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
1.
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.
PCA1673_PhilipsSemiconductors.pdf
