SiT9121 Preliminary 1-220 MHz High Performance Differential Oscillator The Smart Timing Choice The Smart Timing Choice Features Applications Any frequency between 1 MHz and 220 MHz accurate to 6 decimal SONET, Synchronous Ethernet, SATA, SAS, 10GB Ethernet, Fibre places Channel, PCI-Express LVPECL and LVDS output signaling types Telecom, networking, broadband, instrumentation <0.75ps RMS phase jitter (random) over 12 kHz to 20 MHz bandwidth Frequency stability as low as 10 PPM Industrial and extended commercial temperature ranges Industry-standard packages: 5.0 mm x 3.2 mm and 7.0 mm x 5.0 mm For frequencies higher than 220 MHz, refer to SiT9122 datasheet Electrical Characteristics Parameter and Conditions Symbol Min. Typ. Max. Unit Condition LVPECL and LVDS, Common AC Characteristics Output Frequency Range f 1 220 MHz Frequency Stability F stab -10 +10 PPM Inclusive of initial tolerance, operating temperature, rated power, supply voltage and load variations -25 +25 PPM -50 +50 PPM 1-year Aging -1 +1 PPM First year 25C 10-year Aging -5 +5 PPM 85C Operating Temperature Range T use -40 +85 C Industrial -20 +70 C Extended Commercial Start-up Time T start 10 ms Duty Cycle DC 45 55 % Contact SiTime for tighter duty cycle LVPECL, DC and AC Characteristics Supply Voltage Vdd 2.97 3.3 3.63 V 2.25 2.5 2.75 V Current Consumption Idd 61 69 mA Excluding Load Termination Current, Vdd = 3.3V or 2.5V OE Disable Supply Current I OE 35 mA OE = GND Output Disable Leakage Current I leak 1 AOE = GND Maximum Output Current I-driver 30 mA Maximum average current drawn from OUT+ or OUT- Output High Voltage VOH Vdd-1.1 Vdd-0.7 V See Figure 1 Output Low Voltage VOL Vdd-1.9 Vdd-1.5 V See Figure 1 Output Differential Voltage Swing V Swing 1.2 1.6 2.0 V See Figure 1 Rise/Fall Time Tr, Tf 100 300 500 ps 20% to 80% OE Enable/Disable Time T oe 105 ns f = 220 MHz - For other frequencies, T oe = 100ns + 3 period RMS Period Jitter T jitt 1.2 1.7 ps f = 100 MHz, VDD = 3.3V or 2.5V 1.2 1.7 ps f = 156.25 MHz, VDD = 3.3V or 2.5V 1.2 1.7 ps f = 212.5 MHz, VDD = 3.3V or 2.5V RMS Phase Jitter (random) T phj 0.5 0.75 ps f = 156.25 MHz, Integration bandwidth = 12 kHz to 20 MHz, all Vdds LVDS, DC and AC Characteristics Supply Voltage Vdd 2.97 3.3 3.63 V 2.25 2.5 2.75 V Current Consumption Idd 47 55 mA Excluding Load Termination Current, Vdd = 3.3V or 2.5V OE Disable Current I OE 35 mA OE = Vdd Output Disable Leakage Current I leak 1 A OE = Vdd Differential Output Voltage VOD 200 350 500 mV See Figure 4 VOD Magnitude Change 50 mV See Figure 4 VOD Offset Voltage VOS 1.125 1.2 1.375 V See Figure 4 VOS Magnitude Change VOS 50 mV See Figure 4 Rise/Fall Time Tr, Tf 360 495 600 ps 20% to 80% OE Enable/Disable Time T oe 105 ns f = 220 MHz - For other frequencies, T oe = 100ns + 3 period RMS Period Jitter T jitt 1.2 1.7 ps f = 100 MHz, VDD = 3.3V or 2.5V 1.2 1.7 ps f = 156.25 MHz, VDD = 3.3V or 2.5V 1.2 1.7 ps f = 212.5 MHz, VDD = 3.3V or 2.5V RMS Phase Jitter (random) T phj 0.5 0.75 ps f = 156.25 MHz, Integration bandwidth = 12 kHz to 20 MHz, all Vdds SiTime Corporation 990 Almanor Avenue Sunnyvale, CA 94085 (408) 328-4400 www.sitime.com Rev. 0.3 Revised February 20, 2012SiT9121 1-220 MHz High Performance Differential Oscillator The Smart Timing Choice The Smart Timing Choice Pin Description Pin Map Functionality Top View H or Open: specified frequency output 1 OE Input L: output is high impedance OE 1 6 VDD 2 NC NA Do Not Connect Leave it floating 3 GND Power VDD Power Supply Ground 2 5 NC OUT- 4 OUT+ Output Oscillator output 5 OUT- Output Complementary oscillator output 3 4 GND OUT+ 6 VDD Power Power supply voltage Absolute Maximum Attempted operation outside the absolute maximum ratings of the part may cause permanent damage to the part. Actual perfor- mance of the IC is only guaranteed within the operational specifications, not at absolute maximum ratings. Parameter Min. Max. Unit Storage Temperature -65 150 C VDD -0.5 4 V Electrostatic Discharge 2000 V Soldering Temperature (follow standard Pb free soldering guidelines) 260 C Program Retention over -40 to 125C, Process, VDD (0 to 3.65V) 1,000+ years Environmental Compliance Parameter Condition/Test Method Mechanical Shock MIL-STD-883F, Method 2002 Mechanical Vibration MIL-STD-883F, Method 2007 Temperature Cycle JESD22, Method A104 Solderability MIL-STD-883F, Method 2003 Moisture Sensitivity Level MSL1 260C Rev. 0.3 Page 2 of 6 www.sitime.com