass pass
@ -292,6 +290,8 @@ class ptx(design.design):
if isinstance(self.drain_connect_index, int): if isinstance(self.drain_connect_index, int):
self.drain_connect_index -= 1 self.drain_connect_index -= 1
self.offset_all_coordinates() self.offset_all_coordinates()
# change the name so it is unique
self.name = self.name + "_rs"
except: except:
pass pass
@ -300,5 +300,7 @@ class ptx(design.design):
try: try:
del self.objs[self.poly_connect_index] del self.objs[self.poly_connect_index]
self.offset_all_coordinates() self.offset_all_coordinates()
# change the name so it is unique
self.name = self.name + "_rp"
except: except:
pass pass

3
compiler/replica_bitline.py
View File

@ -109,8 +109,7 @@ class replica_bitline(design.design):
nmos_width=drc["minwidth_tx"]) nmos_width=drc["minwidth_tx"])
self.add_mod(self.nor) self.add_mod(self.nor)
self.access_tx = ptx(name="access_tx", self.access_tx = ptx(width=drc["minwidth_tx"],
width=drc["minwidth_tx"],
mults=1, mults=1,
tx_type="pmos") tx_type="pmos")
self.add_mod(self.access_tx) self.add_mod(self.access_tx)

6
compiler/single_level_column_mux.py
View File

@ -44,13 +44,11 @@ class single_level_column_mux(design.design):
def create_ptx(self): def create_ptx(self):
"""Initializes the nmos1 and nmos2 transistors""" """Initializes the nmos1 and nmos2 transistors"""
self.nmos1 = ptx(name="nmos1", self.nmos1 = ptx(width=self.ptx_width,
width=self.ptx_width,
mults=1, mults=1,
tx_type="nmos") tx_type="nmos")
self.add_mod(self.nmos1) self.add_mod(self.nmos1)
self.nmos2 = ptx(name="nmos2", self.nmos2 = ptx(width=self.ptx_width,
width=self.ptx_width,
mults=1, mults=1,
tx_type="nmos") tx_type="nmos")
self.nmos2 = self.nmos2 self.nmos2 = self.nmos2

3
compiler/tests/03_ptx_1finger_nmos_test.py
View File

@ -25,8 +25,7 @@ class ptx_test(unittest.TestCase):
import tech import tech
debug.info(2, "Checking min size NMOS with 1 finger") debug.info(2, "Checking min size NMOS with 1 finger")
fet = ptx.ptx(name="nmos_1_finger", fet = ptx.ptx(width=tech.drc["minwidth_tx"],
width=tech.drc["minwidth_tx"],
mults=1, mults=1,
tx_type="nmos") tx_type="nmos")
# return it back to it's normal state # return it back to it's normal state

3
compiler/tests/03_ptx_1finger_pmos_test.py
View File

@ -25,8 +25,7 @@ class ptx_test(unittest.TestCase):
import tech import tech
debug.info(2, "Checking min size PMOS with 1 finger") debug.info(2, "Checking min size PMOS with 1 finger")
fet = ptx.ptx(name="pmos_1_finger", fet = ptx.ptx(width=tech.drc["minwidth_tx"],
width=tech.drc["minwidth_tx"],
mults=1, mults=1,
tx_type="pmos") tx_type="pmos")
# return it back to it's normal state # return it back to it's normal state

3
compiler/tests/03_ptx_3finger_nmos_test.py
View File

@ -25,8 +25,7 @@ class ptx_test(unittest.TestCase):
import tech import tech
debug.info(2, "Checking three fingers NMOS") debug.info(2, "Checking three fingers NMOS")
fet = ptx.ptx(name="nmos_3_fingers", fet = ptx.ptx(width=tech.drc["minwidth_tx"],
width=tech.drc["minwidth_tx"],
mults=3, mults=3,
tx_type="nmos") tx_type="nmos")
# return it back to it's normal state # return it back to it's normal state

3
compiler/tests/03_ptx_3finger_pmos_test.py
View File

@ -25,8 +25,7 @@ class ptx_test(unittest.TestCase):
import tech import tech
debug.info(2, "Checking three fingers PMOS") debug.info(2, "Checking three fingers PMOS")
fet = ptx.ptx(name="pmos_3_fingers", fet = ptx.ptx(width=tech.drc["minwidth_tx"],
width=tech.drc["minwidth_tx"],
mults=3, mults=3,
tx_type="pmos") tx_type="pmos")
# return it back to it's normal state # return it back to it's normal state