diff --git a/checks/be_checks/tech/gf180mcuD/cvc.models b/checks/be_checks/tech/gf180mcuD/cvc.models
index 597295b..48415d5 100644
--- a/checks/be_checks/tech/gf180mcuD/cvc.models
+++ b/checks/be_checks/tech/gf180mcuD/cvc.models
@@ -1,77 +1,27 @@
 
-MN nfet_01v8 Vth=0.2 Vgs=1.8 Vds=1.8
-MP pfet_01v8_hvt Vth=-0.2 Vgs=1.8 Vds=1.8
-
-R short model=switch_on
-
 D np_6p0
 D pn_6p0 
 D diode_nd2ps_06v0
 D diode_pd2nw_06v0
 
-D sky130_fd_pr__diode_pw2nd_05v5 
-D sky130_fd_pr__diode_pw2nd_11v0 
-D sky130_fd_pr__diode_pw2nd_05v5_nvt 
-D sky130_fd_pr__diode_pd2nw_05v5
-D sky130_fd_pr__diode_pd2nw_05v5_lvt
-D sky130_fd_pr__diode_pd2nw_11v0
-D sky130_fd_pr__model__parasitic__diode_ps2dn
-D sky130_fd_pr__model__parasitic__diode_ps2nw
-D sky130_fd_pr__model__parasitic__diode_pw2dn
 D condiode
 
-
 R ppolyf_u_1k_6p0 R=r_length/r_width*50
-
-#R sky130_fd_pr__res_generic_m1 R=l/w*0.125
-#R sky130_fd_pr__res_generic_m2 R=l/w*0.125
-#R sky130_fd_pr__res_generic_m3 R=l/w*0.047
-#R sky130_fd_pr__res_generic_m4 R=l/w*0.047
-#R sky130_fd_pr__res_generic_nd R=l/w*0.029
-R sky130_fd_pr__res_generic_l1 model=switch_on
-R sky130_fd_pr__res_generic_m1 model=switch_on
-R sky130_fd_pr__res_generic_m2 model=switch_on
-R sky130_fd_pr__res_generic_m3 model=switch_on
-R sky130_fd_pr__res_generic_m4 model=switch_on
-R sky130_fd_pr__res_generic_m5 model=switch_on
-R sky130_fd_pr__res_generic_nd R=l/w*120
-R sky130_fd_pr__res_generic_nd__hv R=l/w*114
-R sky130_fd_pr__res_generic_pd__hv R=l/w*191
-R sky130_fd_pr__res_generic_po R=l/w*48
-R sky130_fd_pr__res_xhigh_po R=l/w*2000
-R sky130_fd_pr__res_high_po R=l/w*2000
-R sky130_fd_pr__reram_reram_cell R=10
+R ppolyf_u R=r_length/r_width*50
 
 MN nfet_06v0 Vth=0.4
+MN nfet_06v0_dss Vth=0.4
 MP pfet_06v0 Vth=-0.4
+MP pfet_06v0_dss Vth=-0.4
 MN nmos_6p0 Vth=0.4
 MP pmos_6p0 Vth=-0.4
 MN nmos_3p3 Vth=0.3
 MP pmos_3p3 Vth=-0.3
 
-MN sky130_fd_pr__nfet_01v8 Vth=0.2 Vgs=1.8 Vds=1.8
-MN sky130_fd_pr__nfet_01v8_lvt Vth=0.1 Vgs=1.8 Vds=1.8
-MN sky130_fd_pr__special_nfet_latch Vth=0.2 Vgs=1.8 Vds=1.8
-MN sky130_fd_pr__nfet_03v3_nvt Vth=0.2 Vgs=3.3 Vds=3.3
-MN sky130_fd_pr__esd_nfet_g5v0d10v5 Vth=0.2
-MN sky130_fd_pr__nfet_05v0_nvt Vth=0.2
-MN sky130_fd_pr__nfet_g5v0d10v5 Vth=0.2
-MN sky130_fd_bs_flash__special_sonosfet_star Vth=0.2
-
-MP sky130_fd_pr__pfet_01v8 Vth=-0.2 Vgs=1.8 Vds=1.8
-MP sky130_fd_pr__pfet_01v8_lvt Vth=-0.1 Vgs=1.8 Vds=1.8
-MP sky130_fd_pr__pfet_01v8_hvt Vth=-0.3 Vgs=1.8 Vds=1.8
-MP sky130_fd_pr__special_pfet_pass Vth=-0.2 Vgs=1.8 Vds=1.8
-MP sky130_fd_pr__pfet_g5v0d10v5 Vth=-0.2
-
 C mim_2p0fF
 
