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Part No.	VC-708
Manufacturer	VECTRON
Size	279 Kbytes
Pages	7 pages
Description	Ultra Low Phase Noise

Datasheet Summary with AI

# VC-708 Crystal Oscillator

## Description
· Quartz stabilized, low phase noise, differential output oscillator.
· Hermetically sealed in a 5x7 ceramic package.
· RoHS compliant and lead-free assembly compatible.

## Features
· Ultra Low Phase Noise: 47 fs RMS jitter typical (12kHz-20MHz).
· Differential Output.
· Low Current Consumption.
· Operating Temperatures: -10/70°C or -40/85°C.
· Applications: Ethernet, GbE, Fiber Channel, PON, A/D/D/A drivers, FPGA, Test & Measurement, Medical, Storage Area Networking, Telecom, COTS.

## Performance Specifications (LVPECL)
· Supply Voltage (VDD): 3.135-3.465V / 2.375-2.625V
· Supply Current (IDD): 50-65 mA
· Nominal Frequency (fN): 125.000, 156.250, 160.000, 161.132812, 200.000 MHz
· Stability: ±25, ±50, ±100 ppm
· Output Logic High (VOH): VDD-1.025/VDD-1.085V (-10/70°C / -40/85°C)
· Output Logic Low (VOL): VDD-1.810/VDD-1.830V (-10/70°C / -40/85°C)
· Rise/Fall Time: 1.0 ns
· Duty Cycle: 45-55%
· Jitter: 47-100 fs
· Start-Up Time: 10 ms

## Performance Specifications (LVDS)
· Supply Voltage (VDD): 3.135-3.465V / 2.375-2.625V
· Supply Current (IDD): 37-48 mA
· Nominal Frequency (fN): 156.250 MHz
· Stability: ±25, ±50, ±100 ppm
· Differential Output Amplitude: 247-454 mV
· Differential Output Error: -50 to 50 mV
· Offset Voltage: 1.125-1.375V
· Offset Voltage Error: -50 to 50 mV
· Rise/Fall Time: 1.0 ns
· Duty Cycle: 45-55%
· Jitter: 65-130 fs
· Start-Up Time: 10 ms

## Pinout (Table 3)
· Pin 1 & 2: NC (No Connection)
· Pin 3: GND (Ground)
· Pin 4: fO (Output Frequency)
· Pin 5: CfO (Complementary Output Frequency)
· Pin 6: VDD (Supply Voltage)

## Package Information
· Size: 5.0 x 7.0 x 1.8 mm

## Ordering Information
· VC-708- E C E - K N X N - 156M250000 (Example)
- E/H: Voltage option (+3.3V / +2.5V)
- C/D: Output type (LVPECL / LVDS)
- W/E: Temperature Range (-10/70°C / -40/85°C)
- F/K/S: Stability (±25ppm / ±50ppm / ±100ppm)
- Frequency: Specified in MHz.

## Environmental & Compliance
· Meets MIL-STD-883 standards for shock, vibration, temperature cycle, solderability, leak tests, and solvent resistance.
· Moisture Sensitivity Level: MSL1
· Lead-free epoxy and compatible with standard lead-free IR reflow.