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EDITOR CONTACT:
Sherry Hill
Telephone: 408-542-1080
Fax: 408-542-1200
Email: Sherry.Hill@catsemi.com
 

News Article January 17, 2008

New 8-Channel, Constant-Current LED Driver from Catalyst Semiconductor Targets Large LED Video Displays

CAT4008 expands Catalyst’s line of LED drivers for large LED video and other indoor/outdoor displays

SANTA CLARA, Calif.--January 17, 2008--Catalyst Semiconductor, Inc. (NASDAQ:CATS) a supplier of analog, mixed-signal and non-volatile memory semiconductors, has expanded its recently introduced family of large LED video display drivers with the new CAT4008, an 8-channel, constant-current sink LED driver for billboard, marquee, instrument and other large, general-purpose LED displays. The CAT4008 joins Catalyst’s CAT4016, 16-channel, constant-current LED driver introduced in October 2007.

The CAT4008 LED channels can operate with an output voltage on the LED pins as low as 0.4V (for 2mA to 100mA LED current), to enable more power-efficient designs. The nominal LED current is set by an external resistor. A high-speed, 4-wire serial interface with up to 25MHz clock frequency, controls each of the 8 channels using a shift register and latch configuration. A serial output data pin allows multiple devices to be cascaded and programmed via one serial interface. The CAT4008 features a blanking control pin (BLANK), which can be used to disable all channels independently of the interface. Additionally, on-chip thermal shutdown protection disables the LED outputs if the die temperature exceeds a set limit.

The CAT4008 is available in a 16-lead, 150 mil SOIC package and offers a replacement for popular devices from Macroblock, Toshiba and others.

Product Features
  • 8 constant-current sink channels
  • Serial interface with up to 25MHz clock frequency
  • LED current range from 2mA to 100mA
  • LED current set by external resistor
  • 300mV LED dropout at 30mA
  • Thermal shutdown protection
  • Packaging: 16-lead SOIC, 150 mils
Price and Availability
The CAT4008 LED driver is priced at $0.49 each in 10,000 piece quantities. Samples of the CAT4008 are available now. Projected lead-time for production quantities is currently 6 to 8 weeks ARO.

About Catalyst Semiconductor
Headquartered in Santa Clara, California, Catalyst Semiconductor designs and markets analog, mixed-signal and non-volatile memory products, including Digitally Programmable Potentiometers (DPP™), white and color LED drivers, DC/DC converters, LDO regulators, voltage supervisors, bus expanders, serial and parallel EEPROMs, Flash and NVRAM. Many of Catalyst’s products incorporate the Company’s Quantum Charge Programmable™ technology, to deliver Adaptive Analog™ products, which offer a new level of customer flexibility, lower power and smaller die size. Catalyst products are used in telecommunications, computer, automotive, industrial and consumer markets. Typical applications include LCD displays, automotive lighting, optical networks, printers, modems, wireless LANs, network cards, DIMM modules, cellular telephones, navigation systems, set-top boxes and Internet routers. www.catsemi.com

Forward-Looking Statements
There may be forward-looking statements in this press release, which are subject to risks and uncertainties, including statements about Catalyst Semiconductor’s LED driver products lead times and availability. Many factors can affect product availability and lead times. These include, but are not limited to issues regarding the supply of materials or other interruptions in our manufacturing processes, or those of our foundries and other vendors; the cyclical nature of the semiconductor industry; and variable market demand. More information about factors that could cause actual results to differ materially from those in the forward-looking statements is contained in Catalyst’s SEC reports including, but not limited to, Catalyst’s Annual Report filed on Form 10-K and Quarterly Reports filed on Form 10-Q. Catalyst disclaims any obligation to update information contained in any forward-looking statement.

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Editor Notes:

  1. Trademark notices: Adaptive Analog™, DPP™, EZDim™, Quad-Mode™ and Quantum Charge Programmable™ are trademarks of Catalyst Semiconductor, Inc.


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