-C sky130_fd_pr__cap_mim_m3_1
-C sky130_fd_pr__cap_mim_m3_2
-C sky130_fd_pr__cap_var
-C sky130_fd_pr__cap_var_lvt
 C cap_mim_2f0_m4m5_noshield
+C cap_nmos_06v0
 
-Q sky130_fd_pr__pnp_05v5
 
  
diff --git a/checks/be_checks/tech/gf180mcuD/cvc.power.caravel b/checks/be_checks/tech/gf180mcuD/cvc.power.caravel
index f80e6dc..f55dd56 100644
--- a/checks/be_checks/tech/gf180mcuD/cvc.power.caravel
+++ b/checks/be_checks/tech/gf180mcuD/cvc.power.caravel
@@ -1,18 +1,9 @@
-vccd power 1.8
-vccd1 power 1.8
-vccd2 power 1.8
-vdda power 3.3
-vdda1 power 3.3
-vdda1_2 power 3.3
-vdda2 power 3.3
-vddio power 3.3
-vddio_2 power 3.3
-vssa power 0.0
-vssa1 power 0.0
-vssa1_2 power 0.0
-vssa2 power 0.0
-vssd power 0.0
-vssd1 power 0.0
-vssd2 power 0.0
-vssio power 0.0
-vssio_2 power 0.0
+VDD power 5.0
+VSS power 0.0
+clock input min@0.0 max@5.0
+flash_clk input min@0.0 max@5.0
+flash_csb input min@0.0 max@5.0
+flash_io* input min@0.0 max@5.0
+gpio input min@0.0 max@5.0
+resetb input min@0.0 max@5.0
+mprj_io[*] input min@0.0 max@5.0
diff --git a/checks/be_checks/tech/gf180mcuD/gf180mcuD.tech b/checks/be_checks/tech/gf180mcuD/gf180mcuD.tech
index cf8a97a..5cc4b5a 100644
--- a/checks/be_checks/tech/gf180mcuD/gf180mcuD.tech
+++ b/checks/be_checks/tech/gf180mcuD/gf180mcuD.tech
@@ -15,7 +15,7 @@ tech
 end
 
 version
- version 1.0.453-0-g559a117
+ version 1.0.455-1-ge0f692f
  description "Global Foundries 180mcu: open PDK rules and DRC"
  requires magic-8.3.411
 end
@@ -3011,8 +3011,6 @@ extract
 
  tiedown alldiffnonfet
 
-variants ()
-  
  substrate *ppdiff,*mvppdiff,space/w,pwell well $SUB -dnwell,isosub
 
 # Layer resistance
@@ -3931,8 +3929,7 @@ variants (nowell)
 
 
 variants *
- device csubcircuit cap_mim_2f0fF *mimcap  *m4   l=c_length w=c_width
-
+ device csubcircuit cap_mim_2f0_m4m5_noshield *mimcap  *m4   l=c_length w=c_width
 end
 
