38 lines
753 B
Plaintext
38 lines
753 B
Plaintext
*****************==== 11-Stage CMOS RO ====*******************
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*********** MOS1 or VDMOS ************************************
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vdd 1 0 5.0
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.subckt inv out in vdd vss
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mp1 out in vdd vdd p1 l=2u w=20u
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mn1 out in vss vss n1 l=2u w=10u
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c1 out vss 0.2p
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.ends
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xinv1 3 2 1 0 inv
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xinv2 4 3 1 0 inv
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xinv3 5 4 1 0 inv
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xinv4 6 5 1 0 inv
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xinv5 7 6 1 0 inv
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xinv6 8 7 1 0 inv
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xinv7 9 8 1 0 inv
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xinv8 10 9 1 0 inv
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xinv9 2 10 1 0 inv
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.model N1 vdmos cgdmin=0.05p cgdmax=0.2p a=1.2 cgs=0.15p rg=10 kp=2e-5 rb=1e7 cjo=1n subslope=0.2
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.model P1 vdmos cgdmin=0.05p cgdmax=0.2p a=1.2 cgs=0.15p rg=10 kp=2e-5 rb=1e7 cjo=1n pchan subslope=0.2
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.tran 0.1n 1u
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.control
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run
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rusage
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* current and output in a single plot
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plot v(6) 1000*(-I(vdd)) ylimit -1 6
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.endc
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.end
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