REVISIONS REVISION - DESCRIPTION DATE APPROVED Initial release SPECIFICATION CONTROL DRAWING PREPARED BY UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. TOLERANCES: 3 PLACE DECIMAL = .005 2 PLACE DECIMAL = .02 DATE E.Jackson CHECKED BY DATE C.Hooper RELEASED BY Hybrid Voltage Controlled Crystal Oscillator, +5V, Class S, Detail Specification For DRAWING NO. 1 PLACE DECIMAL = .1 FRACTIONS = 1/16 ANGLES = 2 DEGREES Q-TECH CORPORATION 10150 W. JEFFERSON BLVD. CULVER CITY, CA. 90232-3510 REV. QT725C DATE SCALE: SIZE CAGE CODE NONE A 51774 T.Mitchell Sheet 1 of 5 1 SCOPE 1.1 Scope. This specification establishes the detail requirements for hybrid, hermetically sealed, crystal oscillators for use in space flight missions. 1.2 Part number. The part number shall be as specified in Table I herein. 2 APPLICABLE DOCUMENTS 2.1 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 REQUIREMENTS 3.1 General requirements. The individual item requirements shall be as specified in the General Specification with the exceptions, modifications, and additions specified herein. 3.2 Approved manufacturer. Hybrid crystal oscillators shall be supplied from the manufacturer specified in paragraph 7.1 herein. 3.3 Design and construction. 3.3.1. Outline dimensions and terminal connections. The outline dimensions and terminal connections shall be as shown in Figure 1 herein. 3.3.2. Package body and lead finish. The package body and lead finish shall be gold in accordance with MIL-PRF-38534. 3.3.3. 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. 3.3.3.1 CMOS microcircuit usage. For frequencies below 12 MHZ the output microcircuit shall be Intersil Corporation 54ACS/HCS family, Silicon on Sapphire CMOS technology. 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-cm2/mg. For output frequencies from 12 MHZ to 100 MHZ, the manufacturer shall be ST Microelectronics Corporation; for output frequencies greater than or equal to 100 MHZ, the manufacturer shall be National Semiconductor Corporation. 3.4 Performance requirements. 3.4.1. Maximum ratings. The maximum ratings shall be as specified in Table II herein. 3.4.2. Electrical performance characteristics and limits. The electrical performance requirements and limits shall be in accordance with Table III herein. 3.4.3. Delta limits. Except for frequency aging (refer to Table III), delta limits shall be in accordance with the General Specification. 3.4.4. 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. 4 QUALITY ASSURANCE PROVISIONS Q-Tech Corporation 10150 W. Jefferson Blvd. Culver City, CA. 90232 Specification number: QT725C rev Sheet 2 of 5 4.1 General. The quality assurance provisions shall be in accordance with the General Specification with the exceptions, modifications, and additions specified herein. 4.2 Screening tests. The screening tests shall be in accordance with the General Specification. 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. 5 PACKAGING 5.1 Preservation, packaging and packing. Hybrid crystal oscillators shall be prepared for delivery in accordance with the General specification. 6 NOTES 6.1 Notes. The notes of the General Specification are applicable to this drawing. 6.2 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. 