AB-RTC-XLA-32.768kHz-2

Ultra-Low Power RTC Module

Revision: Initial Release

9/9/2025

Page 4

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DC Characteristics (TA = -40 to +85°C unless otherwise indicated. VDD = 0.9 to 5.5V, TYP values at 25°C and 3.0V)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Inputs

VI

Input Voltage

VSS-0.5

VDD +0.5

VIH

HIGH level input voltage

0.7*VDD

VDD

V

VIL

LOW level input voltage

VSS

0.3 * VDD

V

ILEAK

Input leakage current

VI =VSS or VDD

0

µA

VI = VSS or VDD, post ESD event

-0.15

+0.15

CI

Input capacitance(5)

On pins SDA, SCL and

CLKOE

7

pF

Outputs

VOH

HIGH level output voltage

On pin CLKOUT

0.8*VDD

VDD

V

VOL

LOW level output voltage

On pins SDA, INT, CLKOUT

VSS

0.2*VDD

V

IOH

HIGH level output current

Output source current

On pin CLKOUT, VOH = 2.6V,

VDD = 3.0V

1

3

V

IOL

LOW level output current

Output sink current

On pins, SDA, VOL = 0.4 V,

VDD = 3.0 V

3

8.5

mA

On pins, INT, VOL = 0.4 V,

VDD = 3.0 V

2

6

On pin, CLKOUT, VOL = 0.4 V,

VDD = 3.0 V

1

3

Note 5:

Implicit by design.