National Semiconductor Introduces the Industry's Highest Performance LVDS 4x4 Crosspoint Switch

Power-Efficient Crosspoint Delivers Unparalleled 10 ps Jitter Performance for Telecom, Video Routing, and ATE Applications at Data Rates Up to 3.125 Gbps

SANTA CLARA, Calif., Sept. 4 /PRNewswire-FirstCall/ -- A new low-voltage differential signaling (LVDS) 4 x 4 crosspoint switch from National Semiconductor Corporation (NYSE: NSM) delivers the industry's best jitter performance (10 ps typical) at data transmission rates up to 3.125 Gbps. The DS25CP104 is well-suited for clock and data switching/routing in telecom, professional video, storage and automated test equipment (ATE) applications. The low-power LVDS device's superior jitter and signal conditioning performance enables OEMs to use less costly cable, connectors and components. National will demonstrate the DS25CP104 at the International Broadcasters Conference (IBC) in Amsterdam from September 7-11 at Hall 11, Booth # 441.

The DS25CP104 offers a feature set to enhance signal integrity in demanding applications such as XAUI (telecom) and SMPTE 424M (pro video). For example, the product consumes only 122 mW per channel while boosting and equalizing field-programmable gate array (FPGA) or applications-specific integrated circuit (ASIC) signals over cables and FR-4 backplanes. The device inputs have a wide common-mode voltage range that allows it to accept low-voltage positive-emitter-coupled logic (LVPECL), current-mode logic (CML) and LVDS signal levels without using coupling capacitors. The system designer has maximum flexibility configuring the DS25CP104 with external pin control or a serial System Management (SM) Bus. The crosspoint also features 8 kV electrostatic discharge (ESD) protection and 100 Ohm termination on the LVDS input and output pins to minimize insertion losses, component count and board space.

National also is introducing the DS10CP154, a lower-speed, lower-power 4 x 4 crosspoint switch targeted at applications up to 1.5 Gbps, that includes many of the same features as the DS25CP104.

About National's Interface Portfolio

National Semiconductor, the LVDS and CML 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, as well as 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 2006 Analog IC Market Share survey. For more information on National's interface products, visit

Pricing and Availability

The DS25CP104 (3.125 Gbps) and lower power DS10CP154 (1.5 Gbps) are available now in 40-pin LLP(R) packages and are priced at $8.75 and $4.75, respectively, each in 1,000-unit quantities. For more information on the DS25CP104 or to order samples and an evaluation board, visit For more information on the DS10CP154 or to order samples and an evaluation board, visit

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, interface products and data conversion solutions. National's key analog markets include wireless handsets, displays, communications infrastructure, medical, automotive, industrial, and test and measurement applications. Headquartered in Santa Clara, Calif., National reported sales of $1.93 billion for fiscal 2007, which ended May 27, 2007. Additional company and product information is available at

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