I applied online. The process took 4 weeks. I interviewed at onsemi in May 2014
Interview
3 terns in total. One for HR, one for phone interview, and one for onsite interview. Phone interview includes some basic CMOS blocks and equations such as Id, Rout, etc. Also some basic ESD knowledge such as diode physics. On site interview they asked about my resume projects and experience. You need to carefully prepare your resume. They asked me a lot of Bandgap referrence and LDO circuits.
Interview questions [1]
Question 1
There was a very tricky question: if a cubic has a 1 ohm resistance at each edge, what is the total resistance of it.
I was referred by a current employee. First one telephone interview and then a on site interview, The Phone interview was pretty easy guy the on-site was very difficult. For the lunch they took me to a Chinese restaurant which wasn't the best option because non of us were Chinese.
First accademic based test in which arround 33 questions of ECE subject.
Second is technical round where mostly ask c or c++ related questions.
And third is HR round here simply introduction to eachother.
I applied online. The process took 2 weeks. I interviewed at onsemi (Bengaluru) in Aug 2020
Interview
The process took almost 2 weeks. Initially one telephonic round and then a video call interview which took 4 hours. Four persons interviewed with each one hour. The questions were mainly to check your digital design ability.