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National Semiconductor Creates New Part Number Prefix for High-Definition Serial Digital Interface Products

Apr 5, 2006

April 5, 2006 – National Semiconductor Corporation (NYSE:NSM) announced today that it has introduced a new part number prefix “LMH0” for four existing high-definition serial digital interface (SDI) products and all new SDI products.  The new “LMH0” prefix replaces the former “CLC” prefix on the following four high-definition products:

 Former Part Number  New Part Number    Effective Date
 CLC002   LMH0002  February 28, 2006
 CLC031A  LMH0031  February 28, 2006
 CLC034  LMH0034  April 30, 2006
 CLC030  LMH0030  2nd Quarter Calendar 2006

In addition, the renamed LMH0034 and LMH0030 will feature enhanced performance.  The LMH0034 will include increased launch amplitude voltage with the carrier-detect feature enabled and the LMH0030 will feature further reduced output jitter.

There is no change to packaging and all the products listed above are backward compatible with their “CLC” counterparts.

The four high-definition SDI products above are the only National products that will have the “CLC” prefix change.  Other National products with the “CLC” prefix will not be changed.  All new SDI products will use the “LMH0” prefix.

The change in prefix ensures that the part numbers for National’s high-definition SDI product family are consistent.

About National’s Interface Products
National Semiconductor, the LVDS technology innovator and market leader, offers a wide range of interconnect solutions that transfer high-speed digital signals using world-class analog technology.  These solutions help system designers develop high-performance applications in a variety of markets, including communication and industrial systems.  The products feature high reliability, low power and low noise, and dramatic systems savings in cable and connector costs.  National Semiconductor is the world’s largest supplier of high-speed LVDS products, according to Databean’s 2005 Analog IC Market Share survey.

About National Semiconductor
National Semiconductor, the industry's premier analog company, creates high-value analog devices and subsystems.  National's leading-edge products include power management circuits, display drivers, audio and operational amplifiers, communication interface products and data conversion solutions.  National's key markets include wireless handsets, displays and a variety of broad electronics markets, including medical, automotive, industrial, and test and measurement applications.  Headquartered in Santa Clara, California, National reported sales of $1.91 billion for fiscal 2005, which ended May 29, 2005.  Additional company and product information is available at www.national.com.