* Z:\home\khalils\Downloads\files\data\raw_asc\2cdc20425086_74HC4046A_H.asc
* Generated by LTspice 26.0.1 for Windows.
************************************************
* NOMINAL N-Channel Transistor *
* UCB-3 Parameter Set *
* HIGH-SPEED CMOS Logic Family *
* 10-Jan.-1995 *
************************************************
***********************************************
* NOMINAL P-Channel transistor *
* UCB-3 Parameter Set *
* HIGH-SPEED CMOS Logic Family *
* 10-Jan.-1995 *
***********************************************
* VCC/2
* Buffered VCOin
* x_delay
* x_delay
* x_delay
* x_delay
* "x_delay" means this gate required a different delay\nto solve a self oscillation problem caused by the feedback.
A1 SIG1 0 0 0 0 0 N002 0 BUF ref={vcc1/2}
A11 COMP1 0 0 0 0 0 N009 0 BUF ref={vcc1/2}
A3 N003 0 0 0 0 N004 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A23 N007 0 0 0 0 0 N008 0 BUF td={tdel1} tripdt={tripdt1} ref=0.5 vhigh={vcc1}
A13 N010 0 0 0 0 N005 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A14 N005 0 0 0 0 N024 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A4 N004 0 0 0 0 N016 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A39 N020 0 0 0 0 N021 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A81 N027 0 0 0 0 N032 0 0 BUF td={tdel1} tripdt={tripdt1}
A82 N032 0 0 0 0 N033 0 0 BUF td={tdel1} tripdt={tripdt1} ref=0.5 Vhigh={vcc1}
A73 N035 0 0 0 0 N031 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A72 N036 0 0 0 0 N035 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A31 0 N011 0 N016 0 N012 0 0 AND td={tdel1} tripdt={tripdt1}
A32 0 N024 0 N020 0 N025 0 0 AND td={tdel1} tripdt={tripdt1}
A33 0 N012 0 N017 0 N018 0 0 AND td={tdel1} tripdt={tripdt1}
A35 0 N012 0 N018 0 N019 0 0 AND td={1.2*tdel1} tripdt={tripdt1}
A34 0 N018 0 N025 0 N017 0 0 AND td={tdel1} tripdt={tripdt1}
A36 0 N017 0 N025 0 N026 0 0 AND td={1.2*tdel1} tripdt={tripdt1}
A37 0 N019 0 N011 0 N020 0 0 AND td={tdel1} tripdt={tripdt1}
A38 0 N020 0 N026 0 N011 0 0 AND td={tdel1} tripdt={tripdt1}
A51 0 N016 0 N027 0 N028 0 0 AND td={tdel1} tripdt={tripdt1}
A52 0 N028 N031 N030 0 N027 0 0 AND td={tdel1} tripdt={tripdt1}
A53 0 N028 0 N029 0 N030 0 0 AND td={tdel1} tripdt={tripdt1}
A54 0 N030 0 N031 0 N029 0 0 AND td={tdel1} tripdt={tripdt1}
A61 0 N038 N031 N037 0 N039 0 0 AND td={tdel1} tripdt={tripdt1}
A64 0 N042 0 N037 0 N038 0 0 AND td={tdel1} tripdt={tripdt1}
A63 0 N031 0 N038 0 N042 0 0 AND td={tdel1} tripdt={tripdt1}
A62 0 N039 N024 0 0 N037 0 0 AND td={tdel1} tripdt={tripdt1}
A84 0 N027 0 N039 0 N043 0 0 AND td={tdel1} tripdt={tripdt1}
A71 N030 N028 0 N037 N038 N036 0 0 AND td={tdel1} tripdt={tripdt1}
A22 N006 0 0 0 0 N007 0 0 BUF td={tdel1} tripdt={tripdt1}
A2 N002 0 0 0 0 N003 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A12 N009 0 0 0 0 N010 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A41 N022 0 0 0 0 0 N023 0 BUF td={tdel1} tripdt={tripdt1} ref=0.5 vhigh={vcc1}
A86 N044 0 0 0 0 0 N045 0 BUF td={tdel1} tripdt={tripdt1} ref=0.5 vhigh={vcc1}
A85 N043 0 0 0 0 N044 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A83 N039 0 0 0 0 N040 0 0 BUF td={2*tdel1} tripdt={tripdt1} ref=0.5 Vhigh={vcc1}
A18 nf 0 0 0 0 0 N015 0 MODULATOR mark={fmax} space={fmin}
A19 N015 0 0 0 0 0 N014 0 BUF ref=0 Vhigh={vcc1} vlow=0 td={tdel1} tripdt={tripdt1}
A21 0 N004 0 N005 0 N006 0 0 XOR td={tdel1} tripdt={tripdt1}
A40 N021 0 0 0 0 N022 0 0 BUF td={0.5*tdel1} tripdt={tripdt1}
A5 0 N014 0 INH 0 0 N013 0 OR ref={vcc1/2} Vhigh={vcc1} vlow=0
+LEVEL = 3
+KP = 45.3E-6
+VTO = 0.72
+TOX = 51.5E-9
+NSUB = 2.8E15
+GAMMA = 0.94e-6
+PHI = 0.65
+VMAX = 150E3
+RS = 40
+RD = 40
+XJ = 0.11E-6
+LD = 0.52E-6
+DELTA = 0.315
