Device Part Numbers
EPM7128ATC144-6
- EPM = Family Signature (Erasable Programmable MAX device)
- 7128A = Device type (128 = number of macrocells)
- T = Package type (L = PLCC, T = TQFP...)
- C = Operating temperature (Commercial, Industrial)
- 144 = Pin count (number of pins on the package)
- -6 = Speed Grade (-5, -6, -7, -10, -12, -15)
- Suffix may follow speed grade (for special device features)
Another Example:
- EPM7064SLC44-5
- EPM7064S in a commercial-temp, 44 pin PLCC package with a 5 ns speed grade