40 lines
597 B
Plaintext
40 lines
597 B
Plaintext
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CMOS RING OSCILLATOR - 1UM DEVICES
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VDD 1 0 5.0V
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VSS 2 0 0.0V
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X1 1 2 3 4 INV
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X2 1 2 4 5 INV
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X3 1 2 5 6 INV
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X4 1 2 6 7 INV
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X5 1 2 7 8 INV
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X6 1 2 8 9 INV
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X7 1 2 9 3 INV
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.IC V(3)=0.0V V(4)=2.5V V(5)=5.0V
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+ V(6)=0.0V V(7)=5.0V V(8)=0.0V V(9)=5.0V
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.SUBCKT INV 1 2 3 4
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* VDD VSS VIN VOUT
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M1 14 13 15 16 M_PMOS_1 W=6.0U
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M2 24 23 25 26 M_NMOS_1 W=3.0U
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VGP 3 13 0.0V
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VDP 4 14 0.0V
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VSP 1 15 0.0V
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VBP 1 16 0.0V
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VGN 3 23 0.0V
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VDN 4 24 0.0V
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VSN 2 25 0.0V
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VBN 2 26 0.0V
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.ENDS INV
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.INCLUDE BICMOS.LIB
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.TRAN 0.1NS 1NS
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.PRINT TRAN V(3) V(4) V(5)
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.OPTIONS ACCT BYPASS=1 METHOD=GEAR
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.END
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