DS3234SN#T&R-ANALOG DEVICES-RTC IC, Date Time Format (Day/Date/Month/Year hh:mm:ss), SPI, 2 V to 5.5 V supply, SOIC-20


In stock

SKU: R111119
  2. IC Interface Type: SPI
  3. Clock IC Type: RTC
  4. No. of Pins: 20
  5. Package/Case: SOIC
  6. Supply Voltage Range: 2V to 5.5V

 784.00 (Incl. GST)

In stock

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Category: Clock & Timing IC

The DS3234SN#T&R is an extremely accurate SPI bus RTC with integrated crystal and SRAM in a 20 20-pin SOIC package. It is a low-cost, extremely accurate SPI bus RTC with an integrated TCXO and crystal. It incorporates a precision, temperature-compensated voltage reference, and comparator circuit to monitor VCC. The integration of crystal resonators enhances the long-term accuracy of the device. The DS3234 also integrates 256 bytes of battery-backed SRAM. The RTC 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 a 24/12-hour format with an AM/PM indicator. 2 programmable time-of-day alarms and a programmable square-wave output are provided. Address and data are transferred serially by an SPI bidirectional bus. It is used in servers, telematics, utility power meters, and GPS.


  1. Highly accurate RTC with integrated crystal and SRAM manages all timekeeping functions
  2. Accuracy of ±3.5ppm
  3. Digital temperature sensor output is ±3°C accuracy
  4. Register for aging trim, RST (active low) input/output
  5. A simple serial interface connects to most microcontrollers
  6. 4MHz SPI Bus supports modes 1 and 3
  7. Battery-backup input for continuous timekeeping, low power operation extends battery backup time
  8. Underwriters Laboratories® (UL) recognized

Package Includes:

1 x DS3234SN#T&R-ANALOG DEVICES-RTC IC, Date Time Format (Day/Date/Month/Year hh:mm: ss), SPI, 2 V to 5.5 V supply, SOIC-20

SKU: R111119 Category:


IC Interface Type


Clock IC Type


No. of Pins


Case / Package:


Supply Voltage Range

2V to 5.5V

Operating Temperature (°C)

-40 to 85

Shipping Weight 0.005 kg
Shipping Dimensions 5 × 5 × 1 cm
1 Year Warranty

This item is covered with a supplier warranty of 1 year from the time of delivery against manufacturing defects only. In case of manufacturing defects or issues, we will replace the part after warranty confirmation by our technical team, but we won’t offer refunds or replace the entire product.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China