EM1537 Description
The EM1537 is an integrated circuit in a low power CMOS technology for battery-operated wristwatches with bipolar stepping motors. Time base is a 32 kHz crystal oscillator. It has a very low current consumption of typ.
EM1537 Key Features
- Low power 32 kHz Quartz oscillator
- Operating voltage ranges 1.55V and 3 Volt
- Very low current consumption typ. 100 nA at 1.5V
- Motor pulse width motor period and motor pulse
- Fully debounced RESET input for accurate time setting and power saving during shelf life
- Integrated capacitors, mask selectable is steps of 1 pF up to 35 pF
- Operation temperature range: -10°C to +60°C
- Available in chip form, SO8 package