55.35 EEPROM Electrical Specifications

Table 55-49. EEPROM Electrical Specifications (1)
AC CHARACTERISTICSStandard Operating Conditions: VDD = AVDD = 1.71V to 3.63V (unless otherwise stated)

Operating temperature:

-40°C ≤ TA ≤ +85°C for Industrial Temperature

Param. No.SymbolCharacteristicsMin.Typ.Max.UnitsConditions
EEP_1EERETEN (2)EEPROM Data Retention20Yrs
EEP_3EEP (2)EEPROM Cell Endurance

(EEPROM Erase or Write Operation)

32 x NVM_3kCyclesAll virtual space is occupied

SEESTAT.SBLK=1, SEESTAT.PSZ=0

SEESTAT.SBLK=1, SEESTAT.PSZ=1

SEESTAT.SBLK=1, SEESTAT.PSZ=2

SEESTAT.SBLK=1, SEESTAT.PSZ=3

NVM_3: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

16 x NVM_3All virtual space is occupied

SEESTAT.SBLK=2, SEESTAT.PSZ=4

NVM_3: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

10.6 x NVM_3All virtual space is occupied

SEESTAT.SBLK=3, SEESTAT.PSZ=5

NVM_3: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

6.4 x NVM_3All virtual space is occupied

SEESTAT.SBLK=5, SEESTAT.PSZ=6

NVM_3: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

3.2 x NVM_3All virtual space is occupied

SEESTAT.SBLK=10, SEESTAT.PSZ=7

NVM_3: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

EEP_5EEREADEEPROM Read0 Wait StatesNVM_5MHzVDD=3.3V,

NVMCTRL CTRLA.AUTOWS > 0

1 Wait StatesNVM_5
2 Wait StatesNVM_5
3 Wait StatesNVM_5
4 Wait StatesNVM_5
5 Wait StatesNVM_5
6 Wait StatesNVM_5
EEP_7EETWREEPROM Cycle Time WriteNVM_7msWrite a bit from 0-to-1

NVM_7: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

EEP_9NVM_9msWrite a bit from 1-to-0 (Requires Block Erase)

NVM_9: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

EEP_11EETERASEErase NVM_11sVDD=3.3V

NVM_11: Refer to

NVM Block (Flash, Data Flash, NVM Configuration Rows) Electrical Specifications

Note:
  1. EEPROM parameters are dependent upon NVM parameters tied to SmartEEPROM emulation algorithm.
  2. Under all conditions less than Absolute Maximum Ratings specifications.