- 专利标题: Test-point flop sharing with improved testability in a circuit design
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申请号: US17953618申请日: 2022-09-27
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公开(公告)号: US11947887B1公开(公告)日: 2024-04-02
- 发明人: Krishna Chakravadhanula , Brian Foutz , Prateek Kumar Rai , Sarthak Singhal , Christos Papameletis , Vivek Chickermane
- 申请人: Cadence Design Systems, Inc.
- 申请人地址: US CA San Jose
- 专利权人: Cadence Design Systems, Inc.
- 当前专利权人: Cadence Design Systems, Inc.
- 当前专利权人地址: US CA San Jose
- 代理机构: Foley & Lardner LLP
- 主分类号: G06F30/333
- IPC分类号: G06F30/333 ; G06F30/327 ; G01R31/3185
摘要:
A system includes a memory that stores instructions and receives a circuit netlist, and includes a processing unit that accesses the memory and executes the instructions. The instructions include an EDA application that includes a test-point flop allocation module that is configured to evaluate the circuit netlist to determine compatibility of the test-point nodes in the circuit netlist. The test-point flop allocation module can further allocate each of the test-point flops to a test-point sharing group comprising a plurality of compatible test-point nodes. The EDA application also includes a circuit layout module configured to generate a circuit layout associated with the circuit design, the circuit layout comprising the functional logic and scan-chains comprising the test-point flops allocated to the test-point sharing groups in response to the circuit netlist. The circuit layout is employable to fabricate an integrated circuit (IC) chip.
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