ISL12020M

FN6667 Rev 6.00

Page 4 of 34

January 9, 2015

Block Diagram

I2C

INTERFACE

CONTROL

LOGIC

ALARM

FREQUENCY

OUT

RTC

DIVIDER

SDA

BUFFER

CRYSTAL

OSCILLATOR

POR

SWITCH

SCL

BUFFER

SDA

SCL

X1

X2

VDD

VBAT

INTERNAL

SUPPLY

VTRIP

SECONDS

MINUTES

HOURS

DAY OF WEEK

DATE

MONTH

YEAR

USER

SRAM

CONTROL

REGISTERS

GND

REGISTERS

TEMPERATURE

SENSOR

FREQUENCY

CONTROL

IRQ/FOUT

+-

Ordering Information

PART NUMBER

(Notes 1, 2, 3)

PART

MARKING

VDD RANGE

(V)

TEMP RANGE

(°C)

PACKAGE

(RoHS Compliant)

PKG DWG #

ISL12020MIRZ

ISL 12020MIRZ

2.7 to 5.5

-40 to +85

20 Ld DFN

L20.5.5x4.0

ISL12020MIRZ-EVALZ

Evaluation Board

NOTES:

1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.

2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials and 100% matte tin

plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free

products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

3. For Moisture Sensitivity Level (MSL), please see device information page for ISL12020M. For more information on MSL please see techbrief TB363.