ISL12059 Datasheet, PDF (1/11 Pages) Intersil Corporation – Low Cost and Low Power I2C Bus™ Real Time Clock/Calendar

ISL12059
®
Low Cost and Low Power I²C Bus^™ Real Time Clock/Calendar
Data Sheet
June 15, 2009
FN6757.0
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
• I²C Bus
- 400kHz Data Transfer Rate
• Small Package Option
- 8 Ld SOIC Package
- Pb-Free (RoHS Compliant)
• Low Cost 3V Alternative to M41T00S, DS1340 and
ISL12008
X1 1
X2 2
NC 3
GND 4
8 V_DD
7 FT/OUT
6 SCL
5 SDA
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
.
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
V_DD RANGE
(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.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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Copyright Intersil Americas Inc. 2009. All Rights Reserved
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