ICS275PGI

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The ICS275PGI is a highly versatile programmable clock generator and frequency synthesizer from IDT. It is extremely accurate and has a wide operating range of 0.1 to 700 MHz. The ICS275PGI can generate up to eight different frequencies and clock sources, making it suitable for a variety of applications. This highly integrated device also supports many different output types, including crystal oscillator (XO), low phase noise (LPN), spread spectrum (SS) and programmable voltage level (PVL) outputs. The ICS275PGI also features an embedded real-time clock (RTC) and programmable clock output delays, which can be programmed to various application needs.

The ICS275PGI is a versatile and powerful clock generator and frequency synthesizer for applications such as system timing, digital audio, Gigabit Ethernet (GbE) transceivers, and high-speed board and system design. It uses a multi-phase phase-lock loop (PLL) architecture to generate a low jitter local oscillator (LO) that is synchronized to an external reference clock. The PLL also contains multiplexers, frequency dividers, programmable feedback dividers, and four independent sensitivity control loops.

The ICS275PGI has a wide range of set-up modes which allow the user to configure the characteristics of the PLL and outputs. The ICS275PGI is configurable through four main menus: Setup Menu, Frequency Menu, PLL Menu and Control Menu. The user can use these four menus to set the PLL parameters, output frequency, output type and output stages. The ICS275PGI also features an optional memory to store the configuration settings.

The ICS275PGI’s PLL architecture is designed with a sensitivity range of 0.1 Hz to 700 MHz. The PLL is programmable via two independent loop filters, and two programmable feedback dividers, which allow the user to select the desired frequency range and response time. The PLL also incorporates a multiplexer and frequency dividers, which enable the user to control the output frequency range, as well as select a variety of clock output sources.

The ICS275PGI also provides multiple output capabilities, making it suitable for a wide variety of applications. The ICS275PGI supports crystal oscillator (XO), low phase noise (LPN), spread spectrum (SS) and programmable voltage level (PVL) outputs. It also supports an optional real-time clock (RTC) that can be used to create programmable clock output delays. Additionally, the ICS275PGI also has configurable output ringing and slew rate control, allowing for improved signal integrity and better EMI/EMC performance.

In conclusion, the ICS275PGI is a highly versatile clock generator and frequency synthesizer for applications such as system timing, digital audio, Gigabit Ethernet (Gbe) transceivers, and high-speed board and system design. It is extremely accurate and has a wide operating range of 0.1 to 700 MHz, and supports multiple output types including crystal oscillator (XO), low phase noise (LPN), spread spectrum (SS) and programmable voltage level (PVL) outputs. The ICS275PGI also features an embedded real-time clock (RTC) and programmable clock output delays, making it suitable for a variety of applications.

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