Ttl logic circuit
CA 1205148 A · Owner: International Business Machines Corporation · Inventors: Brenner, Stewart; Robortaccio, Rocco J.; Blumberg, Richard J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Improved TTL Logic Circuit Disclosed is the addition of passive feedback to a prior art T2L circuit The T2L circuit with feedback in accordance with the invention, has a lower power dissipation while retaining noise immunity and small gate delay. The additional resistor required for the feedback T2L circuit, in accordance with the invention can be incorporated into the T2L cell without increasing the cell size. The feedback T2L circuit in, accordance with the invention, lends itself to the addition of an integrated direct-coupled inverter (DCI) function. The feedback T2L circuit, in accordance with the invention, permits more function to be placed on an integrated circuit semiconductor chip …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 27, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 27, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.