Overview

Features and Benefits

  • RTC Counts Seconds, Minutes, Hours, Day, Date,Month, and Year with Leap-Year Compensation Valid Up to 2100
  • Two Programmable Alarms
  • Programmable Square-Wave Output
  • Operates from a 32.768kHz, 8.192kHz, 60Hz, or 50Hz Digital Clock Signal
  • 16 Bytes of SRAM
  • Fast (400kHz) I²C Interface
  • 1.7V to 5.5V Operation

Product Details

The DS1375 digital real-time clock (RTC) is a low-power clock/calendar that does not require a crystal. The device operates from a digital clock input pin at one of four frequencies: 32.768kHz, 8.192kHz, 60Hz, or 50Hz. It maintains seconds, minutes, hours, day, date, month, and year information. The date at the end of the month is automatically adjusted for months with fewer than 31 days, including corrections for leap year. The clock operates in either the 24-hour or 12-hour format with an AM/PM indicator. Two programmable time-of-day/date alarms, a programmable square-wave output, and 16 bytes of SRAM are provided. Address and data are transferred serially through an I²C bidirectional bus.

Applications

  • Appliances
  • Automotive
  • Consumer Electronics
  • RTC Complement to the DS32kHz TCXO

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Tools & Simulations

IBIS Models

Design Resources

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