发明名称 Scan Based Testing of an Integrated Circuit Containing Circuit Portions Operable in Different Clock Domains during Functional Mode
摘要 An integrated circuit containing an encoder which avoids setup/hold violation in a memory element of one clock domain, when receiving data from another memory element of another clock domain during a scan based testing of an integrated circuit. In an embodiment, the encoder receives a test clock, including a capture pulse during a capture mode of the scan test, but forwards the capture pulse only to one of the clock domains and blocking the capture pulse to other clock domains. As a result, erroneous captures in the memory element receiving data from another clock domain is avoided without the need of closing timing on paths which are not functionally exercised.
申请公布号 US2009125771(A1) 申请公布日期 2009.05.14
申请号 US20080247228 申请日期 2008.10.08
申请人 TEXAS INSTRUMENTS INCORPORATED 发明人 DUGGAL BIPIN;MURALIKRISHNA PULAMARASETTY BALA KALI
分类号 G01R31/28;H03K19/00 主分类号 G01R31/28
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