DS1982/5/6U UniqueWare iButtonTM www.dalsemi.com .
DS1986U - (DS1982U - DS1986U) Uniqueware Ibutton
DS1985U - (DS1982U - DS1986U) Uniqueware Ibutton
DS1982U - (DS1982U - DS1986U) Uniqueware Ibutton