Silicon Labs (NASDAQ: SLAB), a leader in high-performance, analog-intensive, mixed-signal integrated circuits (ICs), today reported results for its second quarter ended June 29, 2013. Overall revenue in the second quarter was $141.5 million, an increase of 4.3 percent compared with the same period a year ago and down 2.6 percent sequentially.
On a GAAP basis, gross margins were 62.7 percent, a sequential improvement resulting from a shift in the product mix favoring timing devices. GAAP R&D investment was stable on a sequential basis and increased year over year to $37.4 million. GAAP SG&A expenses increased both sequentially and year over year to $32.4 million. Resulting GAAP operating income as a percentage of revenue decreased sequentially and increased year over year to 13.4 percent. GAAP diluted earnings per share were $0.29, down 37 percent sequentially due primarily to acquisition-related items and income taxes and also down 38 percent year over year.
The non-GAAP results exclude the impact of stock compensation and certain other items as set forth in the reconciliation table below. Non-GAAP gross margins increased sequentially to 62.9 percent. On a non-GAAP basis, R&D increased slightly to $33.6 million, and SG&A decreased to $27.3 million. Non-GAAP operating income in the quarter was 19.9 percent. Non-GAAP diluted earnings per share in the quarter were $0.50, down slightly compared with the second quarter of 2012.Business Highlights On July 1, the company closed its acquisition of Energy Micro, a leader in energy-friendly ARM® Cortex™-M based microcontrollers (MCUs) and radios. Adding to Silicon Labs’ already strong MCU, radio and software solutions, this strategic acquisition accelerates growth opportunities and positions the company as the foremost innovator in embedded solutions for the growing Internet of Things and green energy markets. In the Broad-based business, revenue and gross margin results were particularly strong from timing devices. The recently introduced Si50x CMEMS® oscillator product family, featuring the industry’s first single-die MEMS oscillator solution and designed to replace crystal oscillators in high-volume applications, is expected to begin generating significant revenue in 2014.
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