Part number:
PCA2002
Manufacturer:
File Size:
342.75 KB
Description:
Cmos.
PCA2002, CMOS
The PCA2002 is a CMOS1 integrated circuit for battery operated wrist watches with a 32 kHz quartz crystal as the timing element and a bipolar stepping motor.
The quartz crystal oscillator and the frequency divider are optimized for minimum current consumption.
A timing accuracy of 1 ppm is achieved
PCA2002 Features
* Amplitude-regulated 32 kHz quartz crystal oscillator, with excellent frequency stability and high immunity to leakage currents
* Electrically programmable time calibration with 1 ppm resolution stored in One Time Programmable (OTP) memory
* The quartz crystal is the only external compo
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