Title :
Two modeling techniques for CMOS circuits to enhance test generation and fault simulation for bridging faults
Author :
Lee, Kuen-Jong ; Tang, Jing-Jou
Author_Institution :
Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan
Abstract :
In this paper we present two accurate and efficient modeling techniques for CMOS circuits to enhance the performance of test generation and fault simulation for bridging faults. The first one is a fault modeling technique for inter-gate bridging faults. The second one is an accurate threshold determination method. The accuracy of our model is achieved because all the following factors, including device parameters, voltage operation range of each logic value, resistance of ON-transistors, resistance of bridging faults, and test patterns are considered. The efficiency is achieved due to the simplicity of the solution methods that require no complex circuit level simulation. Experimental data show that SPICE like accuracy can be efficiently achieved
Keywords :
CMOS logic circuits; SPICE; automatic testing; circuit analysis computing; design for testability; fault diagnosis; integrated circuit modelling; logic CAD; logic testing; CMOS circuits; IDDQ testing; SPICE like accuracy; bridging faults; digital logic gates; efficient modeling techniques; enhanced test generation performance; fault modeling technique; fault simulation; inter-gate faults; logic testing; threshold determination method; CMOS technology; Central Processing Unit; Circuit faults; Circuit simulation; Circuit testing; Logic testing; SPICE; Semiconductor device modeling; Switches; Voltage;
Conference_Titel :
Test Symposium, 1996., Proceedings of the Fifth Asian
Conference_Location :
Hsinchu
Print_ISBN :
0-8186-7478-4
DOI :
10.1109/ATS.1996.555154