Product Summary

Integrated RTC/Alarm/F-RAM & Embedded Crystal

Parametrics

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
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
Real-time Clock/Calendar
? Embedded 32.768 kHz Crystal
? Backup Current under 1 μA
? Seconds through Centuries in BCD format
? Tracks Leap Years through 2099
? Software Calibration
? Supports Battery or Capacitor Backup
Easy to Use Configurations
? Operates from 2.7 to 3.6V
? 20-pin “Green”/RoHS SOIC (-G)
? Low Operating Current
? Industrial Temperature -40°C to +85°C
? Underwriters Laboratory (UL) Recognized

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
FM3135-GTR
FM3135-GTR

Ramtron

F-RAM 64K FRAM w/RTC Alarm

Data Sheet

Negotiable 
FM3135-G
FM3135-G

Ramtron

F-RAM 64K FRAM w/RTC Alarm

Data Sheet

Negotiable