FM3130

www.DataSheet.co.kr FM3130 Integrated RTC/Alarm and 64Kb F-RAM Features High Integration Device Replaces Multiple Parts  Serial Nonvolatile Memory  Real-time Clock (RTC) with Alarm  Clock Output (Programmable frequency) 64Kb Ferroelectric Nonvolatile RAM  Internally Organized as 8Kx8  Unlimited Read/Write Endurance  45 year Data Retention  NoDelay™ Writes Real-time Clock/Calendar  Backup Current under 1 A  Seconds through Centuries in BCD format  Tracks Leap Years through 2099  Uses Standard 32.768 kHz Crystal (12.5pF)  Software Calibration  Supports Battery or Capacitor Backup Easy to Use Configurations  Operates from 2.7 to 3.6V  8-pin “Green” SOIC (-G) and TDFN (-DG)  Low Operating Current  Industrial Temperature -40C to +85C  Underwriters Laboratory (UL) Recognized Fast Two-wire Serial Interface  Up to 1 MHz Maximum Bus Frequency  Supports Legacy Timing for 100 kHz & 400 kHz  RTC & F-RAM Controlled via 2-wire Interface Description The FM3130 integrates a real-time clock (RTC) and F-RAM nonvolatile memory. The device operates from 2.7 to 3.6V. The FM3130 provides nonvolatile F-RAM which features fast write speed and unlimited endurance. This allows the memory to serve as extra RAM for the system microcontroller or conventional nonvolatile storage. This memory is truly nonvolatile rather than battery backed. The real-time clock (RTC) provides time and date information in BCD format. It can be permanently powered from external backup voltage sour...