What is the difference between OTP, P2ROM and MROM?
Descriptive Answer:
| Product | OTP | P2ROM | MROM |
|---|---|---|---|
| Buffer/Bank | buffer inventory with finished devices | wafer/untest package bank | wafer bank |
| Lead-time from code verification | 1 day (at local programming house) | 2 weeks (ex-Japan) | 6 weeks or longer |
| Custom Marking | N/A (labeling) | available | available |
| Mask Charge | no need | no need | yes |
| Programming Charge | yes | no need | no need |
