The ISL12020M device is a low power real time clock (RTC) with an embedded temperature sensor and crystal. Device functions include oscillator compensation, clock/calendar, power fail and low battery monitors, brownout indicator, one-time, periodic or polled alarms, intelligent battery backup switching, Battery Reseal™ function and 128 bytes of battery-backed user SRAM. The device is offered in a 20 Ld DFN module that contains the RTC and an embedded 32.768kHz quartz crystal. The calibrated oscillator provides less than ±5ppm drift over the full -40°C to +85°C temperature range.

Features

• Embedded 32.768kHz Quartz Crystal in the Package

• 20 Ld DFN Package (for SOIC version, refer to the ISL12022M)

• Calendar

• On-chip Oscillator Temperature Compensation

• 10-bit Digital Temperature Sensor Output

• 15 Selectable Frequency Outputs

• Interrupt for Alarm or 15 Selectable Frequency Outputs

• Automatic Backup to Battery or Supercapacitor

• VDD and Battery Status Monitors

• Battery Reseal™ Function to Extend Battery Shelf Life

• Power Status Brownout Monitor

• Time Stamp for Battery Switchover

• 128 Bytes Battery-Backed User SRAM

• I2C-Bus™

Applications*(see page 31)

• Utility Meters

• POS Equipment

• Printers and Copiers

• Digital Cameras

参考价格：21.3354

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