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Integrated circuit with separate supply voltage for memory that is different from logic circuit supply voltage

  • US 10,482,952 B2
  • Filed: 01/03/2018
  • Issued: 11/19/2019
  • Est. Priority Date: 07/01/2005
  • Status: Active Grant
First Claim
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1. An integrated circuit comprising:

  • a logic circuit in a first voltage domain, the first voltage domain corresponding to a first power supply voltage having a first power supply voltage value during use;

    a memory circuit in a second voltage domain corresponding to a second power supply voltage having a second power supply voltage value different from the first power supply voltage value for at least some operation during use, the memory circuit comprising a plurality of memory cells, wherein the logic circuit accesses data in the memory circuit; and

    an interface circuit between the first voltage domain and the second voltage domain, wherein the interface circuit converts one or more inputs to the memory circuit from the logic circuit from the first voltage domain to the second voltage domain.

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