ICS85454AK-01LFT

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The ICS85454AK-01LFT clock buffer is a high-performance solution for up to 4-GT/s serial data rates. It is a bidirectional clock buffer suitable for transceiver applications and is rated at 10 Gb/s. This buffer is used to ensure high signal integrity and reliable clock performance. It is part of the ICSfamilies of clock buffer products that provide high-speed, low-power, and jitter-free operation in high-speed clock distribution networks.

It features an I/O strength of 3.3 V/2.8 V/3.3 V, with a differential signal range of 200-2000 mV. The ICS 85454AK-01LFT is capable of driving into a load of 50 Ω or higher, and is powered from a single 3.3 V supply. The device is packaged in a 28-pin SSOP with 10 mm mounting height.

Application Field

The ICS85454AK-01LFT can be used for a wide variety of clock distribution and signal conditioning applications. It is designed for high-speed serial data links in communications systems, including clock synthesis, clock buffering/conditioning/distribution, clock jitter reduction, signal distribution and splitting, clock/data alignment and signal conditioning. This device is especially suitable for high-performance transceiver applications such as Fibre Channel, Gigabit Ethernet, and InfiniBand.

Working Principle

The ICS85454AK-01LFT comprises two identical clock buffers – one for clock input and the other for clock output. The input clock is received on the two latch polarity pins, which determines the polarity of the output clock signal. It can operate in either a single-ended or differential matching mode to suit a variety of system applications. The inputs of the device are fed with differentialclock signal and are buffered using internal circuitry to reduce jitter. The device then outputs the buffered signal on the outputs, providing a stable clock signal for subsequent stages.

The device has programmable frequency synthesizer and equalizer circuits to provide optimal performance for the clock signal. The synthesizer allows the user to select the frequency of the output clock from a range of predefined frequencies. The equalizer circuit enables an adjustable frequency response to reduce jitter and increase timing margin in various high-speed data links.

The device features a low power consumption of 10mW typical and can operate over a range of temperature extremes, making it ideal for a wide range of applications. The ICS 85454AK-01LFT is RoHS-compliant, and is compliant with the IEC and JEDEC standards.

Conclusion

The ICS85454AK-01LFT is a high-performance clock buffer designed to meet the demands of high-speed transceiver applications. It is suitable for a wide variety of applications such as clock synthesis, clock buffering/conditioning/distribution, clock jitter reduction, signal distribution and splitting, clock/data alignment and signal conditioning. The device is designed for low-power consumption and features an adjustable frequency response to reduce jitter and increase timing margin in various high-speed data links.

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