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Si533x/5x Any-Rate Clock Generators and Clock Buffers Slide 7
The Si5338 greatly simplifies frequency margining. The frequency of each output can be dynamically adjusted up or down to produce margined clock frequencies. This eliminates the need for custom frequency oscillators. The frequency change produced by the Si5338 is continuous and glitchless. The frequency can be adjusted in increments as small as 0.1 kHz and as large as 10 MHz. This feature is supported up to a 350 MHz output clock frequency. The frequency margining feature is controllable via the I2C serial interface or via pins.
PTM Published on: 2013-01-16