PCA1623 Overview
PCA16xx series Stop function for accurate timing Power-on reset for fast testing Various test modes for testing the mechanical parts of the watch and the IC. GENERAL DESCRIPTION The PCA16xx series devices are CMOS integrated circuits specially suited for battery-operated, quartz-crystal-controlled wrist-watches, with bipolar stepping motors. VERSION − SOT144-1 − − − − − − − − − − − − − − − − − −.
PCA1623 Key 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 ponent required
- Very low current consumption; typically 170 nA
- Detector for silver-oxide or lithium battery voltage levels
- chip on foil plastic micro flat package; 8 leads (straight) chip with bumps on tape chip in tray chip on foil chip with b
- Stop function for accurate timing
- Power-on reset for fast testing
- Various test modes for testing the mechanical parts of the watch and the IC. GENERAL DESCRIPTION The PCA16xx series devi