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ISL12020

Features: • Real Time Clock/Calendar- Tracks Time in Hours, Minutes and Seconds- Day of the Week, Day, Month and Year• On-chip Oscillator Compensation Over the Operating Temp Range- ±5ppm over -20°C to +70°C• Day Light Saving Time- Customer Programmable• 15 Selectable Frequ...

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SeekIC No. : 004379430 Detail

ISL12020: Features: • Real Time Clock/Calendar- Tracks Time in Hours, Minutes and Seconds- Day of the Week, Day, Month and Year• On-chip Oscillator Compensation Over the Operating Temp Range- ±5pp...

ISL12020 Data Sheet

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Part Number:
ISL12020
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Real Time Clock/Calendar
- Tracks Time in Hours, Minutes and Seconds
- Day of the Week, Day, Month and Year
• On-chip Oscillator Compensation Over the Operating Temp Range
- ±5ppm over -20°C to +70°C
• Day Light Saving Time
- Customer Programmable
• 15 Selectable Frequency Outputs
• 1 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
- Operation to VBAT = 1.8V
- 1.0µA Battery Supply Current
• Battery Status Monitor, 2 Levels, Selectable by Customer to:
- Seven Selectable Voltages for Each Level
• Power Status Brown Out Monitor
• Six Selectable Trip Level, from 4.675V to 2.295V Power Failure Detection
• Time Stamp during Power to Battery and Battery to Power Cross Over
- Time Stamp. First VDD to VBAT, and Last VBAT to VDD
• 128 Bytes Battery-Backed User SRAM
• I2C Interface
- 400kHz Clock Frequency
• 8 Ld SOIC Package ISL12020
• Pb-Free Plus Anneal Available (RoHS Compliant)


Application

• Utility Meters
• POS Equipment
• Medical Application
• Security Related Application
• Vending Machine
• White Goods


Pinout

Connection Diagram


Specifications

Voltage on VDD, VBAT, SCL, SDA, and IRQ/FOUT pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . .. . -0.3V to 6.0V
Voltage on X1 and X2 pins
(respect to ground) . . . . . . . . . . . . . . . . . . . . . . .. -0.3V to 2.5V
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3014) .  . . .>2kV
Machine Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>150V


Description

The ISL12020 device is a low power real time clock with an embedded Temp sensor for oscillator compensation, clock/calendar, power fail, low battery monitor, brown out indicator, single periodic or polled alarms, intelligent battery backup switching and 128 bytes of battery-backed user SRAM.

The oscillator ISL12020 uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The ISL12020 has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction. Daylight Savings time adjustment is done automatically, using parameters entered by the user.

Power fail and battery monitors offer user-selectable trip levels. A time stamp function records the time and date of switchover from VDD to battery power, and also from battery to VDD power.




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