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FM3130-G Datasheet(PDF) 1 Page - Ramtron International Corporation |
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FM3130-G Datasheet(HTML) 1 Page - Ramtron International Corporation |
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1 / 22 page  O BS O LE TE N o D ire ct R ep la ce m en t Al te rn at iv e: FM 31 64 This product conforms to specifications per the terms of the Ramtron Ramtron International Corporation standard warranty. The product has completed Ramtron‟s internal 1850 Ramtron Drive, Colorado Springs, CO 80921 qualification testing and has reached production status. (800) 545-FRAM, (719) 481-7000 http://www.ramtron.com Rev. 3.2 Sept. 2011 Page 1 of 22 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 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 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 -40C to +85C Underwriters Laboratory (UL) Recognized 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 source, either a battery or a capacitor. The timekeeper uses a common external 32.768 kHz crystal and provides a calibration mode that allows software adjustment of timekeeping accuracy. Pin Configuration Pin Name Function X1, X2 Crystal Connections ACS Alarm/Calibration/SqWave SDA Serial Data SCL Serial Clock VBAK Battery-Backup Supply VDD Supply Voltage VSS Ground Ordering Information FM3130-G “Green”/RoHS 8-pin SOIC FM3130-GTR “Green”/RoHS 8-pin SOIC, Tape & Reel FM3130-DG “Green”/RoHS 8-pin TDFN FM3130-DGTR “Green”/RoHS 8-pin TDFN, Tape & Reel VSS X1 VBAK X2 1 2 3 4 5 6 7 8 VDD SCL SDA ACS X1 X2 VBAK VSS VDD ACS SCL SDA Top View 1 2 3 4 8 7 6 5 |
Similar Part No. - FM3130-G |
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Similar Description - FM3130-G |
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