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PCF2127A Datasheet TCXO and quartz crystal

Manufacturer: NXP Semiconductors

Overview: www.DataSheet4U.com PCF2127A Integrated RTC, TCXO and quartz crystal Rev. 02 — 7 May 2010 Product data sheet 1.

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General Description

The PCF2127A 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 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

Key Features

  • Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors Typical accuracy: ±3 ppm from.
  • 15 °C to +60 °C Integration of a 32.768 kHz quartz crystal and oscillator in the same package Provides year, month, day, weekday, hours, minutes, and seconds 512 bytes of general purpose static RAM Timestamp function ‹ with interrupt capability ‹ detection of two different events on one multilevel input pin (e. g. for tampe.

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