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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 0

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 6 Weeks
Minimum Order: 250
Multiple Of: 250
Quantity Web Price
250 $2.80
500 $2.46
750+ $2.43


Attributes Table
Date Format DW:DM:M:Y
Time Format HH:MM:SS
Interface Serial
Non-Volatile Memory Size 16B
Supply Voltage-Nom -0.3V to +6V
Temperature Grade Industrial
Operating Temp Range -40°C to +85°C
Storage Temperature Range -65°C to +150°C
Features and Applications

The ISL12026IBZ-T7A is a micro power real time clock and calendar with an I2C bus and EEPROM, available in surface mount SOIC-8 package.

This device uses an external, low-cost 32.768 kHz crystal and have different types of power control settings like legacy mode setting, which follows conditions set in X1226 products, standard mode setting etc.


  • Real Time Clock/Calendar
    • Tracks Time in Hours, Minutes and Seconds
    • Day of the Week, Day, Month and Year
    • 3 Selectable Frequency Outputs
  • Two Non-Volatile Alarms
    • Settable on the Second, Minute, Hour, Day of the Week, Day or Month
    • Repeat Mode (Periodic Interrupts)
  • Automatic Backup to Battery or SuperCap
  • On-Chip Oscillator Compensation
    • Internal Feedback Resistor and Compensation Capacitors
    • 64 Position Digitally Controlled Trim Capacitor
    • 6 Digital Frequency Adjustment Settings to ±30ppm
  • 512x8 Bits of EEPROM
    • 16-Byte Page Write Mode (32 total pages)
    • 8 Modes of BlockLock™ Protection
    • Single Byte Write Capability
  • High Reliability
    • Data Retention: 50 years
    • Endurance: >2,000,000 Cycles Per Byte
  • I2C Interface
    • 400 kHz Data Transfer Rate
  • 800 nA Battery Supply Current
  • Package Options
    • 8 Ld SOIC and 8 Ld TSSOP Packages
  • Pb-Free (RoHS Compliant)


  • Utility Meters
  • HVAC Equipment
  • Audio/Video Components
  • Set-Top Box/Television
  • Modems
  • Network Routers, Hubs, Switches, Bridges
  • Cellular Infrastructure Equipment