REVISIONS LTR DESCRIPTION DATE (YR-MO-DA) APPROVED A Changes in accordance with NOR 5962-R289-94. 94-10-17 M. A. Frye B Incorporate revision A NOR. Update drawing to current requirements. - drw 08-03-13 Robert M. Heber REV SHEET REV SHEET REV STATUS REV B B B B B B B B B B B OF SHEETS SHEET 1 2 3 4 5 6 7 8 9 10 11 PMIC N/A PREPARED BY Rick C. Officer STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 http://www.dscc.dla.mil CHECKED BY Charles E. Besore APPROVED BY THIS DRAWING IS AVAILABLE FOR USE BY ALL DEPARTMENTS AND AGENCIES OF THE DEPARTMENT OF DEFENSE Michael A. Frye DRAWING APPROVAL DATE MICROCIRCUIT, LINEAR, WIDEBAND, TWO QUADRANT ANALOG MULTIPLIER, MONOLITHIC SILICON 93-09-07 AMSC N/A REVISION LEVEL B SIZE CAGE CODE A 67268 SHEET DSCC FORM 2233 APR 97 1 OF 5962-93251 11 5962-E272-08 1. SCOPE 1.1 Scope. This drawing documents two product assurance class levels consisting of high reliability (device classes Q and M) and space application (device class V). A choice of case outlines and lead finishes are available and are reflected in the Part or Identifying Number (PIN). When available, a choice of Radiation Hardness Assurance (RHA) levels are reflected in the PIN. 1.2 PIN. The PIN is as shown in the following example: 5962 - 93251 Federal stock class designator \ RHA designator (see 1.2.1) 01 M E A Device type (see 1.2.2) Device class designator (see 1.2.3) Case outline (see 1.2.4) Lead finish (see 1.2.5) / \/ Drawing number 1.2.1 RHA designator. Device classes Q and V RHA marked devices meet the MIL-PRF-38535 specified RHA levels and are marked with the appropriate RHA designator. Device class M RHA marked devices meet the MIL-PRF-38535, appendix A specified RHA levels and are marked with the appropriate RHA designator. A dash (-) indicates a non-RHA device. 1.2.2 Device type. The device type identifies the circuit function as follows: Device type Generic number 01 Circuit function HA-2546 Two quadrant analog multiplier 1.2.3 Device class designator. The device class designator is a single letter identifying the product assurance level as follows: Device class Device requirements documentation M Vendor self-certification to the requirements for MIL-STD-883 compliant, nonJAN class level B microcircuits in accordance with MIL-PRF-38535, appendix A Q or V Certification and qualification to MIL-PRF-38535 1.2.4 Case outlines. The case outlines are as designated in MIL-STD-1835 as follows: Outline letter E 2 Descriptive designator Terminals GDIP1-T16 or CDIP2-T16 CQCC1-N20 16 20 Package style Dual-in-line Square leadless chip carrier 1.2.5 Lead finish. The lead finish is as specified in MIL-PRF-38535 for device classes Q and V or MIL-PRF-38535, appendix A for device class M. STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 2 1.3 Absolute maximum ratings. 1/ Supply voltage (VS) .......................................................................................... Differential input voltage (VID) .......................................................................... Output current (IOUT)......................................................................................... Power dissipation (PD): Case E.......................................................................................................... Case 2 .......................................................................................................... Lead temperature (soldering, 10 seconds)....................................................... Junction temperature (TJ)................................................................................. Storage temperature range .............................................................................. Thermal resistance, junction-to-ambient (θJA): Case E.......................................................................................................... Case 2 .......................................................................................................... Thermal resistance, junction-to-case (θJC) ....................................................... 