55.35 EEPROM Electrical Specifications

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

Operating temperature:

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

Param. No. Symbol Characteristics Min. Typ. Max. Units Conditions
EEP_1 EERETEN (2) EEPROM Data Retention 20 Yrs
EEP_3 EEP (2) EEPROM Cell Endurance

(EEPROM Erase or Write Operation)

32 x NVM_3 kCycles All 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_3 All 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_3 All 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_3 All 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_3 All 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_5 EEREAD EEPROM Read 0 Wait States NVM_5 MHz VDD=3.3V,

NVMCTRL CTRLA.AUTOWS > 0

1 Wait States NVM_5
2 Wait States NVM_5
3 Wait States NVM_5
4 Wait States NVM_5
5 Wait States NVM_5
6 Wait States NVM_5
EEP_7 EETWR EEPROM Cycle Time Write NVM_7 ms Write a bit from 0-to-1

NVM_7: Refer to

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

EEP_9 NVM_9 ms Write a bit from 1-to-0 (Requires Block Erase)

NVM_9: Refer to

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

EEP_11 EETERASE Erase NVM_11 s VDD=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.