Spice alternate for SN7404 К155ЛН1

cross domains linking test ::

summary :: at such a high frequency the operational zone for supply voltage and also component parameters appears to be unusually narrow - i used 3 methods to derive the following 1) - const. f wave forcing through chain of 3 to 9 inverters ; 2) - (for NAND gates) 5x ring osc.'s output loaded by extra 5 inputs / (for NOT buffers) dummy 5x ring osc. (no outputs) ; 3) - (for NAND gates) 5x ring osc.'s output loaded by extra 3 inputs and forwarding these to 3NAND which on turn was loaded by dummy input of a NOT buff.

PS/!\ -- i donno what happens if you vary the supply voltage by a couple of milli volts

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waveforms ::

(?Yo! -- i can see it , i can see it (some sh¡t works (for now x;b)))	blaah

 chips ::


summary :: [▲]

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