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    • 1. 发明申请
    • DIGITAL TEST SYSTEM AND METHOD FOR VALUE BASED DATA
    • 数字测试系统和价值数据的方法
    • US20130069688A1
    • 2013-03-21
    • US13233374
    • 2011-09-15
    • Eugene Rogers AtwoodThomas Joseph BardsleyVictor MoyMichael Won
    • Eugene Rogers AtwoodThomas Joseph BardsleyVictor MoyMichael Won
    • H03K19/00
    • H03K19/096
    • Embodiments of the present invention provide an inequality indication system (IIS). The IIS provides built in test support which enables evaluation, in an on-chip digital logic circuit, of digital values as inequalities, with either a single pass/fail bit expressed on a device I/O or a readable register containing inequality evaluation results. The IIS enables the movement of value evaluation onto the device (chip) using a common simple method, well suited to address/data type structures or scan based structures, instead of off-chip, which then requires tester dependent custom code. The IIS, when enabled, overrides the TDO signal to allow it to function as an inequality indicator instead of a standard test data out signal.
    • 本发明的实施例提供了一种不等式指示系统(IIS)。 IIS提供了内置的测试支持,可以在片上数字逻辑电路中将数字值作为不等式进行评估,在设备I / O上表示单个通过/失败位或包含不等式评估结果的可读寄存器。 IIS使用通用简单的方法将值评估移动到设备(芯片)上,非常适合地址/数据类型结构或基于扫描的结构,而不是片外,然后需要依赖于测试者的自定义代码。 IIS启用时,会覆盖TDO信号,以使其能够用作不等式指示器,而不是标准测试数据输出信号。
    • 2. 发明授权
    • Digital test system and method for value based data
    • 数字测试系统和基于价值的数据的方法
    • US08405419B1
    • 2013-03-26
    • US13233374
    • 2011-09-15
    • Eugene Rogers AtwoodThomas Joseph BardsleyVictor MoyMichael Won
    • Eugene Rogers AtwoodThomas Joseph BardsleyVictor MoyMichael Won
    • H03K19/173H03K19/00
    • H03K19/096
    • Embodiments of the present invention provide an inequality indication system (IIS). The IIS provides built in test support which enables evaluation, in an on-chip digital logic circuit, of digital values as inequalities, with either a single pass/fail bit expressed on a device I/O or a readable register containing inequality evaluation results. The IIS enables the movement of value evaluation onto the device (chip) using a common simple method, well suited to address/data type structures or scan based structures, instead of off-chip, which then requires tester dependent custom code. The IIS, when enabled, overrides the TDO signal to allow it to function as an inequality indicator instead of a standard test data out signal.
    • 本发明的实施例提供了一种不等式指示系统(IIS)。 IIS提供了内置的测试支持,可以在片上数字逻辑电路中将数字值作为不等式进行评估,在设备I / O上表示单个通过/失败位或包含不等式评估结果的可读寄存器。 IIS使用通用简单的方法将值评估移动到设备(芯片)上,非常适合地址/数据类型结构或基于扫描的结构,而不是片外,然后需要依赖于测试者的自定义代码。 IIS启用时,会覆盖TDO信号,以使其能够用作不等式指示器,而不是标准测试数据输出信号。