PCA2129 Datasheet - NXP

PCA2129 Automotive accurate RTC

The PCA2129 is a CMOS1 Real Time Clock (RTC) and calendar with an integrated Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz crystal optimized for very high accuracy and very low power consumption. The PCA2129 has a selectable I2C-bus or SPI-bus, a backup battery swi.

PCA2129 Features

* UL Recognized Component (PCA2129T/Q900/2 )

* AEC-Q100 compliant for automotive applications

* Operating temperature range from -40 °C to +85 °C

* Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors

* Typical accuracy: ±3 ppm from -30

PCA2129-NXP.pdf