LEADLESS CHIP CARRIER
Q-TECH
CORPORATION
CRYSTAL CLOCK OSCILLATORS
1.8 to 15Vdc - 732.4Hz to 125MHz
Description
Q-Tech’s Leadless Chip Carrier crystal oscillators
consist of a source clock square wave generator, logic
output buffers and/or logic divider stages, and a round
AT high-precision quartz crystal built in a ceramic true
SMD package.
Features
• Made in the USA
• ECCN: EAR99
• DFARS 252-225-7014 Compliant:
Electronic Component exemption
• USML Registration # M17677
• Wide frequency range from 732.4Hz to 125MHz
• Available as QPL MIL-PRF-55310/19 (QT66T), /20
(QT62T), and /29 (QT66HCD)
• Choice of packages and pin outs
• Choice of supply voltages
• Choice of output logic options ( CMOS, ACMOS,
HCMOS, LVHCMOS, TTL, ECL, PECL, and
LVPECL)
• AT-Cut crystal
• True SMD hermetically sealed package
• Tight or custom symmetry available
• Low height available
• External tuning capacitor option
• Fundamental and third overtone designs
• Tristate function option D
• Four-point crystal mounts
• Custom design available tailors to meet customer’s
needs
• Q-Tech does not use pure lead or pure tin in its
products
• RoHS compliant
Ordering Information
Model #
C
AC
HC
T
L
N
R
Z
=
=
=
=
=
=
=
=
QTXX — XX — D — XX — M — 60.000MHz
Tristate Option D
(Left blank if no Tristate)
CMOS +5V to +15V *
ACMOS +5V
HCMOS +5V
TTL +5V
LVHCMOS + 3.3V
LVHCMOS + 2.5V
LVHCMOS + 1.8V
Z output
(*) Please specify supply voltage when ordering CMOS
(**) Require an external capacitor
For frequency stability vs. temperature options not listed herein, please request a
custom part number.
1
3**
4
5
6
9
10
11
12
=
=
=
=
=
=
=
=
=
Screened to
MIL-PRF-55310,level B
(Left blank if no screening)
±
±
±
±
±
±
±
±
±
100ppm
5ppm
50ppm
25ppm
50ppm
50ppm
100ppm
50ppm
100ppm
at
at
at
at
at
at
at
at
at
0ºC
0ºC
0ºC
-20ºC
-55ºC
-55ºC
-55ºC
-40ºC
-40ºC
Output frequency
to +70ºC
to +50ºC
to +70ºC
to +70ºC
to +105ºC
to +125ºC
to +125ºC
to +85ºC
to +85ºC
Applications
• Designed to meet today’s requirements for all voltage
applications
• Wide military clock applications
• Industrial controls
• Microcontroller driver
• Package material (Header): 90% AL2O3 , (Metalization): Tungsten
• Lead finish:
Gold Plated – 50µ ~ 80µ inches
Nickel Underplate – 100µ ~ 250µ inches
• Cover: Kovar, Gold Plated – 60µ ~ 90µ inches
Nickel Underplate – 50µ ~ 100µ inches
With attached Preform – 80% Au, 20% Sn
• Package to lid attachment: Seam weld
Package Information
For Non-Standard requirements, contact Q-Tech Corporation at
Sales@Q-Tech.com
Packaging Options
• Standard packaging in anti-static plastic tube
• Optional Tape and Reel
• Solder Dip Sn/Pb 60/40%
• P. I. N. D. test
• J-leads attached
Other Options Available For An Additional Charge
Specifications subject to change without prior notice.
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-t ec h.com
Leadless Chip Carrier (Revision C, July 2008) (ECO# 9357)
1
LEADLESS CHIP CARRIER
Electrical Characteristics
Parameters
Output freq. range (Fo)
Supply voltage (Vdd)
Freq. stability (∆F/∆T)
Storage temp. (Tsto)
QT62, 70
QT71
QT66
CORPORATION
Q-TECH
CRYSTAL CLOCK OSCILLATORS
1.8 to 15Vdc - 732.4Hz to 125MHz
C
AC
HC
T
L (*)
732.4Hz — 15MHz
100kHz — 15MHz
5V ~ 15Vdc ± 10%
732.4Hz — 15MHz
100kHz — 85MHz
5.0Vdc ± 10%
732.4Hz — 85MHz
732.4Hz — 85MHz
732.4Hz — 85MHz
732.4Hz — 125MHz
100kHz — 125MHz
3.3Vdc ± 10%
Operating temp. (Topr)
F and Vdd dependent
3 mA max. at 5V up to 5MHz
25 mA max. at 15V up to 15MHz
See Option codes
-62ºC to + 125ºC
See Option codes
732.4Hz ~ < 16MHz
16MHz ~ < 40MHz
40MHz ~ < 60MHz
60MHz ~
85MHz
45/55% max. Fo < 12MHz
40/60% max. Fo ≥ 12MHz
3 mA max. - 732.4Hz ~ < 500kHz
6 mA max. - 500kHz ~ < 16MHz
10 mA max. - 16MHz ~ < 32MHz
20 mA max. - 32MHz ~ < 60MHz
30 mA max. - 60MHz ~ < 100MHz
40 mA max. - 100MHz ~ 125MHz
Operating supply current
(Idd) (No Load)
Symmetry
(50% of ouput waveform or 1.4Vdc for
TTL)
Rise and Fall times
(with typical load)
Output Load
Start-up time (Tstup)
Output voltage (Voh/Vol)
Output Current (Ioh/Iol)
Enable/Disable
Tristate function Pin 1
Aging (at 70ºC)
20 mA max. -
25 mA max. -
35 mA max. -
45 mA max. -
45/55% max. Fo < 4MHz
40/60% max. Fo ≥ 4MHz
30ns max.
