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PCA1487 CMOS

PCA1487 Description

INTEGRATED CIRCUITS DATA SHEET PCA148x series 32 kHz watch circuits with adaptive motor pulse Product speciļ¬cation Supersedes data of 1998 Mar 26 Fi.
chip with bumps on tape chip with bumps on tape chip on foil chip on foil GENERAL DESCRIPTION PCA148x series. No loss of motor steps possib.

PCA1487 Features

* 32 kHz oscillator, amplitude regulated with excellent frequency stability
* High immunity of the oscillator to leakage currents
* Time calibration electrically programmable and reprogrammable (via EEPROM)
* A quartz crystal is the only external component required

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