Invention Application
US20130280863A1 VERTICALLY STACKABLE DIES HAVING CHIP IDENTIFIER STRUCTURES 审中-公开
具有芯片识别结构的垂直堆叠套

  • Patent Title: VERTICALLY STACKABLE DIES HAVING CHIP IDENTIFIER STRUCTURES
  • Patent Title (中): 具有芯片识别结构的垂直堆叠套
  • Application No.: US13925010
    Application Date: 2013-06-24
  • Publication No.: US20130280863A1
    Publication Date: 2013-10-24
  • Inventor: Jungwon Suh
  • Applicant: Qualcomm Incorporated
  • Main IPC: H01L21/50
  • IPC: H01L21/50 G06F17/50
VERTICALLY STACKABLE DIES HAVING CHIP IDENTIFIER STRUCTURES
Abstract:
A particular method of making a stacked multi-die semiconductor device includes forming a stack of at least two dies. Each die includes a chip identifier structure that includes a first set of at least two through vias that are each hard wired to a set of external electrical contacts. Each die further includes chip identifier selection logic coupled to the chip identifier structure. Each die further includes a chip select structure that includes a second set of at least two through vias coupled to the chip identifier selection logic. The method further includes coupling each external electrical contact to a voltage source or ground. Each of the first set of through vias has a pad that is coupled to an adjacent through via and each of the second set of through vias is coupled to its own respective pad.
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