Features

• Fourth generation FemtoClock® NG technology

• Four 100MHz, 125MHz, 156.25MHz and 312.5MHz clocks for

Gigabit Ethernet, 10 Gigabit Ethernet, SGMII and PCI Express

applications, HCSL interface levels

• Selectable external crystal or differential input source

• Crystal oscillator interface designed for 25MHz parallel

resonant crystal

• Differential CLK, nCLK input pair accepts LVPECL, LVDS,

LVHSTL, HCSL input levels

• Internal resistor bias on nCLK pin allows the user to drive CLK

input with external single-ended (LVCMOS/ LVTTL) input levels

• PCI Express Gen1, Gen2, and Gen 3 compliant

• RMS phase jitter 156.25MHz (12kHz - 20MHz): 0.217ps

• Full 3.3V supply voltage

• -40°C to 85°C ambient operating temperature