 #-----------------------------------------------------
diff --git a/checks/be_checks/tech/gf180mcuD/known_abstract_filter.awk b/checks/be_checks/tech/gf180mcuD/known_abstract_filter.awk
index 8d49182..9da1950 100644
--- a/checks/be_checks/tech/gf180mcuD/known_abstract_filter.awk
+++ b/checks/be_checks/tech/gf180mcuD/known_abstract_filter.awk
@@ -4,4 +4,5 @@
 /nfet_06v0/ {next} # ignore primitive devices
 /cap_nmos_06v0/ {next} # ignore primitive devices
 /ppolyf_u/ {next} # ignore primitive devices
+/cap_mim/ {next} # ignore primitive devices
 { print }
diff --git a/checks/be_checks/tech/gf180mcuD/lvs_config.base.json b/checks/be_checks/tech/gf180mcuD/lvs_config.base.json
index 51de9f8..ec39fc2 100644
--- a/checks/be_checks/tech/gf180mcuD/lvs_config.base.json
+++ b/checks/be_checks/tech/gf180mcuD/lvs_config.base.json
@@ -1,7 +1,9 @@
 {
 	"EXTRACT_FLATGLOB": [
-		"*nmos_*_*",
-		"*pmos_*_*"
+		"*nmos_*_*[A-Z]*",
+		"*mim_*_*[A-Z]*",
+		"*ppolyf_*_*[A-Z]*",
+		"*pmos_*_*[A-Z]*"
 	],
 	"EXTRACT_ABSTRACT": [
 		"*__fill_*",
diff --git a/checks/be_checks/tech/gf180mcuD/lvs_config.caravel_core.json b/checks/be_checks/tech/gf180mcuD/lvs_config.caravel_core.json
index 7924d18..016bb9f 100644
--- a/checks/be_checks/tech/gf180mcuD/lvs_config.caravel_core.json
+++ b/checks/be_checks/tech/gf180mcuD/lvs_config.caravel_core.json
@@ -1,8 +1,8 @@
 {
 	"STD_CELL_LIBRARY": "gf180mcu_fd_sc_mcu7t5v0",
+	"SRAM_MACRO": "gf180mcu_fd_ip_sram__sram512x8m8wm1",
 	"INCLUDE_CONFIGS": [
-		"$LVS_ROOT/tech/$PDK/lvs_config.sram512x8m8wm1.json",
-
+		"$LVS_ROOT/tech/$PDK/lvs_config.sram.json",
 		"$LVS_ROOT/tech/$PDK/lvs_config.base.json",
 		"$UPRJ_ROOT/lvs/user_project_wrapper/lvs_config.json"
 	],
@@ -24,14 +24,13 @@
 		""
 	],
 	"LVS_SPICE_FILES": [
-		"$CARAVEL_ROOT/xschem/simple_por.spice"
+		"$CARAVEL_ROOT/macros/simple_por/netlist/simple_por.spice"
 	],
 	"LVS_VERILOG_FILES": [
 		"$MCW_ROOT/verilog/gl/gf180_ram_512x8_wrapper.v",
 		"$CARAVEL_ROOT/verilog/gl/housekeeping.v",
 		"$CARAVEL_ROOT/verilog/gl/mprj_io_buffer.v",
 		"$CARAVEL_ROOT/verilog/gl/spare_logic_block.v",
-
 		"$UPRJ_ROOT/verilog/gl/gpio_defaults_block_*.v",
 		"$UPRJ_ROOT/verilog/gl/user_id_programming.v",
 		"$UPRJ_ROOT/verilog/gl/caravel_core.v"
diff --git a/checks/be_checks/tech/gf180mcuD/lvs_config.chip_io.json b/checks/be_checks/tech/gf180mcuD/lvs_config.chip_io.json
index 63787cb..8366d7d 100644
--- a/checks/be_checks/tech/gf180mcuD/lvs_config.chip_io.json
+++ b/checks/be_checks/tech/gf180mcuD/lvs_config.chip_io.json
@@ -10,6 +10,7 @@
 		"*NMOS_*",
 		"*moscap_*",
 		"*nmos_*",
+		"*pmos_*",
 		"*comp018green*",
 		"*POWER_RAIL_COR*",
 		"*top_route*",
@@ -37,7 +38,6 @@
 		"$PDK_ROOT/$PDK/libs.ref/gf180mcu_fd_io/spice/*.spice"
 	],
 	"LVS_VERILOG_FILES": [
-
 		"$CARAVEL_ROOT/verilog/gl/chip_io.v"
 	],
 	"LAYOUT_FILE": "$UPRJ_ROOT/gds/caravel.gds"
diff --git a/checks/be_checks/tech/gf180mcuD/lvs_config.sram.json b/checks/be_checks/tech/gf180mcuD/lvs_config.sram.json
new file mode 100644
index 0000000..8682ef3
--- /dev/null
