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FN6109.4
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005-2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
ISL1209
Real Time Clock/Calendar with Event Detection
Low Power RTC with Battery Backed
SRAM and Event Detection
The ISL1209 device is a low power real time clock with event
detect function, timing and crystal compensation,
clock/calendar, power fail indicator, periodic or polled alarm,
intelligent battery backup switching and battery-backed user
SRAM.
NOTE: 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
ISL1209
(10 LD MSOP)
TOP VIEW
Features
Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Day, Month, and Year
Security and Event Functions
- Tamper detection with Time Stamp
- Event Detection During Battery Packed or Normal
Modes
- Selectable Event Input Sampling Rates Allows Low
Power Operation
- Selectable Glitch Filter on Event Input Monitor
15 Selectable Frequency Outputs
Single Alarm
- Settable to the Second, Minute, Hour, Day of the Week,
Day, or Month
- Single Event or Pulse Interrupt Mode
Automatic Backup to Battery or Super Cap
Power Failure Detection
On-Chip Oscillator Compensation
2 Bytes Battery-Backed User SRAM
I2C Interface
- 400kHz Data Transfer Rate
400nA Battery Supply Current
Small Package
-10 Ld MSOP
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
Utility Meters
Set Top Box/Modem
POS Equipment
Network Routers, Hubs, Switches, Bridges
Cellular Infrastructure Equipment
Fixed Broadband Wireless Equipment
Test Meters/Fixtures
Vending Machine Management
Security and Anti Tampering Applications
- Panel/Enclosure Status
- Warranty Reporting
- Time Stamping Applications
- Patrol/Security Check (Fire or Light Equipment)
- Automotive Applications
Ordering Information
PART
NUMBER*
PART
MARKING
VDD
RANGE
(V)
TEMP
RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL1209IU10
AGT
2.7 to 5.5 -40 to +85 10 Ld MSOP M10.118
ISL1209IU10Z
(Note)
ANV
2.7 to 5.5 -40 to +85 10 Ld MSOP
(Pb-free)
M10.118
*Add “-TK” suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are 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.
VDD
IRQ/FOUT
SCL
SDA
EVDET
X1
X2
VBAT
EVIN
1
2
3
4
5
10
9
8
7
6
GND
Data Sheet
October 17, 2006
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