scan/atpg 面试问题
1. scan hierarchy的结构及其意义
2. wrapper cell, 什么情况下做shared wrapper cell和dedicated wrapper cell,dedicated cell的设置条件
3. occ 结构,scan clock的安排,如果使用ssn,ssn的clock频率和shift 频率
4. pattern count limit for stuck-at/transiton mode? abort limit setting?
5. pattern simulation, zero-delay/with-sdf
6. 返片debug经验?
7. sdc对dft的作用?MCP&FP?
8. top协议,ijtag1500/1687的区别?
9.dft power controll? low power shifting 的设置?
10. mbist的基本流程及debug经验?