INTEGRATED CIRCUITS DATA SHEET PCA16xx series 32 kHz watch circuits with EEPROM Product specification Supersedes data of 1997 Apr 21 File under Integrated Circuits, IC16 1997 Dec 12 Philips Semiconductors Product specification 32 kHz watch circuits with EEPROM 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 • Very low current consumption; typically 170 nA • Detector for silver-oxide or lithium battery voltage levels • Indication for battery end-of-life ORDERING INFO...

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