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Clean up and generalize layer rules.

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Convert metalN to mN.
Generalize helper constants in modules for
space, width, enclose, etc.
Use layer stacks whever possible.
Try to remove drc() calls in liu of helper constants.
This commit is contained in:
Matt Guthaus
2019-12-17 11:03:36 -08:00
parent a79d03fef4
commit ed28b4983b
52 changed files with 604 additions and 578 deletions
Download Patch File Download Diff File Expand all files Collapse all files
technology/freepdk45/tech/tech.py
+39 -39
View File
@@ -39,17 +39,17 @@ GDS["zoom"] = 0.05
# Interconnect stacks
###################################################
poly_stack = ("poly", "contact", "metal1")
active_stack = ("active", "contact", "metal1")
m1_stack = ("metal1", "via1", "metal2")
m2_stack = ("metal2", "via2", "metal3")
m3_stack = ("metal3", "via3", "metal4")
poly_stack = ("poly", "contact", "m1")
active_stack = ("active", "contact", "m1")
m1_stack = ("m1", "via1", "m2")
m2_stack = ("m2", "via2", "m3")
m3_stack = ("m3", "via3", "m4")
# The FEOL stacks get us up to metal1
# The FEOL stacks get us up to m1
feol_stacks = [poly_stack,
active_stack]
# The BEOL stacks are metal1 and up
# The BEOL stacks are m1 and up
beol_stacks = [m1_stack,
m2_stack,
m3_stack]
@@ -73,25 +73,25 @@ layer["vth"] = (7, 0)
layer["thkox"] = (8, 0)
layer["poly"] = (9, 0)
layer["contact"] = (10, 0)
layer["metal1"] = (11, 0)
layer["m1"] = (11, 0)
layer["via1"] = (12, 0)
layer["metal2"] = (13, 0)
layer["m2"] = (13, 0)
layer["via2"] = (14, 0)
layer["metal3"] = (15, 0)
layer["m3"] = (15, 0)
layer["via3"] = (16, 0)
layer["metal4"] = (17, 0)
layer["m4"] = (17, 0)
layer["via4"] = (18, 0)
layer["metal5"] = (19, 0)
layer["m5"] = (19, 0)
layer["via5"] = (20, 0)
layer["metal6"] = (21, 0)
layer["m6"] = (21, 0)
layer["via6"] = (22, 0)
layer["metal7"] = (23, 0)
layer["m7"] = (23, 0)
layer["via7"] = (24, 0)
layer["metal8"] = (25, 0)
layer["m8"] = (25, 0)
layer["via8"] = (26, 0)
layer["metal9"] = (27, 0)
layer["m9"] = (27, 0)
layer["via9"] = (28, 0)
layer["metal10"] = (29, 0)
layer["m10"] = (29, 0)
layer["text"] = (239, 0)
layer["boundary"]= (239, 0)
@@ -144,7 +144,7 @@ drc["poly_extend_active"] = 0.055
# Not a rule
drc["poly_to_contact"] = 0.075
# POLY.4 Minimum enclosure of active around gate
drc["active_enclosure_gate"] = 0.07
drc["active_enclose_gate"] = 0.07
# POLY.5 Minimum spacing of field poly to active
drc["poly_to_active"] = 0.05
# POLY.6 Minimum Minimum spacing of field poly
@@ -153,7 +153,7 @@ drc["poly_to_field_poly"] = 0.075
drc["minarea_poly"] = 0.0
# ACTIVE.2 Minimum spacing of active
drc["active_to_body_active"] = 0.08
drc["active_to_active"] = 0.08
# ACTIVE.1 Minimum width of active
drc.add_layer("active",
width = 0.09,
@@ -212,17 +212,17 @@ drc["contact_to_poly"] = 0.090
# METAL1.1 Minimum width of metal1
# METAL1.2 Minimum spacing of metal1
drc.add_layer("metal1",
drc.add_layer("m1",
width = 0.065,
spacing = 0.065)
# METAL1.3 Minimum enclosure around contact on two opposite sides
drc.add_enclosure("metal1",
drc.add_enclosure("m1",
layer = "contact",
enclosure = 0,
extension = 0.035)
# METAL1.4 inimum enclosure around via1 on two opposite sides
drc.add_enclosure("metal1",
drc.add_enclosure("m1",
layer = "via1",
enclosure = 0,
extension = 0.035)
@@ -236,18 +236,18 @@ drc.add_layer("via1",
# METALINT.1 Minimum width of intermediate metal
# METALINT.2 Minimum spacing of intermediate metal
drc.add_layer("metal2",
drc.add_layer("m2",
width = 0.07,
spacing = 0.07)
# METALINT.3 Minimum enclosure around via1 on two opposite sides
drc.add_enclosure("metal2",
drc.add_enclosure("m2",
layer = "via1",
enclosure = 0,
extension = 0.035)
