AB18X5 Real-Time Clock with Power

Management Family

Date of Issue: October 16, 2014

3.0 x 3.0 mm

Page 28 of 37

Abracon Drawing #453568

Revision: C

5.10 Power On AC Electrical Characteristics

Figure 20 and Table 13 describe the power on AC electrical characteristics for the FOUT pin and XT

oscillator.

Figure 20. Power On AC Electrical Characteristics

Table 13: Power On AC Electrical Parameters

SYMBOL

PARAMETER

VCC

MIN

TYP

MAX

UNIT

Low period of VCC to ensure a valid POR

1.7V–3.6V

85 °C

0.1

s

25 °C

0.1

-20 °C

1.5

-40 °C

10

VCC low to FOUT low

1.7V–3.6V

85 °C

0.1

s

25 °C

0.1

-20 °C

1.5

-40 °C

10

VCC high to FOUT high

1.7V–3.6V

85 °C

0.4

s

25 °C

0.5

-20 °C

3

-40 °C

20

FOUT high to XT oscillator start

1.7V–3.6V

85 °C

0.4

s

25 °C

0.4

-20 °C

0.5

-40 °C

1.5

VCC

XT