PCA1677 Datasheet (PDF) Download
NXP Semiconductors
PCA1677

Key Features

  • 32 kHz oscillator, amplitude regulated with excellent frequency stability
  • High immunity of the oscillator to leakage currents
  • Very low current consumption; typically 150 nA
  • Stop function for accurate timing
  • Chopped motor pulses available
  • Power-on reset for fast testing
  • Various test modes for testing the mechanical parts of the watch and the IC. ORDERING INFORMATION TYPE NUMBER PCA1672U PCA1673U PCA1675U PCA1676U/10 PCA1677U Note PACKAGE(1) NAME - - - - - chip in tray chip in tray chip in tray chip on foil chip in tray DESCRIPTION GENERAL DESCRIPTION PCA167x series The PCA167x series devices are CMOS integrated circuits specially suited for battery-operated, quartz-crystal-controlled wrist-watches, with a bipolar stepping motor. VERSION - - - - -