# Real Time Clock - DS3234

**Type:** Product page · **SKU:** COM-10079 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/real-time-clock-ds3234.html ([markdown](https://core-electronics.com.au/real-time-clock-ds3234.html.md))

## Retired product

This product is retired and no longer available for purchase. Search the catalogue for an alternative.

## Description

RTC stands for real time clock folks. The DS3234 is a low-cost, extremely accurate SPI bus RTC with an integrated temperature compensated crystal oscillator (TCXO) and crystal.

 And yes, a breakout board is coming soon.

**Features:**

- Battery Backup Input for Continuous Timekeeping
- High-precision (±2ppm)
- Operating Temperature Range 0°C to +70°C
- Low-Power Consumption
- Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2099
- Two Time-of-Day Alarms
- Programmable Square-Wave Output
- 4MHz SPI Bus Supports Modes 1 and 3
- Digital Temp Sensor Output: ±3°C Accuracy
- Register for Aging Trim
- Active-Low RST Input/Output
- 300-Mil, 20-Pin SO Package
 
**Documents:**

- Datasheet

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/r/e/real_time_clock_-_ds3234__com-10079__01.jpg)