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RV-2251-C3 Datasheet Real-time Clock Module

Manufacturer: MICORO CRYSTAL SWITZERLAND

Overview: APPLICATIONS IoT Metering Industrial Automotive Health Care Wearables, Portables BLOCK DIAGRAM RV-2251-C3 Real-Time Clock Module with I2C-Bus DIMENSIONS Package: 3,7 0,8 0,3 0,55 Recommended Solder Pad: 0,8 0,8 0,8 0,8 0,8 0,7 0,7 0,8 3,0 2,5 1,25 1 2 3 4 5 12 6 11 10 9 8 7 0,2 0,55 0,5 0,8 0,5 4,2 Metal lid is connected to VSS (pin #7) All dimensions in mm typical 0,9 max.

General Description

The RV-2251-C3 is a SMT Real-Time Clock Module that incorporates an integrated CMOS circuit together with an XTAL.

It operates under vacuum in a hermetically sealed ceramic package with metal lid.

Key Features

  • Low power consumption: 210 nA @ 3 V. Wide operating voltage range: 0.9 V to 5.5 V. Time accuracy: ±20 ppm @ 25°C. 3.0 V Regulated Output for ML rechargeable batteries (VREG). Level shifter for peripherals (VIO). User programmable offset value. Automatic Backup switchover function and VBAT monitoring. Provides year, month, date, weekday, hours, minutes and seconds. Time Update and Alarm functions. Clock output frequency: 32.768 kHz. I2C-bus interface: 400 kHz. 100% Pb-free, RoHS-compliant. Automo.

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