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Commit 23078f4

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initial cace support
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‎cace/scripts/run_lvs.tcl

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# Generic Tcl script to run LVS through CACE
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# to use this script with any block, just add any extra needed libraries
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if {[catch {set PDK_ROOT $::env(PDK_ROOT)}]} {set PDK_ROOT /usr/local/share/pdk}
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if {[catch {set PDK $::env(PDK)}]} {set PDK sky130A}
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set pdklib ${PDK_ROOT}/${PDK}
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set techlibs ${pdklib}/libs.tech
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set reflibs ${pdklib}/libs.ref
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#CACE_ROOT is an env vairable that's set during the proccess of running CACE
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set CACE_ROOT $::env(CACE_ROOT)
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set setupfile ${techlibs}/netgen/${PDK}_setup.tcl
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set hvlib ${reflibs}/sky130_fd_sc_hvl/spice/sky130_fd_sc_hvl.spice
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set hdlib ${reflibs}/sky130_fd_sc_hd/spice/sky130_fd_sc_hd.spice
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#ipname is set to the ip directory name
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set ipname [file tail $CACE_ROOT]
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set circuit1 [readnet spice $CACE_ROOT/netlist/layout/${ipname}.spice]
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set circuit2 [readnet spice $hvlib]
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#readnet spice $hdlib $circuit2
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readnet spice $CACE_ROOT/netlist/schematic/${ipname}.spice $circuit2
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#debug on
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lvs "$circuit1 ${ipname}" "$circuit2 ${ipname}" $setupfile ${ipname}_comp.out -json

‎cace/scripts/run_project_lvs.tcl

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This file was deleted.

‎cace/sky130_ef_ip__rdac3v_8bit.yaml

Lines changed: 63 additions & 38 deletions
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@ name: sky130_ef_ip__rdac3v_8bit
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description: 8-bit DAC with 3.3V supply and enable input
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commit: N/A
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PDK: sky130A
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cace_format: 5.0
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cace_format: 5.2
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authorship:
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designer: Tim Edwards
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paths:
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root: ..
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documentation: doc
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documentation: docs
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schematic: xschem
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magic: mag
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layout: gds
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netlist: netlist
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dependencies:
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sky130_ef_ip__samplehold:
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path: ../dependencies/
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path: ../
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repository: https://github.com/RTimothyEdwards/sky130_ef_ip__samplehold
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commit: N/A
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pins:
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b7:0:
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typical: tt
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maximum: ff
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electrical_parameters:
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parameters:
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Idd_enabled:
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description: Current draw through analog supply, DAC enabled
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display: Idd
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maximum:
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value: '250'
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fail: true
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simulate:
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tool:
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ngspice:
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template: dccurrent_vdd.spice
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format: ascii
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maximum:
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value: '250'
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fail: true
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simulate:
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tool:
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ngspice:
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template: dccurrent_vdd.spice
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format: ascii
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maximum:
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value: '2'
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fail: true
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simulate:
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tool:
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ngspice:
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template: voltage_output.spice
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format: ascii
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value: '2'
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fail: true
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measurement: std3p-below
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simulate:
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tool:
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ngspice:
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template: voltage_output.spice
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collate: iterations
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maximum:
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value: '2'
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fail: true
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simulate:
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tool:
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ngspice:
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template: voltage_output.spice
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collate: b[7:0]
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maximum:
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value: '0.01'
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fail: true
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simulate:
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tool:
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ngspice:
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template: voltage_output.spice
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format: ascii
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maximum:
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value: '0.02'
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fail: true
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simulate:
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tool:
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ngspice:
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template: voltage_output.spice
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collate: b[7:0]
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description: Digital sine wave transient response
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display: out
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unit: V
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simulate:
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tool:
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ngspice:
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template: transient_sine.spice
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format: ascii
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corner:
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typical: tt
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physical_parameters:
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area:
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description: Total circuit layout area
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display: area
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unit: µm²
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magic_area:
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spec:
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maximum:
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value: '50000'
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fail: true
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evaluate: cace_area
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LVS_errors:
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description: LVS errors
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display: LVS errors
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area:
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display: Area
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description: Total circuit layout area
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unit: µm²
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maximum:
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value: 50000
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width:
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display: Width
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description: Total circuit layout width
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unit: µm
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maximum:
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value: any
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height:
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display: Height
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description: Total circuit layout height
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unit: µm
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maximum:
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value: any
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tool:
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magic_area
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magic_drc:
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description: Magic DRC
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display: Magic DRC
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spec:
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maximum:
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value: '0'
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fail: true
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evaluate:
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cace_lvs:
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script: run_project_lvs.tcl
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DRC_errors:
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description: DRC errors
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display: DRC errors
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drc_errors:
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maximum:
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value: 0
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tool:
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magic_drc
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netgen_lvs:
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description: Netgen LVS
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display: Netgen LVS
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spec:
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maximum:
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value: '0'
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fail: true
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evaluate: cace_drc
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lvs_errors:
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maximum:
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value: 0
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tool:
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netgen_lvs:
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script: run_lvs.tcl
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klayout_drc_full:
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description: KLayout DRC full
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display: KLayout DRC full
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spec:
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drc_errors:
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maximum:
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value: 0
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tool:
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klayout_drc:
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args: ['-rd', 'feol=true', '-rd', 'beol=true', '-rd', 'offgrid=true']

‎mag/sky130_ef_ip__rdac3v_8bit.mag

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@@ -1526,7 +1526,7 @@ array 0 7 2132 0 0 15270
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timestamp 1653060931
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transform 1 0 8398 0 1 322
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box -20 -7 1049 15263
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use follower_amp follower_amp_0 ../dependencies/sky130_ef_ip__samplehold/mag
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use follower_amp follower_amp_0 ../../sky130_ef_ip__samplehold/mag
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timestamp 1718228583
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transform 0 1 12491 1 0 16882
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box 0 0 4377 11129

‎xschem/sky130_ef_ip__rdac3v_8bit.sch

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@@ -491,7 +491,7 @@ C {devices/ipin.sym} -1040 -2410 0 0 {name=p14 lab=b7}
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C {devices/lab_pin.sym} -1050 -3150 0 0 {name=l39 sig_type=std_logic lab=vdd}
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C {devices/iopin.sym} -1030 -3250 0 1 {name=p15 lab=dvdd}
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C {devices/iopin.sym} -1030 -3220 0 1 {name=p16 lab=dvss}
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C {../dependencies/sky130_ef_ip__samplehold/xschem/follower_amp.sym} 1160 -2720 0 0 {name=x6}
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C {../../sky130_ef_ip__samplehold/xschem/follower_amp.sym} 1160 -2720 0 0 {name=x6}
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C {devices/lab_pin.sym} 940 -2730 0 0 {name=l2 sig_type=std_logic lab=out_unbuf}
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C {passtrans.sym} 690 -2470 0 0 {name=x15}
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C {dac_column_dummy.sym} 150 -2090 0 0 {name=x18}

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