Patent ID: 8140372

Claim:
A method comprising: using at least one computing device to obtain production demand values for semiconductor devices by performing actions, including: obtaining a daily going rate (DGR) demand for semiconductor devices that must be available to a customer at a predetermined time, wherein the DGR demand includes: a daily going rate (DGR) exit demand including a first portion of the available semiconductor devices that must be available to the customer at the predetermined time; and a daily going rate (DGR) reserve demand including a second portion of the available semiconductor devices that must be available to the customer at the predetermined time, the second portion of the available semiconductor devices reserved for the customer at the predetermined time; obtaining a historic service demand including a customer planned inventory consumption based on a customer need determined prior to the predetermined time, wherein the customer planned inventory consumption is determined independent of the DGR demand; generating a first planning production model based upon the DGR exit demand and the DGR reserve demand, exclusive of the service demand; determining an initial production plan for fulfilling the DGR demand based upon the first planning production model; generating a second planning production model based upon the DGR exit demand and the historic service demand; and determining a final production plan based upon the second planning production model and the initial production plan, wherein each planning production model generation includes implementing a linear programming model.