PCA1623

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 INFORMATION TYPE NUMBER PCA1601U/10 PCA1602T PCA1603U/7 PCA1604U PCA1604U/10 PCA1605U/7 PCA1606U/10 PCA1607U PCA1608U PCA1611U PCA1621U/7 PCA1621U/10 PCA1622U PCA1623U/7 PCA1624U PCA1625U/7 PCA1626U PCA1627U/7 PCA1628U PCA1629U/7 Note PACKAGE(1) NAME − PMFP8 − − − − − − − − − − − − − − − − − − chip on foil plastic micro flat package; 8 leads (straight) chip with bumps on tape chip in tray chip on foil chip with bumps on tape chip on foil chip in tray chip in tray chip in tray chip with bumps on tape chip on foil chip in tray chip with bumps on tape chip in tray chip with bumps on tape chip in tray chip with bumps on tape chip in tray chip with bumps on tape DESCRIPTION PCA16xx series Stop function for accurate timing Power-on reset for fast testing Various test modes for testing the mech...