CBC34813 EnerChip™ RTC

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DS-72-38 V.07

Page 4 of 18

Preliminary

Absolute Maximum Ratings

PARAMETER

CONDITION

MIN

TYPICAL

MAX

UNITS

Self-Discharge (5 yr. average)

Non-recoverable

-

2.5

-

% per year

Recoverable

-

-

% per year

Operating Temperature

-

-10

25

+70

°C

Storage Temperature

-

-40

-

°C

Recharge Cycles

(to 80% of rated

capacity)

25°C

10% depth-of-discharge

5000

-

-

cycles

50% depth-of discharge

1000

-

-

cycles

40°C

10% depth-of-discharge

2500

-

-

cycles

50% depth-of-discharge

500

-

-

cycles

Recharge Time (to 80% of rated

capacity; 4.1V charge; 25°C)

Charge cycle 2

-

11

22

minutes

Charge cycle 1000

-

45

70

Capacity

40nA discharge; 25°C

5

-

-

µAh

Note: All specifications contained within this document are subject to change without notice.

PARAMETER / PIN

CONDITION

MIN

TYPICAL

MAX

UNITS

25°C

GND - 0.3

-

3.6

V

ENABLE Input Voltage

25°C

GND - 0.3

-

V

25°C

3.0

-

4.15

V

25°C

3.0

-

4.15

V

RESET Output Voltage

25°C

GND - 0.3

-

2.7

V

VOUT

25°C

GND - 0.3

-

3.6

V

XI, XO, SDI, SDO, SCL, nCE, AF, FOUT/

nIRQ, nIRQ2

See Ambiq Micro AM0813 Data Sheet

Integrated EnerChip Thin Film Battery Operating Characteristics