35 V ±6 V 60 mA 1.31 W 2/ 1.42 W 2/ +275°C +175°C -65°C to +150°C 78°C/W 70°C/W See MIL-STD-1835 1.4 Recommended operating conditions. Supply voltage range (VS) ................................................................................ ±8 V to +15 V Operating ambient temperature range (TA) ...................................................... -55°C to +125°C 2. APPLICABLE DOCUMENTS 2.1 Government specification, standards, and handbooks. The following specification, standards, and handbooks form a part of this drawing to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATION MIL-PRF-38535 - Integrated Circuits, Manufacturing, General Specification for. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-883 MIL-STD-1835 - Test Method Standard Microcircuits. Interface Standard Electronic Component Case Outlines. DEPARTMENT OF DEFENSE HANDBOOKS MIL-HDBK-103 MIL-HDBK-780 - List of Standard Microcircuit Drawings. Standard Microcircuit Drawings. (Copies of these documents are available online at http://assist.daps.dla.mil/quicksearch/ or http://assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2 Order of precedence. In the event of a conflict between the text of this drawing and the references cited herein, the text of this drawing takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. ________ 1/ Stresses above the absolute maximum rating may cause permanent damage to the device. Extended operation at the maximum levels may degrade performance and affect reliability. 2/ Derating factor above TA = +75°C for case E is 13.1 mW/°C and for case 2 is 14.2 mW/°C. STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 3 3. REQUIREMENTS 3.1 Item requirements. The individual item requirements for device classes Q and V shall be in accordance with MIL-PRF-38535 and as specified herein or as modified in the device manufacturer's Quality Management (QM) plan. The modification in the QM plan shall not affect the form, fit, or function as described herein. The individual item requirements for device class M shall be in accordance with MIL-PRF-38535, appendix A for non-JAN class level B devices and as specified herein. 3.2 Design, construction, and physical dimensions. The design, construction, and physical dimensions shall be as specified in MIL-PRF-38535 and herein for device classes Q and V or MIL-PRF-38535, appendix A and herein for device class M. 3.2.1 Case outlines. The case outlines shall be in accordance with 1.2.4 herein. 3.2.2 Terminal connections. The terminal connections shall be as specified on figure 1. 3.3 Electrical performance characteristics and postirradiation parameter limits. Unless otherwise specified herein, the electrical performance characteristics and postirradiation parameter limits are as specified in table I and shall apply over the full ambient operating temperature range. 3.4 Electrical test requirements. The electrical test requirements shall be the subgroups specified in table II. The electrical tests for each subgroup are defined in table I. 3.5 Marking. The part shall be marked with the PIN listed in 1.2 herein. In addition, the manufacturer's PIN may also be marked. For packages where marking of the entire SMD PIN number is not feasible due to space limitations, the manufacturer has the option of not marking the "5962-" on the device. For RHA product using this option, the RHA designator shall still be marked. Marking for device classes Q and V shall be in accordance with MIL-PRF-38535. Marking for device class M shall be in accordance with MIL-PRF-38535, appendix A. 3.5.1 Certification/compliance mark. The certification mark for device classes Q and V shall be a "QML" or "Q" as required in MIL-PRF-38535. The compliance mark for device class M shall be a "C" as required in MIL-PRF-38535, appendix A. 3.6 Certificate of compliance. For device classes Q and V, a certificate of compliance shall be required from a QML-38535 listed manufacturer in order to supply to the requirements of this drawing (see 6.6.1 herein). For device class M, a certificate of compliance shall be required from a manufacturer in order to be listed as an approved source of supply in MIL-HDBK-103 (see 6.6.2 herein). The certificate of compliance submitted to DSCC-VA prior to listing as an approved source of supply for this drawing shall affirm that the manufacturer's product meets, for device classes Q and V, the requirements of MIL-PRF-38535 and herein or for device class M, the requirements of MIL-PRF-38535, appendix A and herein. 