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The PI6C49003A is a clock generator device intended for PCIe® Gen2 networking applications. The device includes five 100MHz differential Host Clock Signal Level (HCSL) outputs for PCIe Gen 2, two single-ended 50MHz outputs, one single-ended 32.256MHz output, and one selectable single-ended 33/66/133MHz output.
Using a serially programmable SMBUS interface, the PI6C49003A incorporates spread spectrum modulation on the twelve 100MHz HCSL PCIe Gen 2 outputs, and independent frequency margining on the 50MHz output, 33.3333MHz and 66.6666MHz clock outputs.
3.3V+/-10% Supply Voltage
Uses 25MHz xtal
Five PCIe® Gen. 2 100MHz HCSL outputs with optional -0.5% spread spectrum support
Two LVCMOS 50MHz outputs that support +/-10% frequency margining
One frequency selectable 33/66/133MHz LVCMOS output