ISL12028A
ISL12028, ISL12028A
OBSOLETE PRODUCT NO REMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or .intersil./tsc
Real Time Clock/Calendar with I2C Bus™ and EEPROM
FN8233 Rev 10.00 August 14, 2015
The ISL12028 device is a low power real time clock with clock/calendar, power-fail indicator, clock output and crystal pensation, two periodic or polled alarms (CMOS output), intelligent battery backup switching, CPU Supervisor, integrated 512x8-bit EEPROM configured in 16 bytes per page.
The oscillator uses an external, low-cost 32.768k Hz 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.
The ISL12028 and ISL12028A Power Control Settings are different. The ISL12028 uses the Legacy Mode Setting, and the ISL12028A uses the Standard Mode Setting....