# METALINT.4 Minimum enclosure around via[2-3] on two opposite sides
drc.add_enclosure("metal2",
drc.add_enclosure("m2",
layer = "via2",
enclosure = 0,
extension = 0.035)
@@ -260,12 +260,12 @@ drc.add_layer("via2",
# METALINT.1 Minimum width of intermediate metal
# METALINT.2 Minimum spacing of intermediate metal
# Minimum spacing of metal3 wider than 0.09 & longer than 0.3 = 0.09
# Minimum spacing of metal3 wider than 0.27 & longer than 0.9 = 0.27
# Minimum spacing of metal3 wider than 0.5 & longer than 1.8 = 0.5
# Minimum spacing of metal3 wider than 0.9 & longer than 2.7 = 0.9
# Minimum spacing of metal3 wider than 1.5 & longer than 4.0 = 1.5
drc.add_layer("metal3",
# Minimum spacing of m3 wider than 0.09 & longer than 0.3 = 0.09
# Minimum spacing of m3 wider than 0.27 & longer than 0.9 = 0.27
# Minimum spacing of m3 wider than 0.5 & longer than 1.8 = 0.5
# Minimum spacing of m3 wider than 0.9 & longer than 2.7 = 0.9
# Minimum spacing of m3 wider than 1.5 & longer than 4.0 = 1.5
drc.add_layer("m3",
width = 0.07,
spacing = drc_lut({(0.00, 0.0) : 0.07,
(0.09, 0.3) : 0.09,
@@ -274,13 +274,13 @@ drc.add_layer("metal3",
(0.90, 2.7) : 0.9,
(1.50, 4.0) : 1.5}))
# METALINT.3 Minimum enclosure around via1 on two opposite sides
drc.add_enclosure("metal3",
drc.add_enclosure("m3",
layer = "via2",
enclosure = 0,
extension = 0.035)
# METALINT.4 Minimum enclosure around via[2-3] on two opposite sides
drc.add_enclosure("metal3",
drc.add_enclosure("m3",
layer = "via3",
enclosure = 0,
extension = 0.035)
@@ -293,11 +293,11 @@ drc.add_layer("via3",
# METALSMG.1 Minimum width of semi-global metal
# METALSMG.2 Minimum spacing of semi-global metal
# Minimum spacing of metal4 wider than 0.27 & longer than 0.9 = 0.27
# Minimum spacing of metal4 wider than 0.5 & longer than 1.8 = 0.5
# Minimum spacing of metal4 wider than 0.9 & longer than 2.7 = 0.9
# Minimum spacing of metal4 wider than 1.5 & longer than 4.0 = 1.5
drc.add_layer("metal4",
# Minimum spacing of m4 wider than 0.27 & longer than 0.9 = 0.27
# Minimum spacing of m4 wider than 0.5 & longer than 1.8 = 0.5
# Minimum spacing of m4 wider than 0.9 & longer than 2.7 = 0.9
# Minimum spacing of m4 wider than 1.5 & longer than 4.0 = 1.5
drc.add_layer("m4",
width = 0.14,
spacing = drc_lut({(0.00, 0.0) : 0.14,
(0.27, 0.9) : 0.27,
@@ -305,7 +305,7 @@ drc.add_layer("metal4",
(0.90, 2.7) : 0.9,
(1.50, 4.0) : 1.5}))
# METALSMG.3 Minimum enclosure around via[3-6] on two opposite sides
drc.add_enclosure("metal4",
drc.add_enclosure("m4",
layer = "via3",
enclosure = 0.0025)
technology/scn4m_subm/tech/tech.py
+31 -32
View File
@@ -39,17 +39,17 @@ GDS["zoom"] = 0.5
# Interconnect stacks
###################################################
poly_stack = ("poly", "poly_contact", "metal1")
active_stack = ("active", "active_contact", "metal1")
m1_stack = ("metal1", "via1", "metal2")
m2_stack = ("metal2", "via2", "metal3")
m3_stack = ("metal3", "via3", "metal4")
poly_stack = ("poly", "poly_contact", "m1")
active_stack = ("active", "active_contact", "m1")
m1_stack = ("m1", "via1", "m2")
m2_stack = ("m2", "via2", "m3")
m3_stack = ("m3", "via3", "m4")
# The FEOL stacks get us up to metal1
# The FEOL stacks get us up to m1
feol_stacks = [poly_stack,
active_stack]
# The BEOL stacks are metal1 and up
# The BEOL stacks are m1 and up
beol_stacks = [m1_stack,
m2_stack,
m3_stack]
@@ -73,13 +73,13 @@ layer["nimplant"] = (45, 0)
layer["poly"] = (46, 0)
layer["poly_contact"] = (47, 0)
layer["active_contact"] = (48, 0)
layer["metal1"] = (49, 0)
layer["m1"] = (49, 0)
layer["via1"] = (50, 0)
layer["metal2"] = (51, 0)
layer["m2"] = (51, 0)
layer["via2"] = (61, 0)
layer["metal3"] = (62, 0)
layer["m3"] = (62, 0)
layer["via3"] = (30, 0)
layer["metal4"] = (31, 0)
layer["m4"] = (31, 0)
layer["text"] = (63, 0)
layer["boundary"] = (63, 0)
