PCF2128 - Integrated RTC/TCXO/Crystal

NXP Semiconductors

Datasheet Details

The PCF2128 is a ready to run CMOS real time clock/calendar with an integrated temperature compensated crystal oscillator (TCXO).

512 bytes of general purpose RAM, a programmable watchdog, a time stamp facility and a voltage monitoring facility. Programming is possible using either an SPI or an I2C-bus interface. 2. Features.
Integration of a 32.768 kHz quartz crystal in the same package as the RTC.
temperature compensated crystal oscillator (TCXO) with integrated capacitors.
accuracy: typically 3 ppm from.
20 °C to +70 °C, typically 5 ppm from.
40 °C to +85 °C.
provides.

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Published: Mar 13, 2010 |