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[SOLVED] Ring Oscillator in HSPICE

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gone

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hi all,

ring oscillator is a very simple design and i can implement properly in Spectre, however, when i move the whole thing to HSPICE, it doesnt work, i checked my NAND gate and inverter, they are all functional.
 

Hi gone
Do you set initial condition in HSPICE? Check your power setup global vdd!, gnd! also. It should work
 

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