VFH2121-VFH2124, VFH2221-VFH2224 VFH2521-VFH2524, VFH2621-VFH2624 XO Hi-Rel, 5.0V, 3.3V 5x7mm SMD, HCMOS/TTL Features Leadless chip carrier package is hermetically sealed for superior aging and field performance Crystal angle controlled to ±0.5 minute for excellent temperature stability 168 hour Class B burn-in and extensive environmental testing for best performance in rugged field environments Guarantee start-up with a ramping DC supply Start-up time <5ms, typical Tristate option available Calculated MTBF is 3.8x106 hours at 125°C RoHS Status Description These high reliability oscillators provide HCMOS clock outputs for applications subjected to the most stringent environmental conditions. They are mechanically robust and weigh less than 0.2 grams. This 5x7 mm SMD package has a hermetic seal, thus ensuring the integrity of each part. Each oscillator is burned-in at 125°C for 168 hours, temperature cycled and centrifuged then fully tested in accordance with Table 1. Reliability tests are performed per Table 2. Electrical Specifications Parameter Symbol Frequency Range F Frequency Stability ∆F/F Operating Temperature Range T -55 Input Voltage VCC 3.0 4.5 Input Current RMS Jitter Condition Vs. Operating Temperature ICC Min Typ Max Unit 1 0.5 105 125 MHz 25 75 ppm Aging 1st Year After 1st Year 3 to 10MHz 10.1 to 20MHz 20.1 to 30MHz 30.1 to 50MHz 50.1 to 67MHz 67.1 to 125MHz Note 5.0V 3.3V See “How to Order” Chart 3 1 +125 3.30 5.0 3.6 5.5 45 4.5 6.0 15.5 20.0 30.0 40.0 5 6 C See “How to Order” Chart V 5.0V mA ps 3.3V 5.0V 3.3V North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014 Specifications are subject to change without notice 1 VFH2121-VFH2124, VFH2221-VFH2224 VFH2521-VFH2524, VFH2621-VFH2624 XO Hi-Rel, 5.0V, 3.3V 5x7mm SMD, HCMOS/TTL Electrical Specifications Parameter Symbol Waveform Symmetry Condition Min Measured at 50% VDD Typ Max Unit Note 48/52 45/55 45/55 % 5.0V 3.3V CMOS, 15pF, from 0.4 to (VDD-0.4) V Rise / Fall Time TR/TF “Zero” Level 4 CMOS, 15pF, 20% to 80% (<60MHz) 20% to 80% (≥60MHz) CMOS, 30pF, 20% to 80% (<60MHz) 20% to 80% (≥60MHz) CMOS, 50pF, 20% to 80% (<60MHz) 3.0 2.0 4.0 2.5 4.0 3.0 5.0 4.5 6.0 8.0 Sinking 16mA 5.0V ns 3.3V 0.4 V Output Level “One” Level Input Requirement for Pin 1 Sourcing 8mA VDD-0.4 “1”: On-Pin 1 may float or 2.4V min., sourcing 400 microAmp “0”: Disable or Tristate-Pin 1 requires 0.4V, sinking 400 microAmp Environmental and Mechanical Conditions Parameter Conditions Storage Temperature -55°C to +150°C Shock 1000 Gs, 0.35 ms, ½ sine wave, 3 shocks in each plane Vibration Humidity Leak Case Pads Resistance to Solvents Marking 10-2000 Hz of 0.06” d.a. or 20Gs, whichever is less Resistant to 85° R.H. at 85°C Per MIL-STD-883, Method 1014, Condition A and Condition C Hermetically sealed ceramic LCC 15 microinch of gold over nickel Per MIL-STD-202, Method 215 Epoxy ink or laser engraved North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014 Specifications are subject to change without notice 2 VFH2121-VFH2124, VFH2221-VFH2224 VFH2521-VFH2524, VFH2621-VFH2624 XO Hi-Rel, 5.0V, 3.3V 5x7mm SMD, HCMOS/TTL Models FIXED OUTPUT TRISTATE 3.3V 5.0V 3.3V 5.0V Operating Temperature Frequency Stability VFH2121 VFH2521 VFH2221 VFH2621 -55C to +85C ±25 ppm VFH2122 VFH2522 VFH2222 VFH2622 -55C to +85C ±50 ppm VFH2123 VFH2523 VFH2223 VFH2623 -55C to +125C ±75 ppm VFH2124 VFH2524 VFH2224 VFH2624 -55C to +125C ±50 ppm Marking Specification How to Order VFH – 2121 2121 is model type 40M 40M Frequency in MHz Model Number Product Code VFHXX 40.000 YWWx Date Code Frequency In MHz Manufacturer’s Code Package Pin Assignment Pin VFH2121-VFH2124 VFH2521-VFH2524 VFH2221-VFH2224 VFH2621-VFH2624 1 N/C