CDCE421A

• Single Supply at 3.3 V for LVPECL or LVDS Operation
• High-Performance Clock Multiplier, Incorporating Crystal Oscillator Circuitry with Integrated Frequency Synthesizer
• Low Output Jitter: 380 fs RMS typical (from 10 kHz to 20 MHz)
• Low Phase Noise at High Frequency (708-MHz LVPECL):
  • Typically -109 dBc/Hz at 10 kHz and -146dBc/Hz at 10 MHz from the carrier
• Supports Crystal or LVCMOS Input Frequencies from 27.35 MHz to 38.33 MHz
• Output Frequency Ranges from 10.9 MHz to 766.7 MHz and from 875.2 MHz to 1175 MHz
• Low-Voltage Differential Signaling (LVDS) Output, 100- Differential Off-Chip Termination, 10.9-MHz to 400-MHz Frequency Range
• Differential Low-Voltage Positive Emitter Coupled Logic (LVPECL) Outputs, 10.9-MHz to 1.175-GHz Frequency Range
• Two Fully-Integrated Voltage-Controlled Oscillators (VCO) Support Wide Output Frequency Range
• Fully Integrated Programmable Loop Filter
• Typical Power Consumption at 3.3 V:
  • 274 mW in LVDS mode
  • 250 mW in LVPECL mode
• Chip Enable Control Pin
• Simple Serial Interface Allows Programming after Manufacturing
• Integrated On-Chip Nonvolatile Memory (EEPROM) Stores Settings Without Applying High Voltage
• Available in 4-mm × 4-mm QFN-24 Package
• ESD Protection Exceeds 2 kV (HBM)
• Industrial Temperature Range: -40°C to +85°C
• APPLICATIONS
  • Low-Cost, High-Frequency Crystal Oscillator

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