CRYSTAL CLOCK OSCILLATORS
Differential Positive ECL (DPECL)
Data Sheet 9235A Rev. N
HK-2900 Series
Description
The HK-2900 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.
Features
• Wide frequency range–250.0MHz to 500.0MHz • User specified tolerance available • Case at electrical ground • Will withstand vapor phase temperatures of 253°C for 4 minutes maximum • All metal, resistance weld, hermetically sealed package • High shock resistance, to 1500g • Low Jitter • Overtone technology • High Q Crystal actively tuned oscillator circuit • Power supply decoupling internal • Dual ground plane for added stability • No internal PLL avoids cascading PLL problems • High frequencies due to proprietary design • RoHS Compliant, Lead Free Construction
Electrical Connection Pin 1 2 6 7 8 9 13 14 Connection VCC VEE Case VEE Case Output /Output VEE Case VEE Case Enable/Disable
All dimensions expressed in Inches/MM
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
CRYSTAL CLOCK OSCILLATORS
HK-2900 Series Continued Differential Positive ECL (DPECL) Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter Frequency Duty Cycle Logic 0 (2) Logic 1(2) Rise & Fall Time Jitter, RMS(3) Enable Voltage(4) Disable Voltage Frequency Stability (1) Symbol Conditions Min --------250.0MHz ----@ 50% points 45/55% VOL ----VCC-1.95V VOH ----VCC-1.02V tr,tf 20-80%VO with 50 ohm load to VCC-2V -------------------with VEE=0V 0V 3.0V ----with VEE=0V dF/F Overall conditions including: -100ppm voltage, calibration, temp., 10 yr aging, shock, vibration
Data Sheet 9235A Rev. N
Typical ----------------350 psec -----------------
Max 500.0MHz 55/45% VCC-1.60V VCC-0.74V 600 psec 5 psec 1.0V VCC +100ppm
General Characteristics
Parameter Supply Voltage Supply Current Symbol VCC ICC Conditions ----50 ohm termination To 2.00V below VCC Low level Output Current ---------Min 4.75V 0.0 mA Typical 5.0V --------------------2 ms Max 5.25V 120 mA ±50.0 mA 70°C 125°C 300°C 10 ms
Output current IO 0.0 mA 0°C Operating temperature TA -55°C Storage temperature TS Input: Logic High (ECL) - Disables VEE or Open - Enables Soldering, 10 sec. ----Lead temperature TL Load 50 Ohm to VCC-2V or Thevenin Equivalent, Bias Required --------Start-up time tS
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 55Hz to 2000 Hz 300°C for 10 seconds Leak rate less than 1 x 10 -8 atm.cc/sec of helium
Footnotes: 1) Standard frequency stability (±20,±25,±50ppm & others available) 2) VOL, VOH, referenced to ground 3) Jitter performance is frequency dependent. Please contact factory for full characterization. RMS jitter bandwidth of 12kHz to 20MHz. 4) Open to Enable pin also enables to output.
Creating a Part Number HK - A290X - FREQ Package Code HK Leaded 8 pin (14pin) SK 8 pin (14 pin) SMD Gull Wing Input Voltage Code Specification A 3.3V 5V Tolerance/Performance 0 ±100ppm 0-70°C 1 ±50ppm 0-70°C 7 ±25ppm 0-70°C 9 Customer Specific A ±20ppm 0-70°C B ±50ppm -40 to +85°C C ±100ppm -40 to +85°C
357 Beloit Street, P.O. Box 457, Burlington, WI 53105-0457 U.S.A. Phone 262/763-3591 FAX 262/763-2881 Email: nelsales@nelfc.com www.nelfc.com
很抱歉,暂时无法提供与“HK-A2900-FREQ”相匹配的价格&库存,您可以联系我们找货
免费人工找货