843204AGILFT

• Four 3.3V LVPECL outputs
• Selectable crystal oscillator interface or
• LVCMOS/LVTTL single-ended input
• Supports the following output frequencies:
• 155.52MHz and 156.25MHz
• VCO range: 560MHz - 680MHz
• RMS phase jitter @ 155.52MHz, using a 19.44MHz crystl (12kHz - 13MHz): 0.86ps (typical)
• RMS phase jitter @ 156.25MHz, using a 19.44MHz crystl (1.875MHz - 20MHz): 0.52ps (typical)
• Full 3.3V supply mode
• -40°C to 85°C ambient operating temperature
• Available in both standard and lead-free RoHS compliant packages

Description
The ICS843204I is a 4 output LVPECL Synthesizer optimized to generate Gigabit Ethernet and SONET reference clock fre-quencies and is a member of the HiPerClocksTM family of high performance clock solutions from IDT. Using a 19.44MHz and 25MHz, 18pF parallel resonant crystal, 155.52MHz and 156.25MHz frequencies can be generated. The ICS843204I uses ICS' FemtoClockTM low phase noise VCO technology and can achieve 1ps or lower typical RMS phase jitter. The ICS843204I is packaged in a 48-pin TSSOP package.