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 cmos ha-a1420 series description the ha-a1420 series of quartz crystal oscillators provide enable/disable 3-state cmos compatible signals for bus connected systems. supplying pin 1 of the ha-a1420 units with a logic ?1" or open enables its output. in the disabled mode, output pin presents a high impedance to the load. all units are resistance welded in an all metal package, offering rfi shielding, and are designed to survive standard wave soldering operations without damage. insulated standoffs to enhance board cleaning are standard. features ? wide frequency range? 1.0mhz to 80.0mhz ? user specified tolerance available ? will withstand vapor phase temperatures of 253c for 4 minutes maximum ? space-saving alternative to discrete component oscillators ? high shock resistance, to 3000g ? all metal, resistance weld, hermetically sealed package ? 3.3 volt operation ? low jitter ? high q crystal actively tuned oscillator circuit ? power supply decoupling internal ? no internal pll avoids cascading pll problems ? low power consumption ? gold plated leads - solder dipped leads available upon request electrical connection pin connection 1 enable input 4 grd & case 5 output 8 v dd dimensions are in inches and (mm) crystal clock oscillators data sheet 0016c rev. e
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 ha-a1420 series continued cmos operating conditions and output characteristics electrical characteristics parameter symbol conditions min typical max frequency ----- ----- 1.0mhz ----- 80.0mhz duty cycle ----- @ v dd /2 45/55% ----- 55/45% logic 0 v ol @ 600a ----- ----- 0.2v logic 1 v oh @ 600a v dd -0.2v ----- ----- rise & fall time tr,tf 10-90% ----- ----- 8 ns tpz ----- ----- ----- ----- 25 ns enable/disable logic high voltage ----- ----- 2.0v ----- ----- enable/disable logic low voltage ----- ----- ----- ----- 0.8v jitter, rms (2) ----- ----- ----- ----- 5 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 dd ----- 3.135v 3.3v 3.465v supply current i dd no load 0.0 ma ----- 40ma output current i o ----- 0.0 ma ----- 16.0 ma operating temperature t a ----- 0c ----- 70c storage temperature t s ----- -55c ----- 125c power dissipation p d ----- ----- ----- 138 mw lead temperature t l soldering, 10 sec. ----- ----- 300c load ---- ----- ----- ----- 15pf 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) jitter performance is frequency dependent. please contact factory for full characterization. test load: rev. e crystal clock oscillators ha - a 142x - freq package code tolerance/performance ha leaded 4 pin (8 pin) 0 100ppm 0-70c sa leaded 4 pin (8 pin) smd 1 50ppm 0-70c gull wing 7 25ppm 0-70c input voltage 9 customer specific code specification a 20ppm 0-70c a 3.3v b 50ppm -40 to +85c 5v c 100ppm -40 to +85c creating a part number data sheet 0016c
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