SK-A29B0 Series Differential Positive ECL (DPECL) SK-A29B0 Series Rev D Frequency Range: 350.0 MHz to 1.7 GHz Description The SK-A29B0 Series of quartz crystal oscillators provide DPECL Fast Edge compatible signals. This device is to operate using positive voltage and uses multiple ground pins for improved signal integrity. This device is intended to operate on positive voltage for PECL applications. Size, mm 20 x 13 I/O 8 pin (14 pin) SMD Gull Wing Supply Voltage 3.3V / 2.5V Features • High Reliability - NEL HALT/HASS qualified for crystal oscillator start-up conditions • Low jitter - Wavecrest jitter characterization available • Wide frequency range—350.0 MHz to 1.7 GHz • User specified tolerance available • Case at electrical ground • Will withstand SMD reflow temperatures of 253°C for 4 minutes maximum • All metal, resistance weld, hermetically sealed package • High shock resistance, to 1500g • High Q Crystal actively tuned oscillator circuit • Power supply decoupling internal • High frequencies due to proprietary design • RoHS complaint, lead free construction Creating a Part Number SK - A29BX - FREQ Package Code HK Leaded 8 pin (14 pin) SK 8 pin (14 pin) SMD Gull Wing Input Voltage Code Specification A 3.3 V B 2.5 V Tolerance/Performance 0 ±100 ppm 0-70°C 1 ±50 ppm 0-70°C 7 ±25 ppm 0-70°C 9 Customer Specific A ±20 ppm 0-70°C B ±50 ppm -40 to +85°C C ±100 ppm -40 to +85°C Drawing Specifications Electrical Connections Pin Connection 1 VCC 2 VEE Case 6 VEE Case 7 Output 8 /Output 9 VEE Case 13 VEE Case 14 Enable/Disable For the most up to date specifications on each NEL product, log on to our website—www.nelfc.com B9 All other pins are no connect Dimension shown in inches and (mm). 357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone: 262-763-3591 Fax: 262-763-2881 Email: [email protected] www.nelfc.com Differential Positive ECL (DPECL) SK-A29B0 Series Rev D Frequency Range: 350.0 MHz to 1.7 GHz Operating Conditions and Output Characteristics Electrical Characteristics Parameter Symbol Conditions Min Typical General Characteristics Parameter Symbol Conditions Min Typical Frequency — — 350.0 MHz Duty Cycle — @50% points 45/55% Logic 0(1) VOL — VCC -1.810 V Logic 1(1) VOH — VCC -1.025 V tr, tf 20-80% VO with 50 ohm load to VCC -2V — Rise & Fall Time Jitter, RMS(4) — — — Enable Voltage(2) — with VEE = 0V 0 V Disable Voltage — with VEE = 0V 3.0 V Frequency Stability(3) dF/F Overall conditions including: -100 ppm voltage, calibration, temp., 10 yr aging, shock, vibration — — — — 350 psec 0.3 psec — — — Supply Voltage VCC 3.3V±5% 3.135 V 3.3 V Supply Current ICC 50 ohm termination 0.0 mA — To 2.00V below VCC Output Current I O Low level Output Current 0.0 mA — Operating Temperature TA — 0ºC — Storage Temperature T S — -55ºC — Input: Logic High (ECL) - Disables VEE or Open - Enables Lead Temperature TL Soldering, 10 sec. — — Load 50 ohm to VCC-2V or Thevenin Equivalent, Bias Required Start-up Time tS — — 2 ms Max 1.7 GHz 55/45% VCC -1.620 V VCC -0.880 V 600 psec 0.5 psec 1.0 V VCC +100 ppm Max 3.465 V 160 mA ±50.0 mA 70ºC 125ºC 300ºC 10 ms Environmental and Mechanical Characteristics Mechanical Shock Thermal Shock Vibration Soldering Condition Hermetic Seal Per MIL-STD-202, Method 213, Condition E Per MIL-STD-833, Method 1011, Condition A 0.060” double amplitude 10 Hz to 55 Hz, 35g’s 55 Hz to 2000 Hz 300ºC for 10 seconds Leak rate less than 1 x 10-8 atm.cc/sec of helium Footnotes: 1) VOL, VOH, referenced to ground. 2) Open to Enable pin also enables the output. 3) Standard frequency stability (others available). 4) Jitter performance is frequency dependent. Please contact factory for full Aeroflex characterization. RMS jitter bandwidth of 12kHz to 20MHz. Test Circuit 1 7 8 2, 6, 9, 13 Test Circuit uses a split supply of +2V and -1.3V for ease of testing. B10