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 lvds sk-b2d00 series description the sk-b2d00 series of quartz crystal oscillators provide lvds compatible signals. this device is to operate using positive voltage and uses multiple ground pins for improved signal integrity. features ? wide frequency range - 80.0mhz to 540.0mhz ? user specified tolerance available ? case at electrical ground ? will withstand vapor phase temperatures of 253c for 4 minutes maximum ? all metal, resistance weld, hermetically sealed package ? high shock resistance, to 1000g ? enable/disable ? 2.5 volt operation ? lvds output on pin 7, complement on pin 8 ? low jitter - wavecrest jitter characterization available ? high reliability - nel halt/hass qualified for crystal oscillator start-up conditions ? high q crystal actively tuned oscillator circuit ? power supply decoupling internal ? no internal pll avoids cascading pll problems ? high frequencies due to proprietary design ? gold plated leads electrical connection pin connection 1 v cc 2 v ee case 6 v ee case 7 output 8 /output 9 v ee case 13 v ee case 14 enable/disable all other pins are no connect crystal clock oscillators data sheet 0439d rev. 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 sk-b2d00 series continued lvds operating conditions and output characteristics electrical characteristics parameter symbol conditions min typical max frequency ----- ----- 80.0mhz ----- 540.0mhz duty cycle (2) ----- @ v o /2 45/55% ----- 55/45% logic 0 (2) v ol ----- 0.80v ----- 1.10v logic 1 (2) v oh ----- 1.25v ----- 1.55v differential voltage (2) v od ----- 250 mv ----- 450 mv disable voltage ----- with v ee =0v ----- ----- 0.8v enable voltage (5) ---- with v ee =0v 2.0v ----- ----- rise & fall time (2) tr,tf 20-80%v o ----- 0.8 ns 1.0 ns tpd (4) ----- ----- -0.5 ns ----- +0.5 ns jitter, rms (3) ----- ----- ----- ----- 3 psec frequency stability (1) df/f overall conditions including: -100ppm ----- +100ppm voltage, calibration, temp., 10 yr aging, shock, vibration general characteristics parameter symbol conditions min typical max supply voltage v cc ----- 2.375v 2.5v 2.625v supply current i cc ----- 0.0 ma ----- 80 ma output current i o continuous output current 0.0 ma ----- 50.0 ma operating temperature t a ------ 0c ----- 55c storage temperature t s ----- -55c ----- 125c power dissipation p d ----- ----- ----- 210 mw lead temperature t l soldering, 10 sec. ----- ----- 300c load 100 ohms across differential outputs start-up time t s ----- ----- 2 ms 10 ms environmental and mechanical characteristics mechanical shock per mil-std-202, method 213, condition e thermal shock per mil-std-833, method 1011, condition a vibration 0.060" double amplitude 10 hz to 55 hz, 35g?s 55hz to 2000 hz soldering condition 300c for 10 seconds hermetic seal leak rate less than 1 x 10 -8 atm.cc/sec of helium footnotes: 1) standard frequency stability (20,25,50ppm & others available) 2) with load of 100 ohms across differential outputs. 3) jitter performance is frequency dependent. please contact factory for full wavecrest characterization. rms jitter bandwidth of 12khz to 20mhz. 4) tpd is phase shift between the falling edge of pin 7 and the rising edge of pin 8. 5) open to enable also enables the output. rev. c crystal clock oscillators sk - b 29dx - freq package code tolerance/performance hk leaded 8 pin (14 pin) 0 100ppm 0-70c sk 8 pin (14 pin) smd gull 1 50ppm 0-70c wing 7 25ppm 0-70c input voltage 9 customer specific code specification a 20ppm 0-70c a 3.3v b 50ppm -40 to +85c b 2.5v c 100ppm -40 to +85c creating a part number data sheet 0439d
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