Microchip | SY898535XLKY

The SY898535XLKY is a 3.3 V, low skew 1:4 Crystal Oscillator/LVCMOS/LVTTL-to-LVPECL fanout buffer with selectable single ended clock or crystal inputs. The clock input accepts LVCMOS or LVTTL input levels and translate them to 3.3 V LVPECL levels.

To eliminate runt pulses on the outputs during asynchronous assertion/de-assertion of the clock enable pin, the clock enable is synchronized with the input signal. The SY898535XL operates from a 3.3 V ±5% supply and is guaranteed over the full industrial temperature range of –40°C to +85°C.

Features:

• Provides four differential 3.3 V LVPECL copies
• Selects between single-ended CLK or crystal inputs
• CLK accepts LVCMOS or LVTTL input levels
• Guaranteed AC performance over temperature and supply voltage:
  • 235MHz Maximum output frequency
  • <1.65ns Propagation delay (In-to-Q)
  • <30ps Output skew
  • <200ps Part-to-part skew
• Additive phase jitter, RMS: 0.09ps (typical)
• 3.3 V ±5% supply voltage
• –40°C to +85°C industrial temperature operating range
• Available in a 20-pin TSSOP package

Applications:

• Gigabit Ethernet
• 10Gigabit Ethernet
• SONET/SDH
• PCI