+++ b/checks/be_checks/tech/gf180mcuD/lvs_config.sram.json
@@ -0,0 +1,71 @@
+{
+	"TOP_SOURCE": "$SRAM_MACRO",
+	"TOP_LAYOUT": "$TOP_SOURCE",
+	"EXTRACT_FLATGLOB": [
+		"*$$*",
+		"*018SRAM_*",
+		"*Cell_array*",
+		"*GF018_*x8M8WM1_*",
+		"*G_ring_*",
+		"*M?_?ACTIVE*_*",
+		"*M?_M*_*",
+		"*M?_NWEL*_*",
+		"*M?_POLY*_*",
+		"*M?_PSUB*_*",
+		"*alatch*",
+		"*col_*",
+		"*control_*",
+		"*dcap_*",
+		"*din_*",
+		"*dummy*",
+		"*gen_*",
+		"*lcol4_*",
+		"*m2_saout*",
+		"*m2m3_*",
+		"*mux821_*",
+		"*new_dummyrow*",
+		"*nmos_*",
+		"*outbuf_oe*",
+		"*pmos_*",
+		"*pmoscap*",
+		"*power_*",
+		"*power_route*",
+		"*predec?_*",
+		"*prexdec_top*",
+		"*rarray*",
+		"*rcol4_*",
+		"*sa_*",
+		"*sacntl_*",
+		"*saout_*",
+		"*strapx2b_bndry*",
+		"*via1_*",
+		"*wen_*",
+		"*wen_wm1_*",
+		"*x8M8W*_PWR_*",
+		"*xdec16_*",
+		"*xdec32_*",
+		"*xdec64_*",
+		"*xdec8_*",
+		"*xdec_*",
+		"*ypass_gate*"
+	],
+	"EXTRACT_ABSTRACT": [
+		""
+	],
+	"LVS_FLATTEN": [
+		""
+	],
+	"LVS_NOFLATTEN": [
+		""
+	],
+	"LVS_IGNORE": [
+		""
+	],
+	"LVS_SPICE_FILES": [
+		"$PDK_ROOT/$PDK/libs.ref/gf180mcu_fd_ip_sram/spice/$TOP_SOURCE.spice"
+	],
+	"LVS_VERILOG_FILES": [
+		""
+	],
+	"LAYOUT_FILE": "$PDK_ROOT/$PDK/libs.ref/gf180mcu_fd_ip_sram/gds/$TOP_LAYOUT.gds"
+}
diff --git a/checks/be_checks/tech/gf180mcuD/remove_well.sed b/checks/be_checks/tech/gf180mcuD/remove_well.sed
index 2a1763f..56a6866 100644
--- a/checks/be_checks/tech/gf180mcuD/remove_well.sed
+++ b/checks/be_checks/tech/gf180mcuD/remove_well.sed
@@ -1,19 +1,6 @@
-s/[^ ]* \(sky130_fd_pr__.fet\)/\1/
-s/[^ ]* \(sky130_fd_pr__special_.fet\)/\1/
-s/[^ ]* \(sky130_fd_pr__esd_.fet\)/\1/
-s/[^ ]* \(sky130_fd_pr__res_high_po\)/\1/
-s/[^ ]* \(sky130_fd_pr__res_xhigh_po\)/\1/
-s/[^ ]* \(sky130_fd_pr__res_generic_nd\)/\1/
-s/[^ ]* \(sky130_fd_pr__res_generic_pd\)/\1/
-s/[^ ]* \(sky130_fd_pr__cap_var_lvt\)/\1/
-s/[^ ]* \(sky130_fd_bs_flash__special_sonosfet_star\)/\1/
-s/[^ ]* \(ppolyf_u_1k_6p0\)/\1/
 s/[^ ]* \(ppolyf_u\)/\1/
 s/[^ ]* \(.fet_06v0\)/\1/
-/^D.* sky130_fd_pr__diode_pd2nw_/d
-/^D.* sky130_fd_pr__diode_pw2nd_/d
 /^D.* diode_pd2nw_06v0/d
 /^D.* diode_nd2ps_06v0/d
 /^D.* np_6p0/d
 /^D.* pn_6p0/d
-/^X.* sky130_fd_pr__pnp_05v5/d
diff --git a/checks/be_checks/tech/sky130A/cvc.models b/checks/be_checks/tech/sky130A/cvc.models
index 162afe2..6ec2500 100644
--- a/checks/be_checks/tech/sky130A/cvc.models
+++ b/checks/be_checks/tech/sky130A/cvc.models
@@ -28,6 +28,7 @@ R sky130_fd_pr__res_generic_m3 model=switch_on
 R sky130_fd_pr__res_generic_m4 model=switch_on
 R sky130_fd_pr__res_generic_m5 model=switch_on
 R sky130_fd_pr__res_generic_nd R=l/w*120
+R sky130_fd_pr__res_generic_pd R=l/w*197
 R sky130_fd_pr__res_generic_nd__hv R=l/w*114
 R sky130_fd_pr__res_generic_pd__hv R=l/w*191
 R sky130_fd_pr__res_generic_po R=l/w*48
@@ -43,6 +44,7 @@ R sky130_fd_pr__res_high_po_0p69 R=l/0.69*300
 R sky130_fd_pr__res_high_po_1p41 R=l/1.42*300
 R sky130_fd_pr__res_high_po_2p86 R=l/2.86*300
 R sky130_fd_pr__res_high_po_5p73 R=l/5.72*300
+R sky130_fd_pr__res_iso_pw R=l/w*4400
 