+THETA = 0.054
+ETA = 0.025
+KAPPA = 0.0
+WD = 0.0 )
+LEVEL = 3
+KP = 22.1E-6
+VTO = -0.71
+TOX = 51.5E-9
+NSUB = 3.3E16
+GAMMA = 0.92e-6
+PHI = 0.65
+VMAX = 970E3
+RS = 80
+RD = 80
+XJ = 0.63E-6
+LD = 0.23E-6
+DELTA = 2.24
+THETA = 0.108
+ETA = 0.322
+KAPPA = 0.0
+WD = 0.0 )
R3 C1A 0 1G
R8 N045 PCP 100
R19 R2 0 1G
R21 C1B 0 1G
R18 C1A 0 1G
B5 N001 0 V=limit(0,V(vcoin,0),{vcc1-2})
R9 R2 0 1G
R7 VCOin 0 1G
C7 N041 0 10p
R20 R1 0 1G
R24 COMP COMP1 1e6
B4 COMP1 0 V=V(vcch,0)*(1-tanh(v(comp,vcch)))
R10 N033 N034 1k
R2 0 VSS 1G
R17 C1B 0 1G
R13 VCOout N013 100
R5 N008 PC1 100
R6 N023 PC3 100
R1 0 VSS 1G
B1 nf 0 V=Table(V(VCOin), 0,0, 0.9, 0, {vcc1-0.9}, 1)
R11 N040 N041 1k
R4 INH 0 1G
R15 R1 0 1G
M2 PC2 N034 VCC VCC MHCPEN W=500u L=2.4u
R12 N001 DEMout 50
B2 SIG1 0 V=V(vcch,0)*(1-tanh(v(sig,vcch)))
C6 VCC N034 10p
R16 VCOin 0 1G
B3 VCCH 0 V=0.5*V(vcc,0)
R23 SIG SIG1 1e6
M1 PC2 N041 0 0 MHCNEN W=250u L=2.5u
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.Model MHCNEN NMOS (
.Model MHCPEN PMOS (
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 2124 1976
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IOPIN 1376 384 Out
IOPIN 1264 720 In
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IOPIN 1376 1296 Out
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IOPIN -608 880 In
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IOPIN -608 448 In
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SYMBOL res -96 -192 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R24
SYMATTR Value 1e6
SYMBOL cap 1072 736 R0
WINDOW 3 24 57 Left 0
SYMATTR Value 10p
SYMATTR InstName C6
SYMBOL res 1216 1312 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL Digital\\inv 864 768 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A82
SYMATTR Value2 ref=0.5
SYMATTR SpiceLine Vhigh={vcc1}
SYMBOL Digital\\and 576 432 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={1.2*tdel1} tripdt={tripdt1}
SYMATTR InstName A36
SYMBOL Digital\\and 192 768 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A52
SYMBOL bv -432 -192 R0
SYMATTR InstName B2
SYMATTR Value V=V(vcch,0)*(1-tanh(v(sig,vcch)))
SYMBOL Digital\\inv -64 288 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A4
SYMBOL Digital\\inv -368 0 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A2
SYMBOL res -576 1344 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R17
SYMATTR Value 1G
SYMBOL Digital\\buf1 1136 1232 R0
WINDOW 3 -47 95 Invisible 0
WINDOW 39 -63 111 Left 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR SpiceLine vhigh={vcc1}
SYMATTR InstName A86
SYMATTR Value2 ref=0.5
SYMBOL Digital\\and 880 1216 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A84
SYMBOL Digital\\inv 1024 1232 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A85
SYMBOL bv 496 -192 R0
SYMATTR InstName B5
SYMATTR Value V=limit(0,V(vcoin,0),{vcc1-2})
SYMBOL Digital\\inv 864 1024 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={2*tdel1} tripdt={tripdt1}
SYMATTR InstName A83
SYMATTR Value2 ref=0.5
SYMATTR SpiceLine Vhigh={vcc1}
SYMBOL res -576 896 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R7
SYMATTR Value 1G
SYMBOL Digital\\inv -64 384 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A14
SYMBOL Digital\\and 416 1040 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A63
SYMBOL Digital\\buf1 -528 96 R0
WINDOW 3 19 87 Left 0
SYMATTR Value ref={vcc1/2}
SYMATTR InstName A11
SYMBOL cap 1072 1104 R0
WINDOW 3 24 57 Left 0
SYMATTR Value 10p
SYMATTR InstName C7
SYMBOL Digital\\and 416 848 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A54
SYMBOL Digital\\and 192 400 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A32
