Step 1: Build Part Number    Step 2: Verify Specification    Step 3: Initiate Request XO/VCXO Part Number Builder Oscillator Type:  Single Frequency XO, 0.3 ps RMS jitter (Si530) Single Frequency XO, OE pin 1, 0.3 ps RMS jitter (Si531) Dual Frequency XO, 0.3 ps RMS jitter (Si532) Dual Frequency XO, OE pin 1, 0.3 ps RMS jitter (Si533) Quad Frequency XO, 0.3 ps RMS jitter (Si534) Single Frequency VCXO, 0.5 ps RMS jitter (Si550) Dual Frequency VCXO, 0.5 ps RMS jitter (Si552) Quad Frequency VCXO, 0.5 ps RMS jitter (Si554) I2C Programmable XO, 0.3 ps RMS jitter (Si570) I2C Programmable VCXO, 0.5 ps RMS jitter (Si571) Single Frequency XO, 0.5 ps RMS jitter (Si590) Single Frequency XO, OE pin 1, 0.5 ps RMS jitter (Si591) Single Frequency VCXO, 0.7 ps RMS jitter (Si595) I2C Programmable XO, 0.5 ps RMS jitter (Si598) I2C Programmable VCXO, 0.7 ps RMS jitter (Si599) FIRST OPTION Output Format:  LVPECL LVDS CMOS CML Nominal VDD Voltage:  3.3V 2.5V Output Enable Polarity:  OE active high OE active low SECOND OPTION Temperature Stability:  50 ppm 20 ppm 7 ppm Output Frequency (MHz):