EM1537 Datasheet - EM Microelectronic

EM1537 Low-Power CMOS

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. 100 nA in a wide voltage range of 1.2 to 3.6 Volt. The IC is available in two vol.

EM1537 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 chopping is programmable in a wide range by metal mask and don’t require additional bonds.

* Full

EM1537-EMMicroelectronic.pdf