SYMBOL Digital\\and 192 272 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A31
SYMBOL Digital\\and 400 272 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A33
SYMBOL Digital\\and 192 1248 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A62
SYMBOL res -576 1008 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R15
SYMATTR Value 1G
SYMBOL Digital\\and 416 720 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A53
SYMBOL Digital\\inv 1056 320 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A40
SYMBOL Digital\\xor 608 16 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A21
SYMBOL res -288 1232 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R18
SYMATTR Value 1G
SYMBOL Digital\\buf1 1152 32 R0
WINDOW 3 -47 95 Invisible 0
WINDOW 39 -74 110 Left 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR SpiceLine vhigh={vcc1}
SYMATTR InstName A23
SYMATTR Value2 ref=0.5
SYMBOL Digital\\inv 768 768 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A81
SYMBOL res 1200 -64 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 1G
SYMBOL res 1216 400 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL Digital\\and 592 928 M0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A71
SYMBOL res -576 1232 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R3
SYMATTR Value 1G
SYMBOL res 528 -192 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R12
SYMATTR Value 50
SYMBOL res -288 1120 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R19
SYMATTR Value 1G
SYMBOL Digital\\and 416 1168 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A64
SYMBOL Digital\\and 192 1120 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A61
SYMBOL res -288 1008 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R20
SYMATTR Value 1G
SYMBOL res 1232 112 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL res -288 1344 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R21
SYMATTR Value 1G
SYMBOL pmos 1120 912 M180
SYMATTR InstName M2
SYMATTR Value MHCPEN
SYMATTR Value2 W=500u L=2.4u
SYMBOL Digital\\inv -256 0 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A3
SYMBOL bv -560 656 R0
WINDOW 3 31 120 Left 0
SYMATTR Value V=Table(V(VCOin), 0,0, 0.9, 0, {vcc1-0.9}, 1)
SYMATTR InstName B1
SYMBOL nmos 1120 1008 R0
SYMATTR InstName M1
SYMATTR Value MHCNEN
SYMATTR Value2 W=250u L=2.5u
SYMBOL bv 32 -192 R0
SYMATTR InstName B4
SYMATTR Value V=V(vcch,0)*(1-tanh(v(comp,vcch)))
SYMBOL res -592 448 R0
SYMATTR InstName R4
SYMATTR Value 1G
SYMBOL res 976 1104 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R11
SYMATTR Value 1k
SYMBOL Digital\\and 400 400 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A34
SYMBOL Digital\\and 576 272 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={1.2*tdel1} tripdt={tripdt1}
SYMATTR InstName A35
SYMBOL Digital\\and 736 432 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A38
SYMBOL res -288 896 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R16
SYMATTR Value 1G
SYMBOL Digital\\inv 336 944 M0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A72
SYMBOL res -576 -192 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R23
SYMATTR Value 1e6
SYMBOL SpecialFunctions\\modulate -400 608 R0
WINDOW 3 -98 114 Left 0
SYMATTR Value mark={fmax} space={fmin}
SYMATTR InstName A18
SYMBOL Digital\\buf1 -256 256 M0
WINDOW 3 -24 -6 Left 0
SYMATTR Value ref=0 Vhigh={vcc1} vlow=0
SYMATTR InstName A19
SYMATTR Value2 td={tdel1} tripdt={tripdt1}
SYMBOL Digital\\buf1 1152 320 R0
WINDOW 3 -47 95 Invisible 0
WINDOW 39 -87 108 Left 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR SpiceLine vhigh={vcc1}
SYMATTR InstName A41
SYMATTR Value2 ref=0.5
