DS90UR241QVS/NOPB

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The DS90UR241QVS/NOPB is a 4-Channel LVDS (Low Voltage Differential Signaling) Deserializer which is used to demultiplex 54 Mbps over differential pairs (50 ohm) back to the 24-bit parallel interfaces. It supports LVDS and RSDS deserialization, and decode 24 SSI (Serializer/Deserializer Interface) parallel data from differential pairs. This serializer-deserializer is from Texas Instruments, and it has a number of applications that directly utilize its capabilities.

Applications

The DS90UR241QVS/NOPB can be used to convert LVDS or RSDS digital video streams into 24-bit wide digital RGB(Red, Green, Blue) video streams. This device is ideal for video applications such as digital cameras for example. It can also be used for digital video (DVI) DisplayPort applications as well, as it\'s capable of converting LVDS or RSDS encoded digital video into RGB and providing data rates up to 6x of the SMPTE or CEA-861 standards. Another type of application this serializer-deserializer can be used for is SATA and eSATA applications. It can be used to convert Serial ATA (SATA) and eSATA (external SATA) data streams into the LVDS and RSDS formats needed for compatible downstream devices.

Working Principle

The DS90UR241QVS/NOPB employs a Serial-to-Parallel deserialization feature, which allows it to receive a serial data stream on its differential inputs, and then output it as a wide 24-bit parallel data stream. This helps to dramatically reduce the number of connections required between devices. It also utilizes an internal clock which is synchronized with its serial data inputs, to ensure that all the serialized data can be read quickly and accurately. This device also has an Automatic Input-to-Output Timing Signal (AITTS) feature, which allows its clock to be adjusted in the event the device receives timing signals from upstream devices that are either slower or faster than its internal clock.

The DS90UR241QVS/NOPB also has an integrated reclocking component which provides an adjustable clock output rate to downstream devices in order to improve the stability and performance of the system, as well as reduce the need for any additional cloaking equipment. Finally, this serializer-deserializer is also capable of error correction and can detect and correct single bit errors within the incoming data frame.

Conclusion

The DS90UR241QVS/NOPB is an exceptional serializer-deserializer from Texas Instruments which offers a highly efficient way to convert different digital video streams into 24-bit wide digital RGB video streams. It also has a number of other applications, such as conversion for SATA/eSATA data streams, as well as error correction capabilities. With its integrated reclocking component, it provides a very stable connection which can improve the performance of the system.

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