(Measured from 10% to 90%)
15pF // 10kΩ
15ns max. Fo < 15kHz
6ns max. Fo 15kHz ~ 39.999MHz
3ns max. Fo 40MHz ~ 160 MHz
(Measured from 10% to 90% CMOS or from 0.8V to 2.0V TTL)
10TTL Fo < 20MHz
6TTL Fo ≥ 20MHz
15pF // 10kΩ
10ms max.
0.9 x Vdd min.; 0.1 x Vdd max.
± 24mA
± 1mA typ. at 5V
± 6.8mA typ. at 15V
±8 mA
VIH ≥ 2.2V Oscillation;
VIL ≤ 0.8V High Impedance
2.4V min.; 0.4V max.
-1.6mA / TTL
+40µA / TTL
0.9 x Vdd min.; 0.1 x Vdd max.
± 4mA .
Call for details
Jitter RMS 1σ (at 25ºC)
8ps typ. - < 40MHz
5ps typ. - ≥ 40MHz
VIH ≥ 0.7 x Vdd Oscillation;
VIL ≤ 0.3 x Vdd High Impedance
15ps typ. - < 40MHz
8ps typ. - ≥ 40MHz
(*)
Z
Available in 2.5Vdc (N) or 1.8Vdc (R)
Output logic can drive up to 200 pF load with typical 6ns rise & fall times (tr, tf)
ECL, PECL, LVPECL are available. Please contact Q-Tech for details.
Q-TECH Corporation
-
± 5ppm max. first year / ± 2ppm typ. per year thereafter
10150 W. Jefferson Boulevard, Culver City 90232
-
Tel: 310-836-7900 - Fax: 310-836-2157
-
www.q-t ec h.c om
Leadless Chip Carrier (Revision C, July 2008) (ECO# 9357)
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LEADLESS CHIP CARRIER
Q-TECH
Package Configuration Versus Pin Connections
A
B
C
CORPORATION
CRYSTAL CLOCK OSCILLATORS
1.8 to 15Vdc - 732.4Hz to 125MHz
QT62
6
1 44
40
QT66
6
QT70
1
43
QT71
D
12
Q-TECH
P/N
FREQ.
D/C S/N
5
1 40
36
4
1 28
26
34
10
Q-TECH
P/N
FREQ.
D/C S/N
12
31
Q-TECH
P/N
FREQ.
D/C S/N
37
8
Q-TECH
P/N
FREQ.
D/C S/N
22
.085
MAX.
(2.16)
.085
MAX.
(2.16)
.085
MAX.
(2.16)
.085
MAX.
(2.16)
.025
(.635)
.020
(.508)
.020
(.508)
.025
(.635)
.040
(1.02)
.300
SQ.
(7.62)
.500
(12.70
SQ.
.050
(1.27)
.360
SQ.
(9.14)
.040
(1.02)
.440
SQ.
(11.18)
.050
(1.27)
.650
12
34
(16.51)
SQ.
10
31
.480
SQ.
(12.19)
12
37
.560
SQ.
(14.22)
8
22
.450
SQ.
(11.43)
4
5
1 40
36
.040
(1.02)
6
1 48
43
.040
(1.02)
1 28
26
.050
(1.27)
6
1 44
40
.050
(1.27)
Dimensions are in inches (mm)
QT # Conf
QT62
QT66
QT70
QT71
A
B
C
Vcc
GND
Case
34 & 40
31 & 37
44
Output
42
39
47
28
E/D
38
32
N/A
27
6 & 12 34 & 40
4 & 10 31 & 37
5
8
44
Equivalent
MIL-PRF-55310
Configuration
/19 = QT66T
/29 = QT66HCD
N/A
N/A
/20 = QT62T
D
22 & 26
22 & 26
Please contact factory for pin connections on external capacitor (code 3).
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-t ec h.com
Leadless Chip Carrier (Revision C, July 2008) (ECO# 9357)
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LEADLESS CHIP CARRIER
Q-TECH
Output Waveform (Typical)
SYMMETRY =
TH
T
Tr
VOH
Tf
Vdd
x 100%
CORPORATION
Tape and Reel
CRYSTAL CLOCK OSCILLATORS
1.8 to 15Vdc - 732.4Hz to 125MHz
1.75±0.1
0.3±.005
5º Max
ø1.5
2.0±0.1
4.0±0.1
5.5±0.1
0.9xVdd
0.5xVdd
Bo
0.1xVdd
VOL
TH
GND
Test Circuit
ø1.5
T
P
Ao
Ko
26
ø13.0±0.5
Typical test circuit for TTL logic.
