Real Time Clock

The AS0128 device is a low power real time clock with timing and crystal compensation, clock/calendar, power fail indicator, periodic or polled alarm, intelligent battery backup switching and battery-backed user SRAM.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.


  • Audio/Video Components
  • Set Top Box/Television
  • Network Routers, Hubs, Switches, Bridges
  • Fixed Broadband Wireless Equipment
  • PDA
  • POS Equipment
  • Test Meters/Fixtures
  • Office Automation (Copiers, Fax)
  • Home Appliances
  • Computer Products
  • Other Industrial/Medical/Automotive