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???
01/30/07 00:24
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#131693 - including good ol' TTL
Responding to: ???'s previous message
Richard Erlacher said:
ECL (emitter coupled logic) and IIL (integrated injection logic) rely on current rather than voltage.

So does TTL, as already noted.

I s'pose DTL and relay logic did, too...

It's hard to use one without depending on the other, though.

Yes - I think mr Ohm observed that a few years ago...

List of 13 messages in thread
TopicAuthorDate
Why people used to use voltage instead of current?            01/01/70 00:00      
   voltage vs current            01/01/70 00:00      
      CMOS likes voltage            01/01/70 00:00      
   Do we?            01/01/70 00:00      
   Current signals are widely used in technics!            01/01/70 00:00      
   There is "current-mode" logic, too.            01/01/70 00:00      
      including good ol' TTL            01/01/70 00:00      
         Wait a minute...            01/01/70 00:00      
            Please don't look bad at me Mr Andy Neil            01/01/70 00:00      
   Why people ask questions & then just run away?            01/01/70 00:00      
      IIRC, Cyrille is in war-torn Africa ...            01/01/70 00:00      
         Cyrille is a nice guy!            01/01/70 00:00      
            Yes, and exceedingly polite and respectful            01/01/70 00:00      

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