Zero power power-on reset bootstrapping method and apparatus for ultra low-power integrated circuit packaging
CA 2245113 C · Owner: Ibm Canada Limited-Ibm Canada Limitee · Inventors: Feng, Kai Di; Hartley, Lee F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a low-power selector circuit contained within an integrated circuit, chip for selecting among a plurality of functions of the integrated circuit chip. The invention, comprises a gated and pull-up resistor for connection to a power supply and connected, to an input/output terminal pad of said integrated circuit chip; a sampling latch; a power-on, reset circuit; said sampling latch being adapted on enablement by said poweron reset, circuit to sample the voltage of the input/output terminal pad of said integrated circuit chip, on power-up, to output a control signal to control functions of said integrated circuit chip, and in a predetermined situation to gate said …
Read the whole patent
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
- Filed August 14, 1998 and granted May 1, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 14, 2020.
- 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.