3.7 Certificate of conformance. A certificate of conformance as required for device classes Q and V in MIL-PRF-38535 or for device class M in MIL-PRF-38535, appendix A shall be provided with each lot of microcircuits delivered to this drawing. 3.8 Notification of change for device class M. For device class M, notification to DSCC-VA of change of product (see 6.2 herein) involving devices acquired to this drawing is required for any change that affects this drawing. 3.9 Verification and review for device class M. For device class M, DSCC, DSCC's agent, and the acquiring activity retain the option to review the manufacturer's facility and applicable required documentation. Offshore documentation shall be made available onshore at the option of the reviewer. 3.10 Microcircuit group assignment for device class M. Device class M devices covered by this drawing shall be in microcircuit group number 49 (see MIL-PRF-38535, appendix A). STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 4 TABLE I. Electrical performance characteristics. Test Input offset voltage Symbol VIO Conditions 1/ -55°C ≤ TA ≤ +125°C unless otherwise specified Group A subgroups VCM = 0 V for (VY) pins (VZ) pins, VX pins = 0 V, VY pins = 0 V Input bias current IIB VCM = 0 V for (VY) pins IIO VCM = 0 V for (VY) pins Common mode voltage range Output voltage swing Output current +10 2, 3 -15 +15 1 -2 +2 2, 3 -15 +15 1, 2, 3 -15 +15 -15 +15 2, 3 -20 +20 1 -2 +2 2, 3 -5 +5 -2 +2 2, 3 -3 +3 1 -2 +2 2, 3 -3 +3 01 1 VCM = 0 V for (VX) pins Common mode rejection ratio -10 1 VCM = 0 V for (VX) pins Input offset current Max 01 +CMRR VY = 0 V to +5 V, VX = +2 V (VY) pins -CMRR VY = 0 V to +5 V, VX = +2 V (VY) pins +CMR VY = 0 V to +5 V -CMR VY = 0 V to -5 V +VOUT VY = +5 V, VX = +2.5 V -VOUT VY = -5 V, VX = +2.5 V +IOUT VY = +5 V, VX = +2.5 V -IOUT VY = -5 V, VX = +2.5 V 01 1, 2, 3 01 Unit Limits 2/ Min 1 VCM = 0 V for (VX) pins Device type mV µA µA 60 dB 60 1, 2, 3 01 5 V -5 1, 2, 3 01 5 V -5 1, 2, 3 01 20 mA -20 See footnotes at end of table. STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 5 TABLE I. Electrical performance characteristics - continued. Test Conditions 1/ -55°C ≤ TA ≤ +125°C unless otherwise specified Symbol Group A subgroups Device type Min Power supply rejection ratio Quiescent power supply current Multiplication error +PSRR ∆VS = 3 V, +V = +15 V, -V = -15 V, +V = +12 V, -V = -15 V, -PSRR ∆VS = 3 V, +V = +15 V, -V = -15 V, +V = +15 V, -V = -12 V, +ICC VX = VY = 0 V, IOUT = 0 mA -ICC VX = VY = 0 V, IOUT = 0 mA ME VY = ±5 V 1, 2, 3 01 Slew rate Overshoot 3/ Full power bandwidth Rise and fall time 1, 2, 3 01 29 mA -29 1 01 -3 +3 -5 +5 +5 1, 2, 3 01 -5 +SR VOUT = -5 V to +5 V 3/, 4/ 4, 5, 6 01 300 -SR VOUT = +5 V to -5 V 3/, 4/ +OS VOUT = -100 mV to +100 mV -OS VOUT = +100 mV to -100 mV FPBW VPEAK = 5 V 3/, 5/ 4, 5, 6 01 tR VOUT = -100 mV to +100 mV 3/, 4/ 9 01 tF dB 58 GA B pin shorted to GA C pin SF Max 58 2, 3 Scale factor error Unit Limits 2/ %FS % V/µs 300 4, 5, 6 01 30 % 30 VOUT = +100 mV to -100 mV 3/, 4/ 9.5 MHz 15 10, 11 17 9 15 10, 11 17 ns 1/ Unless otherwise specified, ±VS = ±15 V, load resistance (RL) = 1 kΩ, and capacitance load (CL) = 50 pF. 2/ The limiting terms “min” (minimum) and “max” (maximum) shall be considered to apply to magnitudes only. Negative current shall be defined as conventional current flow out of a device terminal. 