REVISIONS
REVISION
-
A
B
C
Initial release
Change to microcircuit manufacturer, paragraph 3.3.3.1. Update frequency range, Table IIl
Para 2.1, remove referenced revision letter from general specification number
Change paragraph 3.3.3.1 for use of AC191, Table II maximum voltage, Table III frequency
range, current and tr/tf.
10/06/08
05/20/09
9/19/12
E.Jackson
C. Albright
C. Albright
DESCRIPTION
DATE
APPROVED
THIS DOCUMENT IS CONSIDERED PROPRIETARY TO Q-TECH CORPORATION
DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH CORPORATION APPROVAL
SPECIFICATION CONTROL DRAWING
PREPARED BY
DATE
Q-TECH CORPORATION
10150 W. JEFFERSON BLVD.
CULVER CITY, CA. 90232-3510
UNLESS OTHERWISE
SPECIFIED DIMENSIONS ARE
IN INCHES.
TOLERANCES:
3 PLACE DECIMAL = .005
2 PLACE DECIMAL = .02
1 PLACE DECIMAL = .1
FRACTIONS = ± 1/16
ANGLES = 2 DEGREES
Curtis Hooper
CHECKED BY
Minh Dao
RELEASED BY
Peter Steinblums
9/17/12
DATE
9/17/12
DATE
HYBRID CRYSTAL OSCILLATOR +5V, CLASS S,
DETAIL SPECIFICATION FOR
DRAWING NO.
QT641C
SIZE
CAGE CODE
REV.
C
SCALE:
9/20/12
NONE
A
51774
SHEET 1 of 5
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1
1.1
1.2
2
2.1
SCOPE
Scope. This specification establishes the detail requirements for hybrid, hermetically sealed, crystal
oscillators for use in space flight missions.
Part number. The part number shall be as specified in Table I herein.
APPLICABLE DOCUMENTS
Specifications and standards. Unless otherwise specified, the following documents shall be applicable
to this specification to the extent specified herein.
SPECIFICATIONS
401-0298-001
Hybrid Crystal Oscillators, Class S, General Specification For
3
3.1
3.2
3.3
3.3.1.
3.3.2.
3.3.3.
3.3.3.1
REQUIREMENTS
General requirements. The individual item requirements shall be as specified in the General
Specification with the exceptions, modifications, and additions specified herein.
Approved manufacturer. Hybrid crystal oscillators shall be supplied from the manufacturer specified in
paragraph 7.1 herein.
Design and construction.
Outline dimensions and terminal connections. The outline dimensions and terminal connections shall
be as shown in Figure 1 herein.
Package body and lead finish. The package body and lead finish shall be gold in accordance with
MIL-PRF-38534.
Active Devices. The microcircuit used in this part shall use CMOS technology and shall be from a
wafer proven to be radiation tolerant to 100 kRad (Si) total ionizing dose.
CMOS microcircuit usage. For frequencies below 16 MHZ the CMOS output microcircuit shall be
54AC191, see DSCC SMD 5962-89749. For frequencies greater than or equal to 16 MHZ, the CMOS
microcircuit shall be 54AC00, see DSCC SMD 5962-87549. These microcircuits are specified to be
single event latchup free
for LET up to 93 MeV-cm
2
/mg. The manufacturer shall be ST
Microelectronics Corporation.
Performance requirements.
Maximum ratings. The maximum ratings shall be as specified in Table II herein.
Electrical performance characteristics and limits. The electrical performance requirements and limits
shall be in accordance with Table III herein.
Delta limits. Except for frequency aging (refer to Table III), delta limits shall be in accordance with the
General Specification.
Total dose radiation limits. Hybrid crystal oscillators supplied in accordance with this specification shall
be capable of meeting the performance requirements after being exposed to 100 krad total dose
radiation levels.
QUALITY ASSURANCE PROVISIONS
General. The quality assurance provisions shall be in accordance with the General Specification with
the exceptions, modifications, and additions specified herein.
Screening tests. The screening tests shall be in accordance with the General Specification.
Specification number:
QT641C rev. C
Sheet 2 of 5
3.4
3.4.1.
3.4.2.
3.4.3.
3.4.4.
4
4.1
4.2
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
ITAR-CONTROLLED Q-TECH PROPRIETARY DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH APPROVAL
THIS DOCUMENT IS CONSIDERED PROPRIETARY TO Q-TECH CORPORATION
DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH CORPORATION APPROVAL
4.3
Quality Conformance Inspection. Quality Conformance Inspection shall be in accordance with the
General Specification and shall be required only when specified by the purchase order.
PACKAGING
Preservation, packaging and packing. Hybrid crystal oscillators shall be prepared for delivery in
accordance with the General specification.
NOTES
Notes. The notes of the General Specification are applicable to this drawing.
Ordering information. The procuring activity shall advise Q-Tech Corporation at the time of Request for
Quotation if quality conformance inspection is to be required.
Part number.
