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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 980

On Order:Order inventroy details 980
Factory Stock:Factory Stock: 0
Factory Lead Time: 7 Weeks
Minimum Order: 1
Multiple Of: 1
Quantity Web Price
1 $4.41
196 $3.25
294 $3.18
392 $3.13
490+ $3.09


Attributes Table
Date Format DW:DM:M:Y
Time Format HH:MM:SS
Interface I2C
Non-Volatile Memory Size 128B
Supply Voltage-Nom 2.7V to 5.5V
Temperature Grade Industrial
Operating Temp Range -40°C to +85°C
Storage Temperature Range -65°C to +150°C
Features and Applications

The ISL12022IBZ is a low power real time clock with battery-backed SRAM and embedded temperature compensation, available in surface mount SOIC-8 package.

This device features clock and calendar, power fail, low battery monitor, brownout indicator, single periodic or polled alarms, intelligent battery-backup switching, Battery Reseal function and 128 bytes of battery-backed user SRAM.


  • 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 Temperature Range
    • ±5ppm Over -40°C to +85°C
  • 10-bit Digital Temperature Sensor Output
    • ±2°C Accuracy
  • Customer Programmable Day Light Saving Time
  • 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
  • Battery Reseal™ Function to Extend Battery Shelf Life
  • Automatic Backup to Battery or Super Capacitor
    • Operation to VBAT = 1.8V
    • 1.0μA Battery Supply Current
  • Battery Status Monitor
    • 2 User Programmable Levels
    • Seven Selectable Voltages for Each Level
  • Power Status Brownout Monitor
    • Six Selectable Trip Levels, from 2.295V to 4.675V
  • Oscillator Failure Detection
  • Time Stamp for First VDD to VBAT, and Last VBAT to VDD
  • 128 Bytes Battery-Backed User SRAM


  • Utility Meters
  • POS Equipment
  • Medical Devices
  • Security Systems
  • Vending Machines
  • White Goods
  • Printers and Copiers