mirror of https://github.com/efabless/caravel.git
298 lines
8.5 KiB
XML
298 lines
8.5 KiB
XML
v {xschem version=2.9.9 file_version=1.2 }
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G {}
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K {}
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V {}
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S {}
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E {}
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L 4 3370 -60 3390 -60 {}
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L 4 3390 -60 3390 80 {}
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L 4 3370 80 3390 80 {}
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T {Current step-down mirror} 2270 140 0 0 0.4 0.4 {}
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T {Charge accumulator} 2650 140 0 0 0.4 0.4 {}
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T {Voltage divider} 1860 140 0 0 0.4 0.4 {}
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T {Schmitt trigger} 2930 -200 0 0 0.4 0.4 {}
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T {150 / 650 * 3.3V = 0.76V} 1860 180 0 0 0.4 0.4 {}
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T {step down 8x} 2130 -430 0 0 0.4 0.4 {}
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T {step down 7x} 2330 80 0 0 0.4 0.4 {}
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T {step down 7x} 2520 -430 0 0 0.4 0.4 {}
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T {1.8V domain outputs} 3400 0 0 0 0.4 0.4 {}
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T {3.3V domain output} 3410 -140 0 0 0.4 0.4 {}
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T {392 : 1} 2270 180 0 0 0.4 0.4 {}
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T {Simple power-on-reset circuit
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calibrated to 500us nominal delay
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no temperature compensation} 1950 -570 0 0 0.6 0.6 {}
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N 2500 -310 2500 -270 { lab=#net1}
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N 2500 -210 2500 -100 { lab=#net2}
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N 2300 -40 2300 20 { lab=#net3}
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N 2300 80 2300 110 { lab=vss}
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N 2360 110 2500 110 { lab=vss}
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N 2500 80 2500 110 { lab=vss}
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N 2400 50 2460 50 { lab=#net3}
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N 2360 -400 2500 -400 { lab=vdd3v3}
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N 2500 -400 2500 -370 { lab=vdd3v3}
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N 2500 -400 2790 -400 { lab=vdd3v3}
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N 2300 -10 2370 -10 { lab=#net3}
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N 2370 -10 2370 50 { lab=#net3}
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N 2500 -290 2570 -290 { lab=#net1}
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N 2570 -340 2570 -290 { lab=#net1}
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N 2540 -340 2570 -340 { lab=#net1}
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N 2500 -190 2570 -190 { lab=#net2}
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N 2570 -240 2570 -190 { lab=#net2}
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N 2540 -240 2570 -240 { lab=#net2}
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N 2240 110 2360 110 { lab=vss}
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N 2500 110 2630 110 { lab=vss}
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N 2500 50 2630 50 { lab=vss}
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N 2110 110 2240 110 { lab=vss}
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N 1930 60 1930 110 { lab=vss}
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N 1930 -160 1930 0 { lab=#net4}
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N 1930 -400 1930 -220 { lab=vdd3v3}
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N 2110 -400 2360 -400 { lab=vdd3v3}
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N 1880 -190 1910 -190 { lab=vss}
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N 1880 -190 1880 110 { lab=vss}
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N 1880 110 1930 110 { lab=vss}
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N 1880 30 1910 30 { lab=vss}
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N 2300 -310 2300 -270 { lab=#net5}
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N 2300 -400 2300 -370 { lab=vdd3v3}
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N 2300 -140 2300 -100 { lab=#net3}
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N 2340 50 2400 50 { lab=#net3}
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N 2300 -210 2300 -140 { lab=#net3}
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N 2100 80 2100 110 { lab=vss}
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N 2100 110 2110 110 { lab=vss}
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N 2050 50 2060 50 { lab=#net4}
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N 2050 -70 2050 50 { lab=#net4}
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N 1930 -70 2050 -70 { lab=#net4}
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N 1930 -400 2110 -400 { lab=vdd3v3}
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N 2100 -400 2100 -370 { lab=vdd3v3}
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N 2100 -310 2100 -270 { lab=#net6}
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N 2100 -210 2100 20 { lab=#net7}
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N 2100 50 2300 50 { lab=vss}
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N 2200 50 2200 110 { lab=vss}
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N 2140 -240 2260 -240 { lab=#net7}
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N 2140 -340 2260 -340 { lab=#net6}
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N 2100 -290 2180 -290 { lab=#net6}
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N 2180 -340 2180 -290 { lab=#net6}
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N 2100 -180 2180 -180 { lab=#net7}
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N 2180 -240 2180 -180 { lab=#net7}
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N 1930 -240 2100 -240 { lab=vdd3v3}
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N 1930 -340 2100 -340 { lab=vdd3v3}
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N 1930 110 2100 110 { lab=vss}
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N 2300 -240 2500 -240 { lab=vdd3v3}
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N 2300 -340 2500 -340 { lab=vdd3v3}
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N 2400 -340 2400 -240 { lab=vdd3v3}
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N 2400 -400 2400 -340 { lab=vdd3v3}
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N 2570 -240 2650 -240 { lab=#net2}
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N 2570 -340 2650 -340 { lab=#net1}
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N 2690 -400 2690 -370 { lab=vdd3v3}
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N 2790 -400 2790 -340 { lab=vdd3v3}
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N 2690 -340 2790 -340 { lab=vdd3v3}
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N 2690 -240 2790 -240 { lab=vdd3v3}
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N 2790 -340 2790 -240 { lab=vdd3v3}
