PCF2129A - Integrated RTC TCXO and quartz crystal

NXP Semiconductors

Datasheet Details

Part number	PCF2129A
Manufacturer	NXP Semiconductors
File Size	552.65 KB
Description	Integrated RTC TCXO and quartz crystal
Datasheet	PCF2129A Datasheet

General Description

The PCF2129A is a CMOS1 real time clock 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 PCF2129A has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a programmable watchdog function, a timestamp function, and many other

Overview

PCF2129A Integrated RTC, TCXO and quartz crystal Rev.

01 — 13 January 2010 www.DataSheet4U.com Product data sheet 1.

Key Features

2. Features.
Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors 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 Timestamp function with interrupt capability detection of two different events on one multilevel input pin (e. g. for tamper detection) Two line bidirectional 1 MHz Fa.

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