Real-time clock ICs
Technical Documents on Designing
- Oscillator frequency calibration with CL=12.5pF crystal and Ricoh RTC IC (47KB)
- Technical Tips to use back up switch over circuit of R2051/61 (73KB)
- Formula adjust binary code for oscillation adjustment resister (xls:33KB)
- RTC Compensation Simulator (xls:242KB)
- User Manual RTC Compensation Simulator (340KB)
- Design Guide for the clock circuit with a crystal and Ricoh RTC IC (94KB)
Relevant Information
Quality Assurance Information
Package Information, Mark Information, Reliability Data
Package Information, Mark Information, Reliability Data
Product Catalog
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Selection guide is available for download in PDF format.
Lead(Pb) Free/ Halogen Free
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All leadfree products comply with RoHS directive. Ricoh Halogen Free products are also Antimony Free.
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