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New controller supports RSDS digital interface

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PHILIPS Electronics has launched the SAA6740 LCD controller, a new addition to its family of advanced thin film transistor (TFT)-LCD controller semiconductors, integrating a power-saving, low-noise reduced swing differential signal (RSDS) panel interface on the chip for building cost-effective LCD monitors.

As a result, the SAA6740 reduces bus interconnects, power usage, electro magnetic interference (EMI), and cuts overall system cost when compared to traditional transistor-transistor logic (TTL) flat panels.

In addition to RSDS and TTL output signalling, the Philips controller integrates VGA and DVI inputs and a timing controller. The SAA6740 allows design engineers to improve text readability and picture quality while reducing EMI and overall system cost.

To further reduce cost, Asian design engineers can incorporate all of these features on to a two-layer printed circuit board (PCB) design, as opposed to the more expensive four-layer PCB used in previous LCD systems.

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