Table of Contents
Q-TECH
CORPORATION
QT625L XO DETAIL SPECIFICATION
Specification Control Drawing
Scope
Scope
Part Number
Applicable Documents
Specifications and Standards
Requirements
General Requirements
Approved Manufacturer
Design and Construction
Outline Dimensions and Terminal Connections
Package Body and Lead Finish
Active Devices
Performance Requirements
Maximum Ratings
Electrical Performance Characteristics and Limits
Delta Limits
Total Dose Radiation Limits
Quality Assurance Provisions
General
Screening Tests
Quality Conformance Inspection
Packaging
Preservation, Packaging and Packing
Notes
Ordering Information
Part Number
Table I.
Stability/Temperature Options
Source of Supply
Approved Manufacturer
Table II.
Maximum Ratings
Table III.
Electrical Performance Characteristics
Figure 1.
Package Dimensions and Terminal Connections
Q-TECH Corporation - 10150 W. Jefferson Boulevard, Culver City 90232 - Tel: 310-836-7900 - Fax: 310-836-2157 - www.q-t ec h.com
QT625L XO Detail Specification (Revision D, August 2008)
REVISIONS
REVISION
-
A
B
C
D
Initial release
Modify tr/tf spec limits to better reflect output buffer drive capability.
Clarify temperature stability definitions, Table I.
Modify paragraph 3.3.3 for clarification of microcircuit technology, SEL rating
Change to microcircuit manufacturer, paragraph 3.3.3
2-27-07
3-19-07
7/17/07
8/08/08
E.Jackson
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
E.Jackson
CHECKED BY
T.Villegas
RELEASED BY
8/8/08
DATE
10/9/08
DATE
HYBRID CRYSTAL OSCILLATOR +3.3V,
CLASS S, DETAIL SPECIFICATION FOR
DRAWING NO.
REV.
QT625L
SCALE:
SIZE
CAGE CODE
D
SHEET 1 of 5
M.Dao
10/15/08
NONE
A
51774
THIS DOCUMENT IS CONSIDERED PROPRIETARY TO Q-TECH CORPORATION
DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH CORPORATION APPROVAL
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 12 MHZ the output microcircuit shall be Intersil
Corporation 54ACS family, Silicon on Sapphire CMOS technology, from a wafer proven to be
radiation tolerant to 300 kRad (Si). For frequencies greater than or equal to 12 MHZ, the CMOS
microcircuit shall be 54AC00, see DSSC SMD 5962-87549. This microcircuit is specified to be
single
event latchup free
for LET up to 93 MeV-cm
2
/mg. For output frequencies from 12 MHZ to 70 MHZ,
the manufacturer shall be ST Microelectronics Corporation; for output frequencies greater than or
equal to 70 MHZ, the manufacturer shall be National Semiconductor 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.
3.4
3.4.1.
3.4.2.
3.4.3.
3.4.4.
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
Specification number:
QT625L rev. D
Sheet 2 of 5
THIS DOCUMENT IS CONSIDERED PROPRIETARY TO Q-TECH CORPORATION
DO NOT COPY OR DISTRIBUTE WITHOUT Q-TECH CORPORATION APPROVAL
4
4.1
4.2
4.3
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.
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.
QT625 L B M - 16.000000 MHZ
Model #
Supply voltage: L: + 3.3 volts
Temp stability - see Table I
Screening: E: engineering model; M: flight model
Frequency (8 digits)
TABLE I. STABILITY / TEMPERATURE OPTIONS *
OPTION
TEMP STABILITY
±
65 PPM, - 55 °C TO + 125 °C
A
±
50 PPM, - 55 °C TO + 125 °C
B
±
50 PPM, - 55 °C TO + 105 °C
C
±
40 PPM, - 55 °C TO + 105 °C
D
±
30 PPM, - 40 °C TO + 85 °C
E
±
50 PPM, - 20 °C TO + 70 °C
F
±
25 PPM, - 20 °C TO + 70 °C
G
±
5 PPM, 0 °C TO + 55 °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
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:
QT625L rev. D
Sheet 3 of 5
THIS DOCUMENT IS CONSIDERED PROPRIETARY TO Q-TECH CORPORATION
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
Max
7
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 3.63 Vdc
Output frequency:
Less than 12 MHZ
12 MHZ - 59.99 MHZ
60 MHZ - 99.99 MHZ
100 MHZ - 150 MHZ
LOAD
OUTPUT VOLTAGE - LOGIC "0"
OUTPUT VOLTAGE - LOGIC "1"
OUTPUT WAVEFORM
Output frequency:
RISE / FALL TIME
@ worst case, Vcc = 3.0, T = 125 °C
Below 70 MHZ
70 MHZ - 125 MHZ
> 125 MHZ
DUTY CYCLE
FREQUENCY AGING (AFTER 30 DAYS)
FREQUENCY AGING (AFTER 1 YEAR)
STARTUP TIME
70 °C ± 3 °C
70 °C ± 3 °C
60/40 or better
±1.5
±10
10
4
3
2.5
nS
nS
nS
%
ppm
ppm
ms
6/
6/
6/
V
CC
x
0.9
Squarewave
CMOS
V
CC
x 0.1
7
15
20
30
mA
mA
mA
mA
-
Vdc
Vdc
N/A
6/
5/
3
TEST CONDITIONS 2/, 3/
MIN.
2.5
LIMITS
NOM.
See Table I
3.3
3.6
Vdc
NOTES
UNITS
MHz
1/, 4/
MAX.
150
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.
2.
Unless otherwise specified, the limits are over the full operating temperature range and under specified load conditions.
3.
Unless otherwise specified, all measurements are in accordance with MIL-PRF-55310.
4.
Up to 30 days after shipment.
5.
Voltage values are with respect to network ground terminal.
6.
A standard CMOS load of 10 kOhm || 15 pF shall be used, except for frequencies greater than 125 MHZ, where the load
shall be 5 pF. See MIL-PRF-55310/26 for CMOS waveform measurement definitions.
Q-Tech Corporation
10150 W. Jefferson Blvd.
Culver City, CA. 90232
Specification number:
QT625L rev. D
Sheet 4 of 5
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