THC63LVD824A

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Serializers and Deserializers (SerDes) are devices used to convert digital data from its serialised format to a parallel format, and vice versa. The THC63LVD824A is a high-speed ultra low-skew differential LVDS SerDes ideal for the design of local area network (LAN) and other applications. This article looks at the application field and working principle of the THC63LVD824A.

Application Field of the THC63LVD824A

The THC63LVD824A is designed for the design of ultra-high-speed communications links. It is a differential LVDS SerDes with data rates up to 10.3 Gbps and operating in the industrial temperature range of -40°C to + 85°C. It features equalized input receiver, three-stage output driver with adjustable pre-emphasis to reduce peak-to-peak skew, and adjustable output voltage scale with 6-mA peak output current rating. The low-skew LVDS output can support maximum link lengths up to c. 10 m, at 10.3 Gbps without the use of receivers.

LVDS is a high bandwidth signalling technology that is becoming popular in digital data transmissions and communication networks. It is a cost effective solution to high speed digital transmission, with low power and noise immunity. LVDS has replaced many traditional high-speed technologies like ECL, FDL and PECL in a number of applications.

Here is a list of application fields for the THC63LVD824A:

• High speed Serial ATA (SATA) and Serial Attached SCSI (SAS)
• High speed interfacing for controller cards and peripheral cards
• Data storage and mass storage applications
• LVDS timing and data recovery applications
• Next-generation signal processing nodes
• Digital signal processing
• Signal flow mapping and analysis
• Low latency data transmission
• Digital networking and telecommunications

Working Principle of the THC63LVD824A

The working principle of the THC63LVD824A is simple. It converts the input serial data stream into the required parallel format, and then transmits the parallel data across the LVDS channel. On the other end, the device accepts parallel data and reconverts it into the serial format prior to output. The device maintains low power consumption, high speed and low skew performance. The device also has adaptive equalization and output pre-emphasis to reduce signal distortion from the effects of repeater signals.

The THC63LVD824A is designed to support a wide range of frequencies, from 10Khz to 10.3Gbps. It also provides variable pre-emphasis, variable swing and variable power supply. The variable output swing of the device ensures proper signal integrity at low and high frequency supply. The device also supports various control signals to control signal directions, enable/disable and parity checks. The on-chip equalization feature reduces eye and bit errors at the target data rate. The device also has built in loop-back modes, which can be used for testing and calibrations.

Conclusion

The THC63LVD824A is a high speed SerDes device designed for ultra-high-speed communications links. It has become increasingly popular in the design of local area networks, data storage and mass storage applications, digital signal processing and low latency data transmission. The device is designed to be low power, low skew and to support wide range of frequencies from 10Khz to 10.3Gbps. The device also has adaptive equalization and pre-emphasis, built in loop-back mode and various control signals for calibration purposes.

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