Intersil's ( ISIL) first-quarter earnings and revenue rose from a year ago, as the semiconductor maker reaped steady gains from across its product lines. The company earned $27.3 million, or 20 cents a share, in the latest quarter, compared with $13.7 million, or 10 cents a share, last year. The latest quarter included earnings from discontinued operations of $4.2 million, or 3 cents a share. Revenue rose 19% to $137.4 million. With pro forma earnings excluding special items and expenses, the company earned $26.4 million, or 19 cents a share, in the latest quarter. Analysts surveyed by Thomson First Call were forecasting earnings of 19 cents on revenue of $137.6 million in the quarter. The company said the high-end consumer market made up 20% of its first-quarter sales, while computing made up 26%, communications made up 27% and industrial markets made up 27%. The company generated over $28 million in cash flow from operations and ended the quarter with $963 million in cash and marketable investments. For the second quarter, Intersil expects to earn 20 cents on a 4% to 6% jump in revenue. Analysts were forecasting 20 cents a share. The shares were recently down 79 cents, or 3.6%, to $21.31 on the Instinet after-hours session.