Tristate 2 Ground 3 Output 4 VDD North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014 Specifications are subject to change without notice 3 VFH2121-VFH2124, VFH2221-VFH2224 VFH2521-VFH2524, VFH2621-VFH2624 XO Hi-Rel, 5.0V, 3.3V 5x7mm SMD, HCMOS/TTL Recommended Reflow Soldering Profile Table 1 Each unit undergoes screening for product level B class 2 oscillators by MIL-PRF-55310 Internal Visual Stabilization Bake Temperature Cycling Constant Acceleration Fine Leak Gross Leak Burn-in MIL-STD-883 Method 1008, COND. B MIL-STD-883 Method 1010, COND. B MIL-STD-883 Method 2001, COND. A MIL-STD-883 Method 1014, COND. A MIL-STD-883 Method 1014, COND. C MIL-STD-883 Method 1015, COND. B (125°C for 160 hours with bias) Thermal Characteristics Thermal Resistance From Junction to Case, RØjc 16 °C/Watt Surface Mount Application These packages are designed for reflow soldering in accordance with recommended profiles. For handsoldering, the temperature of the iron should not exceed 400°C for three seconds. Electrical test at 25°C Current Frequency at max VDD Rise Time Frequency at min VDD Fall Time “Zero” logic level Duty Cycle “One” logic level Tristate Frequency at 25°C and frequency verification at temperature extremes Serialized test data on each unit available upon request for additional cost. North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014 Specifications are subject to change without notice 4 VFH2121-VFH2124, VFH2221-VFH2224 VFH2521-VFH2524, VFH2621-VFH2624 XO Hi-Rel, 5.0V, 3.3V 5x7mm SMD, HCMOS/TTL TABLE 2 Reliability Test Procedures and Conditions for Quartz Crystal Oscillators B. 1. Group A Electrical Characteristics at 25°C Frequency at nominal supply voltage and endpoints Input current Symmetry (Duty Cycle) Zero/One levels Rise/Fall times Frequency (verify frequency at the temperature extremes) Physical Dimensions Length/width Height Package finish (Corrosion, discoloration, etc.) Marking placement/legibility 2. Group B 1000 hrs at or above 125°C, nominal voltage, proper load (sample size by MIL -PRF-55310 table 6, max. aging within 15 years requirement without catastrophic failures) Subgroup 2: 4 pcs (One-half of Subgroup 1) Condition Method 1011 COND. B Description Thermal Shock Liq. To liq. 15 cycles MIL-STD-202 Method 105 COND. B Altitude, 3.44 inch Hg. 12 hrs Frequency Output waveform MIL-STD-883 Method 1004 Moisture resist. with supply voltage applied 25°C to 65°C, 90 to 100% RH, 10 cycles Frequency Output waveform MIL-STD-202 Method 210 COND. A Resistance to Frequency Solder Heat Output waveform Immersion @350ºC 3.5 sec 3. Group C- All units have passed Group A testing A. Subgroup 1: 8 pcs. C. End Point Measurement Frequency Output waveform Standard MIL-STD-883 Condition Method 2002 COND.B Description Mechanical Shock 1500 g’s, 0.5ms 5 drops, 6 axis MIL-STD-883 Method 2007 COND. A Vibration, var. freq. 20 g’s, 0.06” disp., 2020, 000-20 Hz Frequency Output waveform MIL-STD-883 Method 2003 Solderability Visual 95% Coverage End point Measurement Frequency Output waveform Standard MIL-STD-883 Subgroups 3: 4 pcs. (One half of Subgroup 1) Standard Condition Storage Temp. No. Oper Description 24 hrs. @ -55°C 24 hrs. @ 125°C End point Measurement Frequency Output waveform MIL-STD-883 Method 1009 COND. A Salt Atmosphere 24 hrs. @ 35°C 0.5-3.0% Solution Frequency Output waveform Visual MIL-STD-883 Method 1014 COND. A Method 1014 COND. C Fine Leak Qs <5 X10 MIL-STD-883 Gross Leak -8 Visual in 125°C Detector fluid Test data is available for additional cost. North America: +1-800-757-6686 • International: +1-508-435-6831 • Asia: +65-655-17551 • www.ctscorp.com • RevH1014 Specifications are subject to change without notice 5