@@ -132,19 +132,18 @@ drc["poly_extend_active"] = 2*_lambda_
# 5.5.b Minimum spacing between poly contact and other poly (alternative rules)
drc["poly_to_contact"] = 4*_lambda_
# ??
drc["active_enclosure_gate"] = 0.0
drc["active_enclose_gate"] = 0.0
# 3.5 Minimum field poly to active
drc["poly_to_active"] = _lambda_
# 3.2.a Minimum spacing over field poly
drc["poly_to_field_poly"] = 3*_lambda_
# ??
drc["active_to_body_active"] = 4*_lambda_ # Fix me
# 2.1 Minimum width
# 2.2 Minimum spacing
drc.add_layer("active",
width = 3*_lambda_,
spacing = 3*_lambda_)
spacing = 4*_lambda_)
# 2.3 Source/drain active to well edge
drc.add_enclosure("well",
layer = "active",
@@ -200,18 +199,18 @@ drc["poly_contact_to_poly"] = 2*_lambda_
# 7.1 Minimum width
# 7.2 Minimum spacing
drc.add_layer("metal1",
drc.add_layer("m1",
width = 3*_lambda_,
spacing = 3*_lambda_)
# 7.3 Minimum overlap of any contact
drc.add_enclosure("metal1",
drc.add_enclosure("m1",
layer = "poly_contact",
enclosure = _lambda_)
drc.add_enclosure("metal1",
drc.add_enclosure("m1",
layer = "active_contact",
enclosure = _lambda_)
# 8.3 Minimum overlap by metal1
drc.add_enclosure("metal1",
# 8.3 Minimum overlap by m1
drc.add_enclosure("m1",
layer = "via1",
enclosure = _lambda_)
@@ -223,15 +222,15 @@ drc.add_layer("via1",
# 9.1 Minimum width
# 9.2 Minimum spacing
drc.add_layer("metal2",
drc.add_layer("m2",
width = 3*_lambda_,
spacing = 3*_lambda_)
# 9.3 Minimum overlap of via1
drc.add_enclosure("metal2",
drc.add_enclosure("m2",
layer = "via1",
enclosure = _lambda_)
# 14.3 Minimum overlap by metal2
drc.add_enclosure("metal2",
# 14.3 Minimum overlap by m2
drc.add_enclosure("m2",
layer = "via2",
enclosure = _lambda_)
@@ -242,18 +241,18 @@ drc.add_layer("via2",
spacing = 3*_lambda_)
# 15.1 Minimum width
# 15.2 Minimum spacing to metal3
drc.add_layer("metal3",
# 15.2 Minimum spacing to m3
drc.add_layer("m3",
width = 3*_lambda_,
spacing = 3*_lambda_)
# 15.3 Minimum overlap of via 2
drc.add_enclosure("metal3",
drc.add_enclosure("m3",
layer = "via2",
enclosure = _lambda_)
# 21.3 Minimum overlap by metal3
drc.add_enclosure("metal3",
# 21.3 Minimum overlap by m3
drc.add_enclosure("m3",
layer = "via3",
enclosure = _lambda_)
@@ -264,13 +263,13 @@ drc.add_layer("via3",
spacing = 3*_lambda_)
# 22.1 Minimum width
# 22.2 Minimum spacing to metal4
drc.add_layer("metal4",
# 22.2 Minimum spacing to m4
drc.add_layer("m4",
width = 6*_lambda_,
spacing = 6*_lambda_)
# 22.3 Minimum overlap of via 3
drc.add_enclosure("metal4",
drc.add_enclosure("m4",
layer = "via3",
enclosure = 2*_lambda_)