OVERVIEW
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.
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.
KEY 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)
PARAMETRICS
Parameters
ISL12082
Basic Information
Production Status
量産中
電源電圧Vcc (V) (min)
2.7
電源電圧Vcc (V) (max)
5.5
VBAT (min)
1.8 V
VBAT (max)
5.5 V
IBAT (nA)
800
アラーム
1
水晶周波数調整
Yes
選択可能周波数出力
4
CPU監視機能POR
No
CPU監視機能ウォッチドッグタイマ
No
バッテリシール
Yes
バッテリバックアップ
Yes
POR用VTRIP
Yes
IRQ_Bar
IRQ1/FOUT, IRQ2
FOUT
IRQ_bar/FOUT
RESET_bar
No
オシレータ補償 (ppm)
-94 to +140
SRAM
N
その他機能
Alarm, Timer
メモリタイプ
RAM
バス/出力インタフェース
I2C
タイムキーピング電流
1.6 µA
IRQピン
Yes
周波数OUTピン
Yes
タイマ
Yes
タンパ検出
No
リセット
No
認定レベル
Standard
バッテリ電圧範囲 (V)
1.8 to 5.5
電源電圧Vcc範囲 (V)
2.7 to 5.5
CANサンプル
YES
温度範囲
-40 to +85
ブロック図