SYMBOL Digital\\inv 960 320 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A39
SYMBOL Digital\\or -400 272 M0
WINDOW 3 -94 126 Left 0
SYMATTR Value ref={vcc1/2} Vhigh={vcc1} vlow=0
SYMATTR InstName A5
SYMBOL Digital\\inv -256 96 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A13
SYMBOL bv 912 -192 R0
SYMATTR InstName B3
SYMATTR Value V=0.5*V(vcc,0)
SYMBOL Digital\\buf1 -528 0 R0
WINDOW 3 21 90 Left 0
SYMATTR Value ref={vcc1/2}
SYMATTR InstName A1
SYMBOL res -576 1120 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R9
SYMATTR Value 1G
SYMBOL Digital\\inv -368 96 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A12
SYMBOL Digital\\and 736 304 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A37
SYMBOL res 1200 -160 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R2
SYMATTR Value 1G
SYMBOL res 976 848 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R10
SYMATTR Value 1k
SYMBOL Digital\\and 192 640 R0
WINDOW 3 16 52 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A51
SYMBOL Digital\\inv 1056 32 R0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={tdel1} tripdt={tripdt1}
SYMATTR InstName A22
SYMBOL Digital\\inv 224 944 M0
WINDOW 3 -52 103 Invisible 0
SYMATTR Value td={0.5*tdel1} tripdt={tripdt1}
SYMATTR InstName A73
SYMBOL res -560 336 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R13
SYMATTR Value 100
FLAG 1376 384 PC3
FLAG 1264 720 VCC
FLAG 1264 960 PC2
FLAG 1376 1296 PCP
FLAG -592 64 SIG1
FLAG -592 160 COMP1
FLAG 1376 96 PC1
FLAG -432 608 nf
FLAG -560 768 0
FLAG -608 880 VCOin
FLAG -608 320 VCOout
FLAG -576 560 0
FLAG -608 448 INH
FLAG -608 1216 C1A
FLAG -448 1216 0
FLAG -608 1104 R2
FLAG -448 1104 0
FLAG -608 992 R1
FLAG -448 992 0
FLAG -448 880 0
FLAG -608 1328 C1B
FLAG -448 1328 0
FLAG -320 880 VCOin
FLAG -320 1216 C1A
FLAG -160 1216 0
FLAG -320 1104 R2
FLAG -160 1104 0
FLAG -320 992 R1
FLAG -160 992 0
FLAG -160 880 0
FLAG -320 1328 C1B
FLAG -160 1328 0
FLAG 912 -64 0
FLAG 1024 -208 VCCH
FLAG -432 -64 0
FLAG -592 -208 SIG
FLAG -368 -208 SIG1
FLAG 32 -64 0
FLAG -128 -208 COMP
FLAG 96 -208 COMP1
FLAG 1264 1184 0
FLAG 1376 -80 VSS
FLAG 1184 -80 0
FLAG 1184 -176 0
FLAG 496 -64 0
FLAG 672 -208 DEMout
TEXT 1544 -64 Left 0 !************************************************\n*         NOMINAL N-Channel Transistor         *\n*            UCB-3 Parameter Set               *\n*         HIGH-SPEED CMOS Logic Family         *\n*                10-Jan.-1995                  *\n************************************************\n.Model MHCNEN NMOS (\n+LEVEL = 3\n+KP    = 45.3E-6\n+VTO   = 0.72\n+TOX   = 51.5E-9\n+NSUB  = 2.8E15\n+GAMMA = 0.94e-6\n+PHI   = 0.65\n+VMAX  = 150E3\n+RS    = 40\n+RD    = 40\n+XJ    = 0.11E-6\n+LD    = 0.52E-6\n+DELTA = 0.315\n+THETA = 0.054\n+ETA   = 0.025\n+KAPPA = 0.0\n+WD    = 0.0 )\n \n***********************************************\n*        NOMINAL P-Channel transistor         *\n*           UCB-3 Parameter Set               *\n*         HIGH-SPEED CMOS Logic Family        *\n*               10-Jan.-1995                  *\n***********************************************\n.Model MHCPEN PMOS (\n+LEVEL = 3\n+KP    = 22.1E-6\n+VTO   = -0.71\n+TOX   = 51.5E-9\n+NSUB  = 3.3E16\n+GAMMA = 0.92e-6\n+PHI   = 0.65\n+VMAX  = 970E3\n+RS    = 80\n+RD    = 80\n+XJ    = 0.63E-6\n+LD    = 0.23E-6\n+DELTA = 2.24\n+THETA = 0.108\n+ETA   = 0.322\n+KAPPA = 0.0\n+WD    = 0.0 )
TEXT 1016 -152 Left 0 ;VCC/2
TEXT 600 -152 Left 0 ;Buffered VCOin
TEXT 528 272 Left 0 ;x_delay
TEXT 528 424 Left 0 ;x_delay
TEXT 160 1048 Left 0 ;x_delay
TEXT 272 1048 Left 0 ;x_delay
TEXT 328 608 Left 0 ;"x_delay" means this gate required a different delay\nto solve a self oscillation problem caused by the feedback.