2.1针床测试仪概念 Device Under Fixture Test Wiring Fixture Probe (nail) PC Board Under Test -----Hfest System Actual Receive Pass/Fail States 0-Pass R2 1-Fail D3 Pass/Fail Expected年 Receive States Drive States 2020/9/5 集成电路可测性设计 72.1 针床测试仪概念 2020/9/5 集成电路可测性设计 7