ah ok, so next time in the electronic shop I'll chose the component with the shop owner 
thank you for your help !!
last question 
Would you have advices about a website to find good datasheets (as the one you find for ds1813-10) ?
ah ok, so next time in the electronic shop I'll chose the component with the shop owner
thank you for your help !!
last question Would you have advices about a website to find good datasheets (as the one you find for ds1813-10) ?