ICS275PG

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The ICS275PG is a programmable clock generator and frequency synthesizer which can generate a wide range of frequencies with both low jitter and low phase noise. It is designed to operate as a single chip solution for a variety of clock, timing, and data synchronization requirements. It is capable of generating up to four synchronized clock outputs with a variety of jitter and phase noise specifications.

The ICS275PG is ideal for clock and timing applications such as PDH/SDH/SONET, High Speed Ethernet, Gigabit Ethernet, Fibre Channel, and SAN networking systems, as well as a range of other communications, storage, and media applications. It offers advanced features including programmable output frequencies, synthesized wide-span, high frequency tuning and non-zero-delay buffer (NzdB) to enable communications systems designers to meet their stringent requirements for clock and data synchronization.

The ICS275PG is a fully integrated PLL-based frequency synthesizer that supports both low-jitter and low-phase-noise outputs from a single chip. The PLL is a closed-loop circuit that uses a phase and frequency reference input to generate a desired frequency output. The device includes an on-chip VCO (Voltage Controlled Oscillator) that is tuned over a wide range using a variety of programmable control signals, including a digitally programmable clock multiplier and a wide-span frequency tuning function. The ICS275PG also supports active routing and rerouting of clock signals between different output channels, thus providing flexibility in matching frequencies to the specific requirements of communications systems.

The ICS275PG features an integrated phase detector and loop filter, which help ensure a low phase noise performance. Together with advanced phase offset control and an on-chip clock synchronization circuit, the ICS275PG is fully compliant with a wide range of industry-standard PLL designs. In addition, the device supports a wide range of output formats, including both differential and single-ended LVPECL (Low Voltage Positive Edge-Coupled Logic), LVDS (Low Voltage Differential Signaling), LVHSTL (Low Voltage High Speed Transmission Line), and LVCMOS (Low Voltage Complementary Metal Oxide Semiconductor) capable of working with a wide variety of frequencies.

The ICS275PG offers a variety of advanced features such as frequency synthesis, programmable output frequencies, synthesized wide-span frequency tuning, and non-zero-delay buffer (NzdB). The NzdB feature is especially important for systems that require multiple clocks to be synchronized and available simultaneously, such as Video over IP applications.

The ICS275PG is an ideal clock and timing solution for a wide range of communication, storage, and media applications, with its programmability, wide frequency range and low phase noise level. It offers designers a high level of flexibility in their clock source and clock distribution designs, helping to ensure that the most demanding timing requirements can be met.

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