SI53311-B-GMR

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SI53311-B-GMR is a product in the range of offered clock buffers, drivers, and repeaters. Working along different clock frequencies and high-speed communication protocols, these products satisfy high-level and low-level interface specifications. They are widely used in fields such as telecom, data-communication, and personal computers. Enjoying considerable features, such as typical working frequency up to 13G, low power, combined rail-to-rail VDD, ESD protection from IEC 61000-4-2, and a highly cost-effective design, SI53311-B-GMR attracts a growing deal of attention from industry.

The working principle of SI53311-B-GMR is based on the conventional clock buffer, driver and repeater design. Power-on is indicated by the low power logic. A differential input pair is preferred in the configuration. The output has also two stages: one is the driver stage which provides the output loop, and the other is the termination stage, which sets the output termination. The output loop is designed to be slightly delayed. This design avoids the chance of feedback instability.

The input is first applied to the differential pair, which is then compared to the reference voltage (Vref). To ensure reliable operation, it is provided with a slew-rate control. The output is then driven to Vref. The output driver has two stages, which are used to ensure swings as proportionally to the input applicated. It is possible by setting the proper voltage levels at the output.

The SI53311-B-GMR has two power-on modes. In normal mode, the output is regulated to a safe level of about 12V. Whereas, for the low power mode, the output is regulated to a low level of about 5V. The output voltage from the device is determined by the operating voltage. The output conditions are monitored by an optocoupler, which facilitates the monitoring and control of the device from a distance.

An important feature of the SI53311-B-GMR is its ability to provide high performance without added complexity. By using a single differential input pair for both input and termination of the output, the device is able to deliver a very low skew and jitter. This makes it suitable for applications where timing accuracy is a key factor. It also permits the construction of a highly reliable clock tree, which is central to the operation of any high-speed communication system.

Another advantage of the SI53311-B-GMR is its high performance at very low input clock frequency. This is possible due to its ability to maintain a high clock frequency while simultaneously keeping the power consumption to very low values. This gives it a significant advantage over other clock buffer products in applications requiring low clock frequencies. This makes it particularly attractive for applications such as low power home and office systems.

The SI53311-B-GMR is also provided with integrated ESD protection. This makes it suitable for use in environments with a risk of electrostatic discharge (ESD) damage. This can be beneficial for applications such as process control systems, automotive electronics and instrumentation.

The SI53311-B-GMR can be used in a broad range of applications, from telecom and high-speed communications to low power home applications. It offers a cost-effective solution, high performance and integrated ESD protection, making it suitable for a wide range of applications. While its most noteworthy feature is low skew, low jitter, and low power consumption, the device also provides robustness and reliability, making it a great choice for high-speed systems.

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