Real Time Clock/Calendar
- Tracks Time in Hours, Minutes and Seconds
- Day of the Week, Day, Month and Year
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-bus? Interface
- 400kHz Data Transfer Rate
800nA Battery Supply Current
Package Options
- 8 Ld SOIC and 8 Ld TSSOP Packages
Pb-Free (RoHS Compliant)

ISL12027IB27AZ Description

The ISL12027 device is a low power real time clock with timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, CPU Supervisor and integrated 512x8-bit EEPROM, in 16 Byte per page format.

The oscillator uses an external, low-cost 32.768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. 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.

ISL12027IB27AZ Parameters

Products Similar to ISL12027IB27AZ

ISL12027, ISL12027IBAZ-T, ISL12027IB27Z, ISL12027IBAZ, ISL12027IV30AZ-T

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Keywords

ISL12027IB27AZ Data Sheet	ISL12027IB27AZ Spec	ISL12027IB27AZ Application Notes	ISL12027IB27AZ Distributor
ISL12027IB27AZ Circuit	ISL12027IB27AZ Reference	ISL12027IB27AZ PDF	ISL12027IB27AZ RoHS