Added support for the 3.3V native nFET device (in addition to the
5.0V native nFET device). There does not appear to be any physical
difference between these devices, but they have different length
and width ranges in the model bins, and have different models.
diff --git a/sky130/magic/sky130.tcl b/sky130/magic/sky130.tcl
index 3833c01..861e11f 100644
--- a/sky130/magic/sky130.tcl
+++ b/sky130/magic/sky130.tcl
@@ -4185,7 +4185,8 @@
topc 1 botc 1 poverlap 0 doverlap 1 lmin 0.15 wmin 0.42 \
compatible {sky130_fd_pr__nfet_01v8 sky130_fd_pr__nfet_01v8_lvt \
sky130_fd_bs_flash__special_sonosfet_star \
- sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt} \
+ sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt \
+ sky130_fd_pr__nfet_03v3_nvt} \
full_metal 1 viasrc 100 viadrn 100 viagate 100 \
viagb 0 viagr 0 viagl 0 viagt 0}
}
@@ -4196,7 +4197,8 @@
topc 1 botc 1 poverlap 0 doverlap 1 lmin 0.15 wmin 0.42 \
compatible {sky130_fd_pr__nfet_01v8 sky130_fd_pr__nfet_01v8_lvt \
sky130_fd_bs_flash__special_sonosfet_star \
- sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt} \
+ sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt \
+ sky130_fd_pr__nfet_03v3_nvt} \
full_metal 1 viasrc 100 viadrn 100 viagate 100 \
viagb 0 viagr 0 viagl 0 viagt 0}
}
@@ -4207,7 +4209,8 @@
topc 1 botc 1 poverlap 0 doverlap 1 lmin 0.15 wmin 0.42 \
compatible {sky130_fd_pr__nfet_01v8 sky130_fd_pr__nfet_01v8_lvt \
sky130_fd_bs_flash__special_sonosfet_star \
- sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt} \
+ sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt \
+ sky130_fd_pr__nfet_03v3_nvt} \
full_metal 1 viasrc 100 viadrn 100 viagate 100 \
viagb 0 viagr 0 viagl 0 viagt 0}
}
@@ -4218,18 +4221,32 @@
topc 1 botc 1 poverlap 0 doverlap 1 lmin 0.50 wmin 0.42 \
compatible {sky130_fd_pr__nfet_01v8 sky130_fd_pr__nfet_01v8_lvt \
sky130_fd_bs_flash__special_sonosfet_star \
- sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt} \
+ sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt \
+ sky130_fd_pr__nfet_03v3_nvt} \
full_metal 1 viasrc 100 viadrn 100 viagate 100 \
viagb 0 viagr 0 viagl 0 viagt 0}
}
proc sky130::sky130_fd_pr__nfet_05v0_nvt_defaults {} {
+ return {w 0.42 l 0.90 m 1 nf 1 diffcov 100 polycov 100 \
+ guard 1 glc 1 grc 1 gtc 1 gbc 1 tbcov 100 rlcov 100 \
+ topc 1 botc 1 poverlap 0 doverlap 1 lmin 0.90 wmin 0.42 \
+ compatible {sky130_fd_pr__nfet_01v8 sky130_fd_pr__nfet_01v8_lvt \
+ sky130_fd_bs_flash__special_sonosfet_star \
+ sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt \
+ sky130_fd_pr__nfet_03v3_nvt} \
+ full_metal 1 viasrc 100 viadrn 100 viagate 100 \
+ viagb 0 viagr 0 viagl 0 viagt 0}
+}
+
+proc sky130::sky130_fd_pr__nfet_03v3_nvt_defaults {} {
return {w 0.42 l 0.50 m 1 nf 1 diffcov 100 polycov 100 \
guard 1 glc 1 grc 1 gtc 1 gbc 1 tbcov 100 rlcov 100 \
topc 1 botc 1 poverlap 0 doverlap 1 lmin 0.50 wmin 0.42 \
compatible {sky130_fd_pr__nfet_01v8 sky130_fd_pr__nfet_01v8_lvt \
sky130_fd_bs_flash__special_sonosfet_star \
- sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt} \
+ sky130_fd_pr__nfet_g5v0d10v5 sky130_fd_pr__nfet_05v0_nvt \
+ sky130_fd_pr__nfet_03v3_nvt} \
full_metal 1 viasrc 100 viadrn 100 viagate 100 \
viagb 0 viagr 0 viagl 0 viagt 0}
}
@@ -4333,6 +4350,10 @@
return [sky130::mos_convert $parameters]
}
+proc sky130::sky130_fd_pr__nfet_03v3_nvt_convert {parameters} {
+ return [sky130::mos_convert $parameters]
+}
+
proc sky130::sky130_fd_pr__pfet_01v8_convert {parameters} {
return [sky130::mos_convert $parameters]
}
@@ -4434,6 +4455,10 @@
sky130::mos_dialog sky130_fd_pr__nfet_05v0_nvt $parameters
}
+proc sky130::sky130_fd_pr__nfet_03v3_nvt_dialog {parameters} {
+ sky130::mos_dialog sky130_fd_pr__nfet_03v3_nvt $parameters
+}
+
proc sky130::sky130_fd_pr__pfet_01v8_dialog {parameters} {
sky130::mos_dialog sky130_fd_pr__pfet_01v8 $parameters
}
@@ -5579,6 +5604,24 @@
return [sky130::mos_draw $drawdict]
}
+proc sky130::sky130_fd_pr__nfet_03v3_nvt_draw {parameters} {
+ set newdict [dict create \
+ gate_type nnfet \
+ diff_type mvndiff \
+ diff_contact_type mvndc \
+ plus_diff_type mvpsd \
+ plus_contact_type mvpsc \
+ poly_type poly \
+ poly_contact_type pc \
+ sub_type psub \
+ diff_spacing 0.30 \
+ diff_tap_space 0.38 \
+ diff_gate_space 0.38 \
+ ]
+ set drawdict [dict merge $sky130::ruleset $newdict $parameters]
+ return [sky130::mos_draw $drawdict]
+}
+
#------------------------
# MOS varactor (1.8V)
#------------------------
@@ -5837,6 +5880,10 @@
return [sky130::mos_check sky130_fd_pr__nfet_05v0_nvt $parameters]
}
+proc sky130::sky130_fd_pr__nfet_03v3_nvt_check {parameters} {
+ return [sky130::mos_check sky130_fd_pr__nfet_03v3_nvt $parameters]
+}
+
proc sky130::sky130_fd_pr__pfet_01v8_check {parameters} {
return [sky130::mos_check sky130_fd_pr__pfet_01v8 $parameters]
}
