Ramtron FM3135
The FM3135 integrates a real-time clock (RTC) and F-RAM nonvolatile memory. The 32.768kHz crystal is embedded inside the package. The device operates from 2.7 to 3.6V.| Part No. | FM3135 |
|---|---|
| Datasheet | FM3135 Download |
| Manufacturer |  Ramtron |
| Description | Integrated RTC/Alarm/F-RAM & Embedded Crystal |
| Buy | Stock & Price |
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 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
DESCRIPTION
The device operates from 2.7 to 3.6V. The FM3135 provides nonvolatile F-RAM which features fast write speed and unlimited endurance.