 MN sky130_fd_pr__nfet_01v8 Vth=0.2 Vgs=1.8 Vds=1.8
 MN sky130_fd_pr__nfet_01v8_lvt Vth=0.1 Vgs=1.8 Vds=1.8
diff --git a/checks/be_checks/tech/sky130A/fix_spice b/checks/be_checks/tech/sky130A/fix_spice
index 1ef6d18..61a7c06 100755
--- a/checks/be_checks/tech/sky130A/fix_spice
+++ b/checks/be_checks/tech/sky130A/fix_spice
@@ -3,6 +3,12 @@
 sed -i.org -e 's/sky130_fd_pr__pnp_05v5_W3p40L3p40/sky130_fd_pr__pnp_05v5 W=3.40 L=3.40/' \
 	-e 's/sky130_fd_pr__pnp_05v5_W0p68L0p68/sky130_fd_pr__pnp_05v5 area=3.25/' \
 	-e 's/sky130_fd_pr__res_high_po_0p35/sky130_fd_pr__res_high_po W=0.35/' \
+	-e 's/sky130_fd_pr__res_high_po_0p69/sky130_fd_pr__res_high_po W=0.69/' \
+	-e 's/sky130_fd_pr__res_high_po_1p41/sky130_fd_pr__res_high_po W=1.41/' \
+	-e 's/sky130_fd_pr__res_high_po_2p85/sky130_fd_pr__res_high_po W=2.85/' \
+	-e 's/sky130_fd_pr__res_high_po_5p73/sky130_fd_pr__res_high_po W=5p73/' \
 	-e 's/sky130_fd_pr__res_xhigh_po_0p35/sky130_fd_pr__res_xhigh_po W=0.35/' \
 	-e 's/sky130_fd_pr__res_xhigh_po_0p69/sky130_fd_pr__res_xhigh_po W=0.69/' \
-	-e 's/sky130_fd_pr__res_xhigh_po_2p85/sky130_fd_pr__res_xhigh_po W=2.85/' $*
+	-e 's/sky130_fd_pr__res_xhigh_po_1p41/sky130_fd_pr__res_xhigh_po W=1.41/' \
+	-e 's/sky130_fd_pr__res_xhigh_po_2p85/sky130_fd_pr__res_xhigh_po W=2.85/' \
+	-e 's/sky130_fd_pr__res_xhigh_po_5p73/sky130_fd_pr__res_xhigh_po W=5.73/' $*
diff --git a/checks/be_checks/tech/sky130A/remove_well.sed b/checks/be_checks/tech/sky130A/remove_well.sed
index 2a1763f..5706283 100644
--- a/checks/be_checks/tech/sky130A/remove_well.sed
+++ b/checks/be_checks/tech/sky130A/remove_well.sed
@@ -16,4 +16,5 @@ s/[^ ]* \(.fet_06v0\)/\1/
 /^D.* diode_nd2ps_06v0/d
 /^D.* np_6p0/d
 /^D.* pn_6p0/d
+/^R.* sky130_fd_pr__res_iso_pw/d
 /^X.* sky130_fd_pr__pnp_05v5/d
diff --git a/checks/be_checks/tech/sky130B/cvc.models b/checks/be_checks/tech/sky130B/cvc.models
index c629e34..794f554 100644
--- a/checks/be_checks/tech/sky130B/cvc.models
+++ b/checks/be_checks/tech/sky130B/cvc.models
@@ -28,6 +28,7 @@ R sky130_fd_pr__res_generic_m3 model=switch_on
 R sky130_fd_pr__res_generic_m4 model=switch_on
 R sky130_fd_pr__res_generic_m5 model=switch_on
 R sky130_fd_pr__res_generic_nd R=l/w*120
+R sky130_fd_pr__res_generic_pd R=l/w*197
 R sky130_fd_pr__res_generic_nd__hv R=l/w*114
 R sky130_fd_pr__res_generic_pd__hv R=l/w*191
 R sky130_fd_pr__res_generic_po R=l/w*48
@@ -43,6 +44,7 @@ R sky130_fd_pr__res_high_po_0p69 R=l/0.69*300
 R sky130_fd_pr__res_high_po_1p41 R=l/1.42*300
 R sky130_fd_pr__res_high_po_2p86 R=l/2.86*300
 R sky130_fd_pr__res_high_po_5p73 R=l/5.72*300
+R sky130_fd_pr__res_iso_pw R=l/w*4400
 R sky130_fd_pr__reram_reram_cell R=10
 
