AB18X5 Real-Time Clock with Power

Management Family

Date of Issue: October 16, 2014

3.0 x 3.0 mm

Page 2 of 37

Abracon Drawing #453568

Revision: C

1. Family Summary

The AB18X5 family consists of several members (see Table 1). All devices are supplied in a standard 3x3

mm QFN-16 package. Members of the software and pin compatible AB08X5 RTC family are also listed.

Table 1: Family Summary

Part #

Baseline

Timekeeping

Advanced Timekeeping

Power Management

Interface

XT

Osc

Number

of GP

Outputs

RC

Osc

Calib/

Auto-

calib

Watch-

dog

RAM

(B)

VBAT

Switch

Reset

Mgmt

Ext

Int

Power

Switch and

Sleep FSM

AB1805

■

4

■■

■

256

■■

■■

AB1815

■

3

■■

■

256

■■

■■

SPI

Software and Pin Compatible AB08X5 Family Components

AB0805

■

3

■■

■

256

■■

AB0815

■

2

■■

■

256

■■

SPI