PCF2129T/2,518-NXP-Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm:ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-16


In stock

SKU: R111097
  1. Brand: NXP
  2. IC Interface Type: I2C, SPI
  3. Clock IC Type: Calendar, Clock
  4. No. of Pins: 16
  5. Package/Case: SOIC-16
  6. Supply Voltage Range: 1.8V to 4.2V

 644.00 (Incl. GST)

In stock

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Brand: NXP
Category: Clock & Timing IC

The PCF2129T/2,518 is an accurate RTC with an integrated temperature-compensated crystal (Xtal) oscillator (TCXO) and a 32.768kHz quartz crystal optimized for very high accuracy and very low power consumption. This has a selectable I²C-bus or SPI-bus, a backup battery switch-over circuit, a programmable watchdog function, and a timestamp function.


Metering, Clock & Timing, Automation & Process Control


  1. Timestamp function with interrupt capability
  2. 3 Line SPI-bus with separate data input and output
  3. Battery backup input pin and switch-over circuitry
  4. Oscillator stop detection function
  5. Open-drain interrupt output
  6. Programmable watchdog timer with interrupt

Package Includes:

1 x PCF2129T/2,518-NXP-Calendar, Clock IC, Format (YYYY:MM:WK:DD:hh:mm: ss/Binary), I2C, SPI, 1.8V to 4.2V supply, SOIC-16

SKU: R111097 Category:


IC Interface Type


Clock IC Type

Calendar, Clock

No. of Pins


Case / Package:


Supply Voltage Range

1.8V to 4.2V

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