廬
ISL1209
Real Time Clock/Calendar with Event Detection
Data Sheet
September 27, 2005
FN6109.1
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.
Features
鈥?Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Day, Month, and Year
鈥?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
鈥?15 Selectable Frequency Outputs
Ordering Information
PART
PART NUMBER MARKING
ISL1209IU10*
AGT
V
DD
RANGE
(V)
TEMP
RANGE
(擄C)
PACKAGE
鈥?Single Alarm
- Settable to the Second, Minute, Hour, Day of the Week,
Day, or Month
- Single Event or Pulse Interrupt Mode
鈥?Automatic Backup to Battery or Super Cap
鈥?Power Failure Detection
鈥?On-Chip Oscillator Compensation
鈥?2 Bytes Battery-Backed User SRAM
鈥?I
2
C Interface
- 400kHz Data Transfer Rate
鈥?400nA Battery Supply Current
鈥?Small Package
- 10 Ld MSOP
鈥?Pb-Free Plus Anneal Available (RoHS Compliant)
2.7 to 5.5 -40 to 85 10 Ld MSOP
2.7 to 5.5 -40 to 85 10 Ld MSOP
(Pb-free)
ISL1209IU10Z* ANV
(See Note)
*Add 鈥?TK鈥?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.
Pinout
ISL1209
(10 LD MSOP)
TOP VIEW
X1
X2
V
BAT
GND
Applications
鈥?Utility Meters
V
DD
IRQ/F
OUT
SCL
SDA
EVDET
1
2
3
4
5
10
9
8
鈥?Set Top Box/Modem
鈥?POS Equipment
鈥?Network Routers, Hubs, Switches, Bridges
鈥?Cellular Infrastructure Equipment
鈥?Fixed Broadband Wireless Equipment
鈥?Test Meters/Fixtures
鈥?Vending Machine Management
鈥?Security and Anti Tampering Applications
- Panel/Enclosure Status
- Warranty Reporting
- Time Stamping Applications
- Patrol/Security Check (Fire or Light Equipment)
- Automotive Applications
7
6
EVIN
1
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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Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.