6.3 Part number. QT725 C B M - 16.000000 MHZ Model # Supply voltage: C: + 5.0 volts Temp stability - see Table I Screening: E: engineering model; M: flight model Frequency (8 digits) TABLE I. STABILITY / TEMPERATURE OPTIONS OPTION TEMP STABILITY B 50 PPM, - 55 C TO + 125 C D 40 PPM, - 55 C TO + 105 C E 30 PPM, - 40 C TO + 85 C 7 SOURCE OF SUPPLY 7.1 Approved manufacturer. Q-Tech Corporation 10150 W. Jefferson Blvd. Culver City, Ca. 90232 U.S.A. Parameter Supply voltage Control voltage Operating temperature Storage temperature Lead solder temperature/time Package thermal resistance Q-Tech Corporation 10150 W. Jefferson Blvd. Culver City, CA. 90232 TABLE II. MAXIMUM Symbol VCC VC TC Tstg jc RATINGS Min 0 0 -55 -65 Max 7 7 125 150 250/10 50 Units Volts Volts C C C/seconds C/W Specification number: QT725C rev Sheet 3 of 5 TABLE Ill. ELECTRICAL PERFORMANCE CHARACTERISTICS ELECTRICAL PARAMETER LIMITS TEST CONDITIONS 2/,3/ MIN. FREQUENCY RANGE AVAILABLE NOM. 0.05 FREQUENCY/TEMPERATURE STABILITY INITIAL FREQUENCY ACCURACY FREQUENCY DEVIATION NOTES MAX. UNITS 150 MHz See Table I Vc = 2.5 volts (center) T = +25C 2 C 0 < Vc < 5 -55C < T < +125C 1/ 25 125 CONTROL VOLTAGE (Vc) RANGE 0 TUNING SCALE FACTOR, AVERAGE 40 TRANSFER FUNCTION CONTROL VOLTAGE INPUT IMPEDANCE 50 SUPPLY VOLTAGE 4.5 PPM 4/ Vdc 60 PPM/VOLT 5/ - LINEARITY DC 4/ 5 Positive MODULATION BANDWIDTH PPM 10 % 10 kHz k 5 5.5 Vdc Less than 12 MHZ 12 MHZ - 59.99 MHZ 12 25 mA mA 60 MHZ - 99.99 MHZ 45 mA 100 MHZ - 150 MHZ 60 mA - 7/ VCC x 0.1 Vdc 6/ Vdc 6/ Output frequency: INPUT CURRENT Measured without load at 5.5 Vdc LOAD CMOS OUTPUT VOLTAGE - LOGIC "0" OUTPUT VOLTAGE - LOGIC "1" VCC x 0.9 OUTPUT WAVEFORM Squarewave N/A Output frequency: RISE / FALL TIME Below 12 MHZ 7 nS 7/ 12 MHZ - 100 MHZ 3.5 nS 7/ >= 100 MHZ 2.5 nS 7/ DUTY CYCLE 60/40 % FREQUENCY AGING (AFTER 30 DAYS) 70 C 3C 1.5 ppm FREQUENCY AGING (AFTER 1 YEAR) 70 C 3C 10 ppm 10 ms STARTUP TIME NOTES 1. 2. 3. 4. 5. 6. 7. The limit for frequency/temperature stability shall be referenced to the output frequency at 25 C with Vc = any constant value within the control voltage range. Unless otherwise specified, the limits are over the full operating temperature range and under specified load conditions. Unless otherwise specified, all measurements are in accordance with MIL-PRF-55310. Referenced to nominal output frequency. Up to 30 days after shipment (does not include Aging). Center tuning voltage is defined as Vc = 2.5 volts. Slope of linear estimate (least squares) for 0 < Vc < 5V. Voltage values are with respect to network ground terminal. 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: QT725C rev Sheet 4 of 5 ESD SYMBOL FOR PIN NO. 1 Q-TECH USA PART NUMBER FREQUENCY LOT DATE CODE SERIAL NUMBER .150 max. .060 20X .045 20 X .010 .002 VIEW FROM TOP .625 .005 .495 min. 2. places 18X .050 NON-ACCUMULATIVE 10 11 9 12 8 13 7 14 6 15 5 16 4 17 3 18 2 19 1 20 2X .450 .625.005 2X .0875 20 X .015 .003 VIEW FROM BOTTOM NOTES: 1. 2. 3. Dimensions are in inches. Lead numbers are for reference only and are not marked on the unit. All pins with function NC may not be connected as external tie or connections, except they may be tied to Ground. TERMINAL CONNECTIONS TERMINAL NO. 1 2 3 4 5 6 7 8 9 10 CONNECTION Vc N/C N/C N/C N/C N/C N/C N/C N/C GND/CASE TERMINAL NO. 11 12 13 14 15 16 17 18 19 20 CONNECTION OUTPUT GND/CASE * V CC N/C GND/CASE * N/C N/C N/C N/C N/C * Additional optional Ground connections are included only when microcircuit used is 54AC00 (see paragraph 3.3.3.1), and may be connected to circuit ground plane for minimum overshoot/ringing when driving capacitive loads. FIGURE 1. PACKAGE DIMENSIONS AND TERMINAL CONNECTIONS Q-Tech Corporation 10150 W. Jefferson Blvd. Culver City, CA. 90232 Specification number: QT725C rev Sheet 5 of 5