MAX9276GGN/VY+T

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The MAX9276GGN/VY+T is an advanced, low-latency serializer-deserializer (SerDes) transmitter-receiver pair. The MAX9276 includes high-performance, low-power SerDes transceivers, reference clocking design, and pulse-shaping circuitry that support high-speed data-communications links up to 10.3Gbps for parallel interfaces up to 14 bits. The MAX9276 provides reduced link-level latency, improved cable equalization and jitter attenuation compared to most existing SerDes architectures.

The MAX9276GGN/VY+T is particularly suitable for applications that require low latency and/or high data transmission rates. Examples include high-bandwidth communications, such as 100 Gigabit Ethernet, 10/40/100 Gigabit optical fiber links, short-range radio communication, and High Definition Multimedia Interface (HDMI) devices.

Working Principle

The MAX9276GGN/VY+T SerDes has 3 main components: the transmitter, the receiver, and the pulse-shaping circuitry. The transmitter converts digital data into a serial stream of parallel data, while the receiver performs the reverse process. The pulse-shaping circuitry reduces the effects of jitter, mainly from the clock signals from the transmitter.

The transmitter is composed of a serializer, an equalizer, and a multiplexer. The serializer takes in the parallel data, which is 8/10/12 bit wide, and converts it into a single high-speed serial stream of data. The equalizer performs equalization and preemphasis on the signal to reduce the effects of high-frequency noise and jitter in the signal. The multiplexer then combines the equalized signal with the transmitted clock signal.

The receiver is composed of a deserializer, an equalizer, and a demultiplexer. The deserializer converts the single serial stream of data back into the parallel data. The equalizer then performs de-emphasis on the signal to reduce the effects of noise. The demultiplexer then separates the de-emphasized signal from the reference clock.

The pulse-shaping circuitry is between the transmitter and the receiver. It is mainly composed of a cable equalizer. This reduces the effects of jitter and pulse distortion in the signal by increasing the bit width at the receiver. The expanded signal is then compressed back to its original width at the receiver.

Conclusion

The MAX9276GGN/VY+T is an advanced, low-latency serializer-deserializer (SerDes) transmitter-receiver pair suitable for high-speed data communications links. It includes a serializer, equalizer, multiplexer, deserializer, equalizer and demultiplexer, as well as a cable equalizer for reducing jitter and pulse distortion. The MAX9276GGN/VY+T is suitable for applications that require low latency and/or high data transmission rates.

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