8T49N203A-016NLGI

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The 8T49N203A-016NLGI is part of the family of Clock Generators, PLLs, Frequency Synthesizers available on the market today and offers unique features and performance characteristics. As its name implies, the 8T49N203A-016NLGI Clock Generator and PLL is a programmable combination device for generating a programmable clock signal output, as well as low jitter, single or multi-output PLL. It is designed to provide a low-cost, low-power and low-noise solution for configuring, controlling, and timing a wide variety of data communication, computing and consumer electronics applications.

The 8T49N203A-016NLGI package comprises multiple overlapping branches, each of which has its own dedicated clock and/or PLL device. The 8T49N203A-016NLGI contains two main blocks: the clock generation block (CGB) and the phase-locked loop (PLL) block. These blocks contain multiple individual functions that work together to generate a variety of clock outputs. For example, the CGB includes an on-chip linear voltage-controlled oscillator (VCO), programmable dividers, and a feedforward divider, while the PLL includes an analog loop filter, a phase-frequency detector, and a multiturn potentiometer.

The 8T49N203A-016NLGI is configured to generate programmable sinusoidal clock signals and elements of PLL systems. The 8T49N203A-016NLGI consists of two sections: the clock generation block (CGB) and the phase-locked loop (PLL) block. The CGB contains a variable frequency oscillator (VCO), programmable dividers, and a feedforward divider. The PLL includes a phase-frequency detector, an analog loop filter, and a multiturn potentiometer. The device also includes control logic circuits that configure the operation of the CGB and PLL via inputs and an SPI interface. The SPI interface can be used to control the output frequency and duty cycle.

The 8T49N203A-016NLGI operates by using a feedback loop system. The output of the VCO produces a clock signal that is divided down by the frequency dividers in the CGB. This signal is then fed back to the phase-frequency detector, which compares the frequency and phase of the incoming signal with that of a reference clock. If a mismatch is detected, it is used to adjust the control voltage applied to the VCO. The divided versions of the output clock can then be used for further frequency synthesis or output directly to the system. The CGB and PLL blocks are operated by a serial programming interface (SPI).

The 8T49N203A-016NLGI supports various features including programmable internal/external reference input, output skew, phase shifting of output signals, zero delay buffer, static phase reversal, and programmable glitch removal. The device also supports multiple output dividers, programmable output slew rate control, soft-start and programmable logic control. It is available in 3.2 mm × 4.9 mm and 5.0 mm × 5.0 mm packages.

The 8T49N203A-016NLGI is perfectly suited for a wide range of data communication, computing and consumer electronics applications such as communication interface, modems, routers, network interface cards, set-top boxes, plasma and LCD displays, navigation systems and hard disk drives. The device provides a highly reliable, low power and low noise solution for clock and timing system design.

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