Model #
Supply voltage: C: + 5.0 volts
Temp stability - see Table I
Duty cycle: 1: 60/40%
2: 45/55% (available up to 100 MHz)
Screening: E: engineering model; M: flight model
Frequency (8 digits)
TABLE I. STABILITY / TEMPERATURE OPTIONS
OPTION
TEMP STABILITY
±
65 PPM, - 55 ° TO + 125 °
C
C
A
±
50 PPM, - 55 ° TO + 125 °
C
C
B
±
50 PPM, - 55 ° TO + 105 °
C
C
C
±
40 PPM, - 55 ° TO + 105 °
C
C
D
±
30 PPM, - 40 ° TO + 85 °
C
C
E
±
50 PPM, - 20 ° TO + 70 °
C
C
F
±
25 PPM, - 20 ° TO + 70 °
C
C
G
±
5 PPM, 0 ° TO + 55 °
C
C
H*
* Frequency/Temperature stability (tolerance) shall be referenced to the specified nominal output
frequency, except for temp code H, in which case it is with reference to room temperature (T = 25
±2°
C). For temp code H, room temperature tolerance shall be ±10 PPM.
5
5.1
6
6.1
6.2
6.3
QT641 C B 1 M - 16.000000 MHZ
7
7.1
SOURCE OF SUPPLY
Approved manufacturer.
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, Ca. 90232 U.S.A.
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
Specification number:
QT641C rev. C
Sheet 3 of 5
ITAR-CONTROLLED Q-TECH PROPRIETARY DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH APPROVAL
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DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH CORPORATION APPROVAL
Parameter
Supply voltage
Operating temperature
Storage temperature
Lead solder temperature/time
Package thermal resistance
TABLE II. MAXIMUM RATINGS
Symbol
Min
V
CC
0
T
C
-55
Tstg
-65
θ
jc
TEST CONDITIONS 2/,3/
MIN.
1
Max
6
125
150
250/10
50
Units
Volts
ºC
ºC
ºC/seconds
ºC/W
TABLE Ill. ELECTRICAL PERFORMANCE CHARACTERISTICS
ELECTRICAL PARAMETER
FREQUENCY RANGE
FREQUENCY/TEMPERATURE STABILITY
SUPPLY VOLTAGE
INPUT CURRENT
Measured without load at 5.5 Vdc
Output frequency:
< 10 MHZ
10 MHZ - 59.99 MHZ
60 MHZ - 100 MHZ
LOAD
OUTPUT VOLTAGE - LOGIC "0"
OUTPUT VOLTAGE - LOGIC "1"
OUTPUT WAVEFORM
RISE / FALL TIME
@ worst case, Vcc = 4.5, T = 125 °
C
Output frequency:
< 80 MHZ
> 80 MHZ
DUTY CYCLE (See Table I)
FREQUENCY AGING (AFTER 30 DAYS)
FREQUENCY AGING (AFTER 1 YEAR)
STARTUP TIME
Option 1:
Option 2:
70 ° ± 3°
C
C
70 ° ± 3°
C
C
60/40 or better
45/55 or better
±1.5
±10
10
3.5
2.5
nS
nS
%
%
ppm
ppm
ms
6/
6/
V
CC
x 0.9
Squarewave
CMOS
V
CC
x 0.1
15
25
45
mA
mA
mA
-
Vdc
Vdc
N/A
6/
5/
5/
4.5
LIMITS
NOM.
See Table I
5
5.5
Vdc
NOTES
UNITS
MHz
1/, 4/
MAX.
100
NOTES
1.
The limit for frequency/temperature stability (tolerance) shall be referenced to the specified nominal output frequency,
except for temp code H as noted above.
1.
Unless otherwise specified, the limits are over the full operating temperature range and under specified load conditions.
2.
Unless otherwise specified, all measurements are in accordance with MIL-PRF-55310.
3.
Up to 30 days after shipment.
4.
Voltage values are with respect to network ground terminal.
5.
A standard CMOS load of 10 kOhm || 15 pF shall be used. See MIL-PRF-55310/26 for CMOS waveform measurement
definitions.
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
Specification number:
QT641C rev. C
Sheet 4 of 5
ITAR-CONTROLLED Q-TECH PROPRIETARY DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH APPROVAL
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DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH CORPORATION APPROVAL
NOTES:
1. Dimensions are in inches.
2. Lead numbers are for reference only and are not marked on the unit.
3. A triangle symbol is marked on the corner of the package to indicate Pin 1.
4. All pins with function NC and/or ITP may not be connected as external tie or connections.
TERMINAL NO
1
7
CONNECTION
N/C
GND/CASE
TERMINAL NO
8
14
CONNECTION
OUTPUT
Vcc
PACKAGE DIMENSIONS AND TERMINAL CONNECTIONS
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
Specification number:
QT641C rev. C
Sheet 5 of 5
ITAR-CONTROLLED Q-TECH PROPRIETARY DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH APPROVAL
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