PCF2127A Datasheet | NXP Semiconductors

.. Integrated RTC, TCXO and quartz crystal Rev. 02 - 7 May 2010 Product data sheet 1. General description The PCF2127A is a CMOS1 Real Time Clock (RTC) and calendar with an integrated Temperature pensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz crystal optimized for very high accuracy and very low power consumption. The PCF2127A has 512 bytes of general purpose static RAM, a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a programmable watchdog function, a timestamp function, and many other Features . 2. Features and benefits - - - - - - Temperature pensated Crystal Oscillator (TCXO) with integrated capacitors Typical...