Table 44-30. NVM Max Speed
Characteristics
|
Conditions |
CPU
Fmax (MHz) |
0WS |
1WS |
2WS |
PL0 (-40/85°C) |
VDD>1.6 V |
6 |
8 |
8 |
VDD>2.7 V |
7.5 |
8 |
8 |
PL2 (-40/85°C) |
VDD>1.6 V |
14 |
28 |
32 |
VDD>2.7 V |
24 |
32 |
32 |
Table 44-31. NVM Timing
Characteristics(1)
Symbol |
Parameter |
Max |
Units |
tFPP |
Page programming time |
2.5 |
ms |
tFRE |
Row erase time |
6 |
Note:
- These values are based on simulation. They are not covered
by production test limits or characterization.
For this Flash technology, a maximum number of 8 consecutive writes is allowed per row. Once
this number is reached, a row erase is mandatory.
Table 44-32. Flash Endurance and Data
Retention
Symbol |
Parameter |
Conditions |
Min. |
Typ. |
Units |
RetNVM25k |
Retention after up to 25k |
Average ambient 55°C |
10 |
50 |
Years |
RetNVM2.5k |
Retention after up to 2.5k |
Average ambient 55°C |
20 |
100 |
Years |
RetNVM100 |
Retention after up to 100 |
Average ambient 55°C |
25 |
>100 |
Years |
CycNVM |
Cycling Endurance(1) |
-40°C < Ta < 85°C |
25K |
100K |
Cycles |
Note:
- An endurance cycle is a write and an erase operation.
Table 44-33. EEPROM Emulation(1)
Reliability Characteristics
Symbol |
Parameter |
Conditions |
Min. |
Typ. |
Units |
RetEE100k |
Retention after up to 100k |
Average ambient 55°C |
10 |
50 |
Years |
RetEE10k |
Retention after up to 10k |
Average ambient 55°C |
20 |
100 |
Years |
CycEE |
Cycling Endurance(2) |
-40°C < Ta < 85°C |
100K |
400K |
Cycles |
Note:
- The EEPROM emulation is a software emulation described in the App note AT03265.
- An endurance cycle is a write and an erase operation.
Table 44-34. Flash Erase and Programming
Current
Symbol |
Parameter |
Typ. |
Units |
IDDNVM |
Maximum current (peak) during whole programming or erase
operation |
10 |
mA |