3/ If not tested, shall be guaranteed to the limits specified under table I herein. 4/ Measured between 10% to 90% points. 5/ Full power bandwidth value is based the following equation: FPBW = Slew rate/(2πVPEAK). STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 6 Device type Case outline Terminal number 1 01 E 2 Terminal symbol GND NC 2 VREF GND 3 VYIOB VREF 4 VYIOA VYIOB 5 VY+ VYIOA 6 VY- NC 7 -VS VY+ 8 VOUT VY- 9 VZ+ -VS 10 VZ- VOUT 11 +VS NC 12 VX- VZ+ 13 VX+ VZ- 14 GA B +VS 15 GA C VX- 16 GA A NC 17 --- VX+ 18 --- GA B 19 --- GA C 20 --- GA A NC = No connection FIGURE 1. Terminal connections. STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 7 4. VERIFICATION 4.1 Sampling and inspection. For device classes Q and V, sampling and inspection procedures shall be in accordance with MIL-PRF-38535 or as modified in the device manufacturer's Quality Management (QM) plan. The modification in the QM plan shall not affect the form, fit, or function as described herein. For device class M, sampling and inspection procedures shall be in accordance with MIL-PRF-38535, appendix A. 4.2 Screening. For device classes Q and V, screening shall be in accordance with MIL-PRF-38535, and shall be conducted on all devices prior to qualification and technology conformance inspection. For device class M, screening shall be in accordance with method 5004 of MIL-STD-883, and shall be conducted on all devices prior to quality conformance inspection. 4.2.1 Additional criteria for device class M. a. Burn-in test, method 1015 of MIL-STD-883. (1) Test condition A, B, C, or D. The test circuit shall be maintained by the manufacturer under document revision level control and shall be made available to the preparing or acquiring activity upon request. The test circuit shall specify the inputs, outputs, biases, and power dissipation, as applicable, in accordance with the intent specified in method 1015. (2) TA = +125°C, minimum. b. Interim and final electrical test parameters shall be as specified in table II herein. 4.2.2 Additional criteria for device classes Q and V. a. The burn-in test duration, test condition and test temperature, or approved alternatives shall be as specified in the device manufacturer's QM plan in accordance with MIL-PRF-38535. The burn-in test circuit shall be maintained under document revision level control of the device manufacturer's Technology Review Board (TRB) in accordance with MIL-PRF-38535 and shall be made available to the acquiring or preparing activity upon request. The test circuit shall specify the inputs, outputs, biases, and power dissipation, as applicable, in accordance with the intent specified in method 1015 of MIL-STD-883. b. Interim and final electrical test parameters shall be as specified in table II herein. c. Additional screening for device class V beyond the requirements of device class Q shall be as specified in MIL-PRF-38535, appendix B. 4.3 Qualification inspection for device classes Q and V. Qualification inspection for device classes Q and V shall be in accordance with MIL-PRF-38535. Inspections to be performed shall be those specified in MIL-PRF-38535 and herein for groups A, B, C, D, and E inspections (see 4.4.1 through 4.4.4). 4.4 Conformance inspection. Technology conformance inspection for classes Q and V shall be in accordance with MIL-PRF-38535 including groups A, B, C, D, and E inspections and as specified herein. Quality conformance inspection for device class M shall be in accordance with MIL-PRF-38535, appendix A and as specified herein. Inspections to be performed for device class M shall be those specified in method 5005 of MIL-STD-883 and herein for groups A, B, C, D, and E inspections (see 4.4.1 through 4.4.4). STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 8 TABLE II. Electrical test requirements. Test requirements Interim electrical parameters (see 4.2) Final electrical parameters (see 4.2) Group A test requirements (see 4.4) Group C end-point electrical parameters (see 4.4) Group D end-point electrical parameters (see 4.4) Group E end-point electrical parameters (see 4.4) Subgroups (in accordance with MIL-PRF-38535, table III) Subgroups (in accordance with MIL-STD-883, method 5005, table I) Device class M Device class Q Device class V 1 1 1 1, 2, 3, 4, 5, 6 1/ 1, 2, 3, 4, 5, 6 1/ 1, 2, 3, 4, 5, 6 1/ 1, 2, 3, 4, 5, 6, 9, 10, 11 1/, 2/ 1, 2, 3, 4, 5, 6, 9, 10, 11 1/, 2/ 1, 2, 3, 4, 5, 6, 9, 10, 11 1/, 2/ 1 1 --- 1 1 1 --- --- --- 1/ PDA applies to subgroup 1. 