When you think of profitable semiconductor categories, what comes to your mind? In a good year, NAND and DRAM can be very profitable. Considering Intel's size and position in the market, Micro Logic would be another good guess. But the smart money goes to the Analog market for long-term, stable profitability. The analog segment is the subject of a new study just released by Semico Research Corp., Analog Market Trends: Fourth Quarter 2011.