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DS1305 - Serial Alarm Real-Time Clock

Key Features

  • Completely Manages All Timekeeping Functions o Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 o 96-Byte, Battery-Backed NV RAM for Data Storage o Two Time-Of-Day Alarms, Programmable on Combination of Seconds, Minutes, Hours, and Day of the Week.
  • Standard Serial Port Interfaces with Most Microcontrollers o Supports SPI (Serial Peripheral Interface) Modes 1 and 3 or Standard.

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Other Datasheets by Maxim Integrated (now Analog Devices)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DS1305 Serial Alarm Real-Time Clock BENEFITS AND FEATURES • Completely Manages All Timekeeping Functions o Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 o 96-Byte, Battery-Backed NV RAM for Data Storage o Two Time-Of-Day Alarms, Programmable on Combination of Seconds, Minutes, Hours, and Day of the Week • Standard Serial Port Interfaces with Most Microcontrollers o Supports SPI (Serial Peripheral Interface) Modes 1 and 3 or Standard 3-Wire Interface o Burst Mode for Reading/Writing Successive Addresses in Clock/RAM • Multiple Power Supply Pins Ease Adding Battery For Backup o Dual-Power Supply Pins for Primary and Backup Power Supplies o Optional Trickle Charge Output to Backup Supply