PCA2003 cmos equivalent, cmos.
* Amplitude-regulated 32 kHz quartz crystal oscillator, with excellent frequency stability and high immunity to leakage currents
* Electrically programmable time .
* Driver circuits for bipolar stepping motors
* High immunity motor drive circuits
4. Ordering information
Tabl.
The PCA2003 is a CMOS integrated circuit for battery operated wrist watches with a 32 kHz quartz crystal as timing element and a bipolar 1 Hz stepping motor. The quartz crystal oscillator and the frequency divider are optimized for minimum power cons.
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