Real Time Clock Serial 512Byte 8-Pin SOIC N T/R

The ISL12026 device is micro powerreal time clocks with timing and crystal compensation,clock/calender, power-fail indicator, two periodic or polledalarms, intelligent battery backup switching, and integrated512x8-bit EEPROM configured in 16 Bytes per page. The oscillator uses an external, low-cost 32.768kHz crystal.The real time clock tracks time with separate registers forhours, minutes, and seconds. The device has calendarregisters for date, month, year and day of the week. Thecalendar is accurate through 2099, with automatic leap yearcorrection.

• 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
  • 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Package Options
  • 8 Ld SOIC and 8 Ld TSSOP Packages
• Pb-Free (RoHS Compliant)