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Method and apparatus of testing die to die interconnection for system in package
Method and apparatus of testing die to die interconnection for system in package
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机译:用于封装中系统的管芯到管芯互连的测试方法和装置
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摘要
Method and apparatus of testing die to die interconnection for system in package (SiP). For testing a die to die interconnection connected between two pads of two dice, an IO buffer, e.g., a bi-directional IO buffer, in one of the two dice coupled to one of the two pads is arranged. An oscillating feedback is formed between an output port and an input port of the IO buffer, such that a state, e.g., an open state, a short state or a normal state of the die to die interconnection is tested according to a timing characteristic, e.g., a frequency, of a signal of the IO buffer.
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