Vdd
RL
+
mA
-
+
Vdc
-
0.1µF
or
0.01µF
Vdd OUT
OUT
E/D GND
CL
Rs
2.0
2.5
ø178±1
or
ø330±1
ø80±1
120º
+
POWER
SUPPLY
-
LOAD
6 TTL
10 TTL
CL(*)
12pF
20pF
RL
430Ω
270Ω
RS
10kΩ
6kΩ
(*) CL inclides the loading effect of the oscilloscope probe.
Dimensions are in mm. Tape is compliant to EIA-481-A.
QT#
QT62
Ground
Typical test circuit for CMOS logic
+ mA
+
Power
supply
-
+
Vdc
Vdd Out
0.1µF
or
E/D GND
0.01µF
Output
P
(mm)
20
16
16
Ao
(mm)
17
12.57
12.00
Bo
(mm)
17.30
12.57
12.00
Ko
(mm)
2.70
2.54
3.00
Reel size
Qty per reel
(Diameter in mm)
(pcs)
178mm
330mm
178mm
330mm
178mm
330mm
280
1200
280
1200
100
600
-
15pF
(*)
10k
QT66
QT71
Tristate Function
Frequency vs. Temperature Curve
50
40
Frequency Stability (PPM)
30
20
10
0
The Tristate function on pin 1 has a built-in pull-up resistor typical 50kΩ, so it
can be left floating or tied to Vdd without deteriorating the electrical performance.
(*) CL includes probe and jig capacitance
FREQUENCY STABILITY VS. TEMPERATURE QT66T-64.000MHz
-10
-20
-30
-40
-50
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30 35 40
45
Temperature (°C)
2_5
3_5
50
4_5
55
60
65
70
75
80
85
90
95
100 105 110 115 120 125
1_5
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-t ec h.com
Leadless Chip Carrier (Revision C, July 2008) (ECO# 9357)
4
24.0±0.3
LEADLESS CHIP CARRIER
Q-TECH
Thermal Characteristics
CORPORATION
CRYSTAL CLOCK OSCILLATORS
1.8 to 15Vdc - 732.4Hz to 125MHz
The heat transfer model in a hybrid package is described in
figure 1.
D/A epoxy
Die
D/A epoxy
45º
Heat
Hybrid Case
45º
Substrate
Heat spreading occurs when heat flows into a material layer of
increased cross-sectional area. It is adequate to assume that
spreading occurs at a 45° angle.
The total thermal resistance is calculated by summing the
thermal resistances of each material in the thermal path
between the device and hybrid case.
RT = R1 + R2 + R3 + R4 + R5
R1
R2
R3
R4
R5
Die
D/A epoxy
The total thermal resistance RT (see figure 2) between the heat
source (die) to the hybrid case is the Theta Junction to Case
(Theta JC) in°C/W.
(Figure 1)
Substrate
D/A epoxy
Hybrid Case
T
CA
• Theta junction to case (Theta JC) for this product is 30°C/W.
• Theta case to ambient (Theta CA) for this part is 100°C/W.
• Theta Junction to ambient (Theta JA) is 130°C/W.
Maximum power dissipation PD for this package at 25°C is:
• PD(max) = (TJ (max) – TA)/Theta JA
• With TJ = 175°C (Maximum junction temperature of die)
• PD(max) = (175 – 25)/130 = 1.15W
A
T
C
JC
T
J
Die
JC
CA
JA
(Figure 2)
Environmental Specifications
Q-Tech Standard Screening/QCI (MIL-PRF55310) is available for all of our Leadless Chip Carrier packages. Q-Tech can also
customize screening and test procedures to meet your specific requirements. The Leadless Chip Carrier packages are designed and
processed to exceed the following test conditions:
Environmental Test
Temperature cycling
Constant acceleration
Seal Fine Leak
Burn-in
Aging
Vibration sinusoidal
Shock, non operating
Thermal shock, non operating
Ambient pressure, non operating
Resistance to solder heat
Moisture resistance
Terminal strength
Resistance to solvents
Solderability
Test Conditions
MIL-STD-883, Method 1010, Cond. B
MIL-STD-883, Method 2001, Cond. A, Y1
MIL-STD-883, Method 1014, Cond. A
160 hours, 125°C with load
30 days, 70°C, ± 1.5ppm max
MIL-STD-202, Method 204, Cond. D
MIL-STD-202, Method 213, Cond. I
MIL-STD-202, Method 107, Cond. B
MIL-STD-202, 105, Cond. C, 5 minutes dwell time minimum
MIL-STD-202, Method 210, Cond. B
MIL-STD-202, Method 106
MIL-STD-202, Method 211, Cond. C
MIL-STD-202, Method 215
MIL-STD-202, Method 208
Please contact Q-Tech for higher shock requirements
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-t ec h.com
Leadless Chip Carrier (Revision C, July 2008) (ECO# 9357)
5
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