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MAXIM INTEGRATED / ANALOG DEVICES DS1302 Real-Time Clock

The DS1302 is a real-time clock and calendar chip featuring 31 bytes of static RAM and a trickle-charge circuit for backup power. It communicates with a microcontroller via a simple three-wire serial interface and supports both 12-hour and 24-hour formats with an AM/PM indicator. The clock provides time and date information, including seconds, minutes, hours, day, date, month, and year, with automatic adjustments for months with fewer than 31 days and leap years, valid up to the year 2100. It also includes battery-backed general-purpose RAM and supports both single-byte and burst mode data transfers. Designed for TTL compatibility with a 5V supply, it is suitable for various timing and data logging applications.

Authorized Distributors
Source:Newark
Part No:DS1302+
Stock:845
Inv Date:06-05-2026
Price: Unit price: $6.54
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Source:DigiKey
Part No:DS1302+
Stock:1328
Inv Date:06-05-2026
Price: Unit price: $6.96
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Part No:DS1302+
Stock:384
Inv Date:06-06-2026
Price: Unit price: $6.53
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Part No:DS1302
Stock:0
Inv Date:06-06-2026
Price: N/A
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MAXIM INTEGRATED / ANALOG DEVICES DS1302 Real-Time Clock Specifications:

  • Real-time clock/calendar: seconds, minutes, hours, day, date, month, year
  • Automatic month and leap year adjustment, valid up to 2100
  • Memory: 31 bytes static RAM, battery-backed
  • Interface: 3-wire serial (CE, I/O, SCLK), supports burst mode
  • Operation voltage: 2.0V to 5.5V, TTL-compatible
  • Low power consumption: less than 300nA at 2.0V backup
  • Package options: 8-pin DIP, 8-pin SO (various volt and temperature ranges)
  • Operating temperature: -40°C to +85°C (industrial grade)
  • UL Recognized for safety and reliability
  • Supports both 12-hour (with AM/PM) and 24-hour formats
  • Automatic adjustment for months with fewer days

Buy the Maxim Series DS1302 Real-Time Clock: DS1302

Order the Maxim DS1302 online today to ensure accurate time and date logging for your applications. With low power consumption, easy three-wire serial interface, and reliable backup via trickle-charge, the DS1302 is perfect for data logging, automation, and timing solutions. Its support for both 12-hour and 24-hour formats, automatic leap-year correction, and wide temperature range make it suitable for industrial and consumer devices. Purchase now and keep your systems synchronized with this dependable, easy-to-integrate clock chip.

Get Maxim DS1302 today—built for precise timekeeping, low power operation, and reliable backup in all your timing projects.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES DS1302?

You can click on the BUY or RFQ button to purchase DS1302 from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part DS1302?

You can download the DS1302 datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of DS1302?

MAXIM INTEGRATED / ANALOG DEVICES

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