Seiko Instruments Inc.

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Micro Energy

MICRO ENERGY

MICRO ENERGY

RTC backup

Backup of clock function with portable equipment etc.

▶︎ RTC backup
▶︎ MS Lithium Rechargeable Battery MS614SE

▶︎ CMOS real time clock IC S-35390A
 　Clock operating voltage: 1.3 to 5.5V, current consumption: 0.25μA

▶︎ Quartz Crystal low CL resonator SSP-T7-FL
　 CL=6.0pF, R1=65kΩ max.

Example of a recommended application circuit: for RTC backup

2019RTC_circiut_for_Website

* This circuit diagram is a reference example. See the data sheet of each product before using it.

Example of RTC backup time, using MS414GE / MS614SE

2019Discharge_chart_for_Website

* This graph is a rough indication. The operating time varies depending on the actual service conditions.

 

Please contact us for more details.

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