Chimicron is an independent distributor of electronic components. We have reliable sources of electronic components, only sell new & original products and offer 1 year warranty for our products. Buy the DS2490S Maxim Integrated at chimicron.com. We have 400 pieces of DS2490S in stock available now. Submit an inquiry for DS2490S or send an email to [email protected], we will contact you in 24 hours.