SY89875UMG

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SY89875UMG is a high-speed 8-channel LVDS communications clock and data distribution device used in the design of communications platforms. It features a single 3.3V clock input for efficient digital exchange and data communications. The device’s four LVDS differential output pairs perform at up to 1.25Gbps data rates, while its four clock outputs support clock frequencies up to 333MHz. With power amplifiers and eight outputs capable of high speed data transmission, SY89875UMG falls into the Clock/Timing - Clock Buffers, Drivers category.

SY89875UMG’s clock input buffer offers an optional jitter attenuator, making the device well suited to the nuances of advanced communications designs. Its integrated jitter attenuator uses high slew rate amplifiers to attenuate clock jitter at rates of up to 20MHz, with a maximum ratio of −30dB, for improved signal integrity. The SY89875UMG’s buffer also features automatic frequency compensation (AFC), allowing clock signals up to 375MHz to be input with a maximum deviation level of 50ppm.

In addition to clock jitter attenuation and AFC, the SY89875UMG supports other features such as power saving mode and under-voltage lockout. Power saving mode enables Active Clock Output Switching (A-COS) and Two-Step Power Shutdown (TSPD) to reduce the device’s power requirements to as low as 0.4W for the entire device. Under-voltage lockout provides protection against power supply noise and rail switching transients below the minimum LVTTL voltage level.

SY89875UMG operates from a 3.3V power supply and includes power On Reset (POR) with Power Good output and supports a temperature range from −40°C to 85°C. The device also includes five output banks, each with internal 630R on each differential output pair, allowing for a total of five output transmission lines. Additionally, the selection of five output banks allows for multiple independent communication networks.

The SY89875UMG utilises a combination of on-chip power amplifiers, power saving techniques, and industry-leading jitter attenuation to provide an effective switching solution for clock-data distribution. It makes an excellent choice when seeking a reliable, highly efficient, and comprehensive clock-data distribution solution.

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