1

®

FN6757.0

ISL12059

Low Power and Low Cost RTC

The ISL12059 device is a low power real time clock with

clock/calendar, and 512Hz/digital output function.

The oscillator uses an external, low-cost 32.768kHz crystal.

The real time clock tracks time with separate registers for

hours, minutes, and seconds. The device has calendar

registers for date, month, year and day of the week. The

calendar is accurate through 2099, with automatic leap year

correction.

Pinout

ISL12059

(8 LD SOIC)

TOP VIEW

Features

• Real Time Clock/Calendar

- Tracks Time in Hours, Minutes, and Seconds

- Day of the Week, Date, Month, and Year

• 512Hz Frequency Output

- 400kHz Data Transfer Rate

• Small Package Option

- 8 Ld SOIC Package

- Pb-Free (RoHS Compliant)

• Low Cost 3V Alternative to M41T00S, DS1340 and

ISL12008

Applications

• Utility Meters

• HVAC Equipment

• Audio/Video Components

• Set-Top Box/Television

• Modems

• Network Routers, Hubs, Switches, Bridges

• Cellular Infrastructure Equipment

• Fixed Broadband Wireless Equipment

• Pagers/PDA

• Point Of Sale Equipment

• Test Meters/Fixtures

• Office Automation (Copiers, Fax)

• Home Appliances

• Computer Products

• Other Industrial/Medical/Automotive

.

X1

X2

NC

GND

1

2

3

4

8

7

6

5

FT/OUT

SCL

SDA

Ordering Information

PART

NUMBER

(Note)

PART

MARKING

(V)

TEMP. RANGE

(°C)

PACKAGE

(Pb-Free)

PKG.

DWG. #

ISL12059IBZ

12059 IBZ

1.4 to 3.6

-40 to +85

8 Ld SOIC

M8.15

ISL12059IBZ-T*

12059 IBZ

1.4 to 3.6

-40 to +85

8 Ld SOIC (Tape and Reel) M8.15

*Please refer to TB347 for details on reel specifications.

NOTE: 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.

Data Sheet

June 15, 2009

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

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