m41t81sm6f i c rtc with battery switchover

{"cid":"91149516","title":"M41T81SM6F Serial I\u00b2C RTC with Battery Switchover 200ns Time-Keeping Low 400nA Current 2.5-5.5V Operation Industrial -40\u00b0C to +85\u00b0C 8-DIP Package Integrated Oscillator & Square Wave Output","imgUrl":"https:\/\/img.chinax.com\/nimg\/70\/d6\/7cdd573e66aae6309625fceee5b6-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"STMicroelectronics","Model Number":"M41T81SM6F","Minimum Order Quantity":"1","Delivery Time":"3-5 working days after received the payment","Certification":"CE, GCF, ROHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union,","Supply Ability":"1000pcs per month","Packaging Details":"Packed in original tray firstly ,then carton, at last Bubble bag for outer packing","Function":"Step-Up, Step-Down","Output Configuration":"Positive or Negative","Topology":"Buck, Boost","Output Type":"Adjustable","Number of Outputs":"1"}}