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Renesas Electronics Components Datasheet

ISL12082 Datasheet

I2C-Bus Real Time Clock

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DATASHEET
ISL12082
I2C-Bus Real Time Clock with Two Interrupts, Alarm, and Timer, Low Power RTC with
Battery ReSeal, 2 IRQs, Hundredths of a Second Time and Crystal Compensation
FN6731
Rev 4.00
Sep 25, 2015
The ISL12082 device is a low power real time clock with
timing and crystal compensation, clock/calendar, power fail
indicator, 2 IRQs, periodic or polled alarm, timer/watchdog,
and intelligent battery backup switching.
The oscillator uses an external, low-cost 32.768kHz crystal.
The real time clock tracks time with separate registers for
hours, minutes, seconds and hundredths of a second. 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.
Pinouts
ISL12082
(8 LD SOIC)
TOP VIEW
X1
X2
GND
IRQ2
1
2
3
4
8
7
6
5
VDD
IRQ1/fOUT
SCL
SDA
ISL12082
(10 LD MSOP)
TOP VIEW
X1 1
X2 2
VBAT
3
GNNODLONGE4R
AVAILABLE
10
OR9
8
7
SUPPVIRODRQDT1E/fDOUT
SCL
SDA
NC 5
6 IRQ2
Features
• Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, Seconds, and
Hundredths of a Second
- Day of the Week, Day, Month, and Year
• 4 Selectable Frequency Outputs
• Alarm
- Settable to the Second, Minute, Hour, Day of the Week,
Day, or Month
- Single Event or Pulse Interrupt Mode
• Timer
- 4 Selectable Timer Functions
- 4 Selectable Timer Clock Frequencies
- Single Event or Pulse Interrupt Mode
• Automatic Backup to Battery or Supercapacitor
• Power Failure Detection
• Battery ReSeal
• On-Chip Oscillator Compensation
• I2C Interface
- 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Small Package Options
- 8 Ld SOIC Package
- 10 Ld MSOP Package
• Pb-Free (RoHS Compliant)
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
• POS Equipment
• Test Meters/Fixtures
• Office Automation (Copiers, Fax)
• Home Appliances
• Computer Products
FN6731 Rev 4.00
Sep 25, 2015
Page 1 of 28


Renesas Electronics Components Datasheet

ISL12082 Datasheet

I2C-Bus Real Time Clock

No Preview Available !

ISL12082
.
Ordering Information
PART NUMBER
(Note)
PART
MARKING
VDD RANGE
(V)
TEMP. RANGE
(°C)
PACKAGE
(RoHS Compliant)
PKG.
DWG. #
ISL12082IB8Z
12082 IBZ
2.7 to 5.5
-40 to +85
8 Ld SOIC
M8.15
ISL12082IB8Z-T*
12082 IBZ
2.7 to 5.5
-40 to +85
8 Ld SOIC
(Tape and Reel)
M8.15
ISL12082IUZ
12082
(No longer available
or supported)
2.7 to 5.5
-40 to +85
10 Ld MSOP
M10.118
ISL12082IUZ-T*
12082
(No longer available
or supported)
2.7 to 5.5
-40 to +85
10 Ld MSOP
(Tape and Reel)
M10.118
*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.
Block Diagram
SDA
SCL
SDA
BUFFER
SCL
BUFFER
I2C
INTERFACE
RTC
CONTROL
LOGIC
X1
X2
VDD
VTRIP
VBAT
CRYSTAL
OSCILLATOR
RTC
DIVIDER
POR
FREQUENCY
OUT
SWITCH
INTERNAL
SUPPLY
ALARM
TIMER
SECONDS
MINUTES
HOURS
DAY OF WEEK
DATE
MONTH
YEAR
CONTROL
REGISTERS
IRQ2
IRQ1/fOUT
FN6731 Rev 4.00
Sep 25, 2015
Page 2 of 28


Part Number ISL12082
Description I2C-Bus Real Time Clock
Maker Renesas
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ISL12082 Datasheet PDF






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