PCF2127 Datasheet (NXP)

PCF2127, Accurate RTC

The PCF2127 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 PCF2127 has 512 bytes of general-purpose static RAM, a selectable

PCF2127 Features

* UL Recognized Component

* Operating temperature range from 40 C to +85 C

* Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors

* Typical accuracy:

* PCF2127AT: 3 ppm from 15 C to +60 C

* PCF2127T: 3 ppm from 30 C to +80 C

* Integratio