Quantum Rubidium MAC Family Exceeds Wireless LTE Base Station and Mission-critical Defense Infrastructure Holdover Requirements

ALISO VIEJO, Calif., April 2, 2015 — (PRNewswire) —  Microsemi Corporation (Nasdaq: MSCC), a leading provider of semiconductor solutions differentiated by power, security, reliability and performance, today announced the availability of its enhanced Quantum™ Rubidium Miniature Atomic Clock (MAC) SA.3X family. As one of the industry's smallest, lightest and highest-performing MACs, the enhanced Quantum MAC SA.3X family is based on Microsemi's exclusive coherent population trapping (CPT) technology, leveraging its 40-plus years of timing solution leadership. The MAC SA.3X family meets all traditional, broad market frequency reference application needs.

Featuring excellent mechanical robustness and temperature performance, the Microsemi Quantum Rubidium MAC SA.3X family is only 25 percent of the volume of the nearest competing clock in the same category. This small size, combined with its very low power consumption, makes the SA.3x series ideal for a broad variety of platforms that mount directly on printed circuit board assemblies (PCBA), eliminating the need for a heat sink or fan.

"Microsemi has a history of investing in low power atomic clock technology, which has resulted in innovative timing solutions capable of solving challenging technical issues in such key vertical markets as communications and defense," said Ramki Ramakrishnan, director of product management at Microsemi. "We designed the Quantum MAC SA.3X family specifically to meet essential frequency accuracy and stability requirements in applications that include wireless base stations, wire line network infrastructure, defense systems and test and measurement instruments. These types of systems can benefit from the low-power Quantum MAC SA. 3X that provides the ability to operate across a wide range of temperatures."

The Quantum Rubidium MAC family delivers superior holdover accuracy over extended time periods, exceeding all wireless LTE base station and mission-critical defense infrastructure requirements. The MAC SA.3x will meet the LTE holdover requirements for several days, a significant feature. This innovative capability far exceeds conventional quartz-based oscillators, which only meet holdover requirements for a few hours at most. This critical difference results in an improved mitigation solution during periods of GNSS vulnerabilities caused by jamming and outage.

According to industry market research and internal analysis, the market for high performance oscillators is estimated to be around $470 million in 2015, and quantum rubidium MAC technology helps Microsemi to access this growing market.

Microsemi's Quantum MAC SA.3X Family Features:

• One of the smallest rubidium clocks on the market
  • Compact design 51 x 51 x 18 mm (2.0 x 2.0 x 0.7 in)
• Lower power than traditional rubidium clocks
  • 5 watts (W) at 25 degrees C (14 W max during warmup)
• Superior atomic clock performance
  • Monthly aging <1E-10
  • 1 Sec ADEV <3E-11
  • Rapid operational stability after turn-on
• Exclusive CPT technology does not use a lamp, utilizing a laser that needs hundredths of watts (milliwatts) versus the traditional rubidium lamp, which consumes power in watts. This CPT technology does not require a microwave resonator, also allowing for a smaller size than traditional rubidium which requires a resonant cell.
• The MAC is PC board mountable without the need for a heat sink or fan.

Availability
The enhanced Quantum MAC SA.3X series is available now. For more information, visit http://www.microsemi.com/products/timing-synchronization-systems/embedded-timing-solutions/components/sa-31m-sa-33m-amp-sa-35m or contact Microsemi at Email Contact.

About Microsemi

Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for communications, defense & security, aerospace and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world's standard for time; voice processing devices; RF solutions; discrete components; security technologies and scalable anti-tamper products; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services. Microsemi is headquartered in Aliso Viejo, Calif., and has approximately 3,400 employees globally. Learn more at www.microsemi.com.

Microsemi and the Microsemi logo are registered trademarks or service marks of Microsemi Corporation and/or its affiliates. Third-party trademarks and service marks mentioned herein are the property of their respective owners.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995: Any statements set forth in this news release that are not entirely historical and factual in nature, including without limitation statements related to its enhanced Quantum Rubidium Miniature Atomic Clock (MAC) SA.3X family, and its potential effects on future business, are forward-looking statements. These forward-looking statements are based on our current expectations and are inherently subject to risks and uncertainties that could cause actual results to differ materially from those expressed in the forward-looking statements. The potential risks and uncertainties include, but are not limited to, such factors as rapidly changing technology and product obsolescence, potential cost increases, variations in customer order preferences, weakness or competitive pricing environment of the marketplace, uncertain demand for and acceptance of the company's products, adverse circumstances in any of our end markets, results of in-process or planned development or marketing and promotional campaigns, difficulties foreseeing future demand, potential non-realization of expected orders or non-realization of backlog, product returns, product liability, and other potential unexpected business and economic conditions or adverse changes in current or expected industry conditions, difficulties and costs of protecting patents and other proprietary rights, inventory obsolescence and difficulties regarding customer qualification of products. In addition to these factors and any other factors mentioned elsewhere in this news release, the reader should refer as well to the factors, uncertainties or risks identified in the company's most recent Form 10-K and all subsequent Form 10-Q reports filed by Microsemi with the SEC. Additional risk factors may be identified from time to time in Microsemi's future filings. The forward-looking statements included in this release speak only as of the date hereof, and Microsemi does not undertake any obligation to update these forward-looking statements to reflect subsequent events or circumstances.

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SOURCE Microsemi Corporation

Contact:

Microsemi Corporation Farhad Mafie, VP Worldwide Product Marketing, 949.380.6161 Beth P. Quezada, Communications Manager, 949.380.6102, Email: Email Contact Web: http://www.microsemi.com