 MN sky130_fd_pr__nfet_01v8 Vth=0.2 Vgs=1.8 Vds=1.8
diff --git a/checks/be_checks/tech/sky130B/fix_spice b/checks/be_checks/tech/sky130B/fix_spice
index 1ef6d18..61a7c06 100755
--- a/checks/be_checks/tech/sky130B/fix_spice
+++ b/checks/be_checks/tech/sky130B/fix_spice
@@ -3,6 +3,12 @@
 sed -i.org -e 's/sky130_fd_pr__pnp_05v5_W3p40L3p40/sky130_fd_pr__pnp_05v5 W=3.40 L=3.40/' \
 	-e 's/sky130_fd_pr__pnp_05v5_W0p68L0p68/sky130_fd_pr__pnp_05v5 area=3.25/' \
 	-e 's/sky130_fd_pr__res_high_po_0p35/sky130_fd_pr__res_high_po W=0.35/' \
+	-e 's/sky130_fd_pr__res_high_po_0p69/sky130_fd_pr__res_high_po W=0.69/' \
+	-e 's/sky130_fd_pr__res_high_po_1p41/sky130_fd_pr__res_high_po W=1.41/' \
+	-e 's/sky130_fd_pr__res_high_po_2p85/sky130_fd_pr__res_high_po W=2.85/' \
+	-e 's/sky130_fd_pr__res_high_po_5p73/sky130_fd_pr__res_high_po W=5p73/' \
 	-e 's/sky130_fd_pr__res_xhigh_po_0p35/sky130_fd_pr__res_xhigh_po W=0.35/' \
 	-e 's/sky130_fd_pr__res_xhigh_po_0p69/sky130_fd_pr__res_xhigh_po W=0.69/' \
-	-e 's/sky130_fd_pr__res_xhigh_po_2p85/sky130_fd_pr__res_xhigh_po W=2.85/' $*
+	-e 's/sky130_fd_pr__res_xhigh_po_1p41/sky130_fd_pr__res_xhigh_po W=1.41/' \
+	-e 's/sky130_fd_pr__res_xhigh_po_2p85/sky130_fd_pr__res_xhigh_po W=2.85/' \
+	-e 's/sky130_fd_pr__res_xhigh_po_5p73/sky130_fd_pr__res_xhigh_po W=5.73/' $*
diff --git a/checks/be_checks/tech/sky130B/remove_well.sed b/checks/be_checks/tech/sky130B/remove_well.sed
index 2a1763f..5706283 100644
--- a/checks/be_checks/tech/sky130B/remove_well.sed
+++ b/checks/be_checks/tech/sky130B/remove_well.sed
@@ -16,4 +16,5 @@ s/[^ ]* \(.fet_06v0\)/\1/
 /^D.* diode_nd2ps_06v0/d
 /^D.* np_6p0/d
 /^D.* pn_6p0/d
+/^R.* sky130_fd_pr__res_iso_pw/d
 /^X.* sky130_fd_pr__pnp_05v5/d