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PCF2127A - TCXO and quartz crystal

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.

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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Datasheet Details

Part number PCF2127A
Manufacturer NXP Semiconductors
File Size 611.65 KB
Description TCXO and quartz crystal
Datasheet download datasheet PCF2127A Datasheet
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www.DataSheet4U.com PCF2127A 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 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 features. 2. Features and benefits „ „ „ „ „ „ Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors Typical accuracy: ±3 ppm from −15 °C to +60 °C Integration of a 32.
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