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August 9, 2009

Texas Instruments rolls out new LVDS serializer

Compatible with numerous embedded processors

By CBR Staff Writer

Texas Instruments has introduced the LVDS serializer that connects directly to 1.8-V powered processors. The company claimed that using its FlatLink technology, the SN75LVDS83B eliminates the need for a level shifter when using 1.8-V and 2.5-V logic interfaces, reducing board space by up to 83%.

The SN75LVDS83B FlatLink transmitter is expected to support 8-bit colour and serialises RGB data. It then consolidates 24 data lines into one LVDS clock and four LVDS data pairs, which connect to LCD modules.

The company said that the new offering also supports applications such as netbooks, mobile internet devices, digital picture frames and others where an LVDS link from a processor to the LCD module is required. It also supports pixel frequency range from 10MHz up to high-definition (HD) screen resolutions of 135MHz.

The device is said to be compatible with numerous processors, including OMAP35x applications processors and digital media processors based on its DaVinci technology.

Some of the additional features of the new offering include: connecting directly to any TTL level from 1.8V to 3.3V, eliminating the need for additional components; and 135MHz pixel clock supporting HD screen resolutions, the company noted.

The new offering reportedly contains four 7-bit parallel-load serial-out shift registers, a 7X clock synthesizer, and five Low-Voltage Differential Signaling (LVDS) line drivers in a single integrated circuit. These functions allow 28 bits of single-ended LVTTL data to be transmitted over five balanced-pair conductors for receipt by a compatible receiver, such as the SN75LVDS82 and LCD panels with integrated LVDS receiver.

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