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Separable cells having wiring channels for routing signals between surrounding cells

  • US 5,905,655 A
  • Filed: 06/09/1997
  • Issued: 05/18/1999
  • Est. Priority Date: 08/24/1994
  • Status: Expired due to Term
First Claim
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1. A method of designing an integrated circuit, comprising:

  • providing a separable cell;

    providing at least two additional cells;

    separating said separable cell into two or more sub-blocks to provide a channel between an adjacent pair of said two or more sub-blocks; and

    forming an external interconnect line through said channel, said external interconnect line interconnecting said at least two additional cells.

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