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N 2690 -310 2690 -270 { lab=#net8}
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N 2690 -210 2690 -150 { lab=#net9}
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N 1830 30 1880 30 { lab=vss}
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N 1810 60 1810 110 { lab=vss}
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N 1810 110 1880 110 { lab=vss}
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N 1810 -70 1810 0 { lab=vss}
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N 1810 -70 1880 -70 { lab=vss}
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N 2690 -150 2690 -70 { lab=#net9}
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N 2820 -130 2820 -70 { lab=#net9}
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N 2690 -130 2820 -130 { lab=#net9}
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N 2630 110 2820 110 { lab=vss}
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N 2820 -10 2820 110 { lab=vss}
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N 2690 -10 2690 110 { lab=vss}
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N 2820 -130 2980 -130 { lab=#net9}
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N 3060 -130 3130 -130 { lab=#net10}
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N 3090 -130 3090 60 { lab=#net10}
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N 3090 60 3130 60 { lab=#net10}
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N 3090 -40 3130 -40 { lab=#net10}
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N 3210 -130 3300 -130 { lab=porb_h}
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N 3210 -40 3300 -40 { lab=porb_l}
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N 3210 60 3300 60 { lab=por_l}
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N 2790 -400 2840 -400 { lab=vdd3v3}
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N 2820 110 2870 110 { lab=vss}
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N 2630 50 2690 50 { lab=vss}
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N 2300 -100 2300 -40 { lab=#net3}
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N 2500 -100 2500 -30 { lab=#net2}
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N 2500 -30 2500 20 { lab=#net2}
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C {sky130_fd_pr/cap_mim_m3_1.sym} 2690 -40 0 0 {name=C1 model=cap_mim_m3_1 W=30 L=30 MF=1 spiceprefix=X}
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C {sky130_fd_pr/cap_mim_m3_2.sym} 2820 -40 2 1 {name=C2 model=cap_mim_m3_2 W=30 L=30 MF=1 spiceprefix=X}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2280 -240 0 0 {name=M1
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/nfet_g5v0d10v5.sym} 2480 50 0 0 {name=M2
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=nfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/res_xhigh_po_0p69.sym} 1930 -190 0 0 {name=R1
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L=500
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model=res_xhigh_po_0p69
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spiceprefix=X
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mult=1}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2280 -340 0 0 {name=M4
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/nfet_g5v0d10v5.sym} 2320 50 0 1 {name=M5
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L=0.8
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W=14
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nf=7
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=nfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/res_xhigh_po_0p69.sym} 1930 30 0 0 {name=R2
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L=150
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model=res_xhigh_po_0p69
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spiceprefix=X
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mult=1}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2520 -240 0 1 {name=M7
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2520 -340 0 1 {name=M8
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L=0.8
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W=14
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nf=7
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/nfet_g5v0d10v5.sym} 2080 50 0 0 {name=M10
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=nfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2120 -240 0 1 {name=M9
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2120 -340 0 1 {name=M11
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L=0.8
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W=16
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nf=8
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2670 -340 0 0 {name=M12
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/pfet_g5v0d10v5.sym} 2670 -240 0 0 {name=M13
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L=0.8
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W=2
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nf=1
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mult=1
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ad="'int((nf+1)/2) * W/nf * 0.29'"
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pd="'2*int((nf+1)/2) * (W/nf + 0.29)'"
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as="'int((nf+2)/2) * W/nf * 0.29'"
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ps="'2*int((nf+2)/2) * (W/nf + 0.29)'"
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nrd="'0.29 / W'" nrs="'0.29 / W'"
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sa=0 sb=0 sd=0
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model=pfet_g5v0d10v5
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spiceprefix=X
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}
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C {sky130_fd_pr/res_xhigh_po_0p69.sym} 1810 30 0 1 {name=R3
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L=25
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model=res_xhigh_po_0p69
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spiceprefix=X
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mult=2}
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C {sky130_stdcells/buf_8.sym} 3170 -130 0 0 {name=x2 VGND=vss VNB=vss VPB=vdd3v3 VPWR=vdd3v3 prefix=sky130_fd_sc_hvl__ }
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C {sky130_stdcells/buf_8.sym} 3170 -40 0 0 {name=x3 VGND=vss VNB=vss VPB=vdd1v8 VPWR=vdd1v8 prefix=sky130_fd_sc_hvl__ }
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C {sky130_stdcells/inv_8.sym} 3170 60 0 0 {name=x4 VGND=vss VNB=vss VPB=vdd1v8 VPWR=vdd1v8 prefix=sky130_fd_sc_hvl__ }
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C {sky130_stdcells/buf_1.sym} 3020 -130 0 0 {name=x5 VGND=vss VNB=vss VPB=vdd3v3 VPWR=vdd3v3 prefix=sky130_fd_sc_hvl__schmitt }
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C {devices/iopin.sym} 2840 -400 0 0 {name=p1 lab=vdd3v3}
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C {devices/iopin.sym} 2870 110 0 0 {name=p2 lab=vss}
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C {devices/opin.sym} 3300 -130 0 0 {name=p3 lab=porb_h}
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C {devices/opin.sym} 3300 -40 0 0 {name=p4 lab=porb_l}
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C {devices/opin.sym} 3300 60 0 0 {name=p5 lab=por_l}
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C {devices/iopin.sym} 2840 -330 0 0 {name=p6 lab=vdd1v8}
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