SI5330H-A00221-GM

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The SI5330H-A00221-GM is an improved version of the multi-output programmable clock generator by Silicon Laboratories. It integrates a low-noise oscillator and a Phase Locked Loop (PLL) to generate up to 10 low-skew and low jitter clock output signals with frequencies up to 500 MHz from a wide range of reference clocks. This versatile device is ideal for applications such as telecom and networking equipment, DSLAMs, switches, routers and enterprise networking gear.In clock/timing applications, the SI5330H-A00221-GM is used as a clock buffer, driver and regenerator for producing high-speed clock output signals from a stable reference clock. The device provides multiple clock output signals with low-skew and low-jitter characteristics. It works as a jitter attenuator, reducing jitter in the clock output signals and increasing system performance.The SI5330H-A00221-GM features a fully integrated, PLL-based timing solution with clock or crystal inputs. It has 8x clock outputs, 1 LVCMOS25MHz, 1 differential output pair, 2 high-current LVDS outputs, 2 power down outputs, 1 reference clock output, clock enable, and selectable spread-spectrum modes. It supports a wide input reference clock frequency range of 10 MHz to 200 MHz, with 0.1 Hz resolution. In addition, the device has selectable high-resolution spread spectrum modes for reducing EMI and avoiding interference between clock signals.The core of the SI5330H-A00221-GM is the integrated low-noise oscillator and PLL circuitry. The oscillator is used to generate the reference clock signal, which is then fed into the PLL circuitry. The PLL circuitry filters the input signal before further processing and then multiplies and divides the signal by a certain factor to produce a set of low-jitter, low-skew clock output signals. The PLL circuitry also provides a clock enable output to disable or enable the clock outputs.The SI5330H-A00221-GM has a near-perfect sine wave operation, which reduces the jitter on the clock outputs. This helps to ensure better performance of the overall system. It also features a flexible programming interface, which allows users to easily adjust the clock frequency and phase to meet their specific requirements.The SI5330H-A00221-GM is a versatile and advanced clock buffer, driver and regenerator device, suitable for a wide range of clock/timing applications. Its advanced features make it an ideal choice for telecom and networking equipment requiring clock signal accuracy and reliability. It provides a robust and cost-effective solution for applications such as DSLAMs, switches, routers and enterprise networking gear.

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