2/ Subgroups 9, 10, and 11, if not tested, shall be guaranteed to the limits specified under table I herein. 4.4.1 Group A inspection. a. Tests shall be as specified in table II herein. b. Subgroups 7 and 8 in table I, method 5005 of MIL-STD-883 shall be omitted 4.4.2 Group C inspection. The group C inspection end-point electrical parameters shall be as specified in table II herein. 4.4.2.1 Additional criteria for device class M. Steady-state life test conditions, method 1005 of MIL-STD-883: a. Test condition A, B, C, or D. The test circuit shall be maintained by the manufacturer under document revision level control and shall be made available to the preparing or acquiring activity upon request. The test circuit shall specify the inputs, outputs, biases, and power dissipation, as applicable, in accordance with the intent specified in method 1005 of MIL-STD-883. b. TA = +125°C, minimum. c. Test duration: 1,000 hours, except as permitted by method 1005 of MIL-STD-883. 4.4.2.2 Additional criteria for device classes Q and V. The steady-state life test duration, test condition and test temperature, or approved alternatives shall be as specified in the device manufacturer's QM plan in accordance with MIL-PRF-38535. The test circuit shall be maintained under document revision level control by the device manufacturer's TRB in accordance with MIL-PRF-38535 and shall be made available to the acquiring or preparing activity upon request. The test circuit shall specify the inputs, outputs, biases, and power dissipation, as applicable, in accordance with the intent specified in method 1005 of MIL-STD883. STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 9 4.4.3 Group D inspection. The group D inspection end-point electrical parameters shall be as specified in table II herein. 4.4.4 Group E inspection. Group E inspection is required only for parts intended to be marked as radiation hardness assured (see 3.5 herein). a. End-point electrical parameters shall be as specified in table II herein. b. For device classes Q and V, the devices or test vehicle shall be subjected to radiation hardness assured tests as specified in MIL-PRF-38535 for the RHA level being tested. For device class M, the devices shall be subjected to radiation hardness assured tests as specified in MIL-PRF-38535, appendix A for the RHA level being tested. All device classes must meet the postirradiation end-point electrical parameter limits as defined in table I at TA = +25°C ±5°C, after exposure, to the subgroups specified in table II herein. 5. PACKAGING 5.1 Packaging requirements. The requirements for packaging shall be in accordance with MIL-PRF-38535 for device classes Q and V or MIL-PRF-38535, appendix A for device class M. 6. NOTES 6.1 Intended use. Microcircuits conforming to this drawing are intended for use for Government microcircuit applications (original equipment), design applications, and logistics purposes. 6.1.1 Replaceability. Microcircuits covered by this drawing will replace the same generic device covered by a contractor prepared specification or drawing. 6.1.2 Substitutability. Device class Q devices will replace device class M devices. 6.2 Configuration control of SMD's. All proposed changes to existing SMD's will be coordinated with the users of record for the individual documents. This coordination will be accomplished using DD Form 1692, Engineering Change Proposal. 6.3 Record of users. Military and industrial users should inform Defense Supply Center Columbus (DSCC) when a system application requires configