QT78L Series
3.3Vdc, SMD CERAMIC J-LEAD HIGH-RELIABILITY CLOCK OSCILLATORS
_______________________________________________________________________________________
FEATURES
•
Broad frequency range from 15 kHz to 160MHz.
•
Supply voltage 3.3Vdc.
•
LVCMOS logic.
•
Tri-State Output Option (D).
•
Low Phase Jitter.
•
J-Lead Hermetically sealed 0.550” x 0.350” package.
ELECTRICAL CHARACTERISTICS
PARAMETERS
Output frequency range (Fo)
Supply voltage (Vdd)
Frequency stability (? F/Fo)
Operating temperature (Topr)
Storage temperature (Tsto)
Operating supply current (Idd)
(No Load)
SPECIFICATIONS
15.000 k Hz – 160.000MHz
3.3Vdc ± 10%
See Option codes
See Option codes
-62°C to +125°C
6 mA max. (15kHz ~ < 15MHz)
10 mA max. (15MHz ~ < 32MHz)
20 mA max. (32MHz ~ < 60MHz)
30 mA max. (60MHz ~ < 100MHz)
40 mA max. (100MHz ~ < 130MHz)
50 mA max. (130MHz ~ 160MHz)
45/55% max. (15kHz ~ <15MHz); 40/60% max. (15MHz ~ 160MHz)
(Tighter symmetry available)
6ns max. (15kHz to < 40MHz)
3ns max. (40MHz ~ 160MHz)
15pF // 10kohms
(30pF max. for F = 50MHz)
5ms max.
0.9*Vdd min. ; 0.1*Vdd max.
Pin 1 VIH = 2.2V Oscillation; VIH = 0.8V High Impedance
15ps typ. (< 40MHz); 8ps typ. (= 40MHz)
± 5ppm/year max.
± 4ppm max.
Symmetry
(15pF, at 50% output level)
Rise and Fall times (Tr/Tf)
(at 3.3Vdc supply, 15pF //10kohms)
(Between 10% and 90% of output level)
Output load (CL)
Start-up time (Tstup)
Output voltage (Voh/Vol)
Enable/Disable Tristate function (add D)
Jitter RMS 1s
(at 25°C, 3.3Vdc supply)
Aging
(at 70°C)
Freq. vs. supply voltage tolerance (±10%)
ORDERING INFORMATION
QT78 L D 10 B M - 85.000MHz
Logic
L=
LVCMOS
Tristate Option
D
(Left blank if
Non Tristate)
Freq. stability vs. Temperature (**)
1
= ±100ppm at 0°C to +70°C
4
= ± 50ppm at 0°C to +70°C
5
= ± 25ppm at -20°C to +70°C
6
= ± 50ppm at -55°C to +105°C
9
= ± 50ppm at -55°C to +125°C
10
= ±100ppm at -55°C to +125°C (*)
11
= ± 50ppm at - 40°C to +85°C
12
= ±100ppm at - 40°C to +85°C
14
= ± 20ppm at -20°C to +70°C
15
= ± 25ppm at - 40°C to +85°C
(*) Q-Tech standard
Symmetry
B (45/55%)
(Left blank if
standard )
Screening option
M
(Designate M for Product Level B
MIL-PRF-55310 environmental
screening).
(Left blank if unscreened)
Page 1 of 2
Q-Tech Corporation
10150 West Jefferson Blvd. Culver City, CA 90232
Tel (310) 836 - 7900 Fax (310) 836 – 2157
Doc#078-002 Rev. A February 2006
www.q-tech.com
QT78L Series
3.3Vdc, SMD CERAMIC J-LEAD HIGH-RELIABILITY CLOCK OSCILLATORS
_______________________________________________________________________________________
For frequency stability vs. temperature options not listed herein, please request a custom part number.
Part numbering examples: QT78LD9M-100.000MHz; QT78L10-16.000MHz.
(**) Some temperature vs. frequency stability options may not be available at certain frequencies. Please call for details.
OUTLINE DRAWING
PIN NO.
1
2
3
4
FUNCTION
TRISTATE or NC
GND/CASE
OUTPUT
VDD
Dimensions: inch
Environmental Specifications:
Temperature cycling: MIL-STD-883, Method 1010, Cond. B.
Constant acceleration: MIL-STD-883, Method 2001, Cond. A, Y1.
Seal Fine Leak: MIL-STD-883, Method 1014, Cond. A.
Burn-in: 160 hours, 125°C with load.
Aging: 30 days, 70°C, ±1.5ppm max.
Vibration sinusoidal: MIL-STD-202, Method 204, Cond. D.
Shock, non operating: MIL-STD-202, Method 213, Cond. I.
Thermal shock, non operating: MIL-STD-202, Method 107, Cond. B.
Ambient pressure, non operating: MIL-STD-202, 105, Cond. C, 5 minutes dwell time minimum.
Resistance to solder heat: MIL-STD-202, Method 210, Cond. E.
Moisture resistance: MIL-STD-202, Method 106.
Terminal strength: MIL-STD-202, Method 211, Cond. C.
Resistance to solvents: MIL-STD-202, Method 215.
Solderability: MIL-STD-202, Method 208.
Standard packaging in Anti-Static Plastic Tube, unless otherwise specified.
Tape and Reel Packaging and leads solder dipped available.
Packaging quantity:
35pcs/tube.
1,000pcs/reel.
Remark: Specifications subject to change without prior notice.
Please contact our factory or visit our website,
www.q-tech.com,
for technical notes and updates.
Please contact us for variations on these specifications.
Page 2 of 2
Q-Tech Corporation
10150 West Jefferson Blvd. Culver City, CA 90232
Tel (310) 836 - 7900 Fax (310) 836 – 2157
Doc#078-002 Rev. A February 2006
www.q-tech.com
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