PORTLAND, Ore.--(BUSINESS WIRE)--Lattice Semiconductor Corporation (NASDAQ:LSCC) today announced that it will hold a conference call on May 4, 2015 to discuss the Company’s financial results for the first quarter 2015 and business outlook for the second quarter 2015. The dial-in number for the live audio call beginning on Monday, May 4, 2015 at 5:00 p.m. Eastern Time is 1-888-286-6281 or 1-706-643-3761 with conference identification number 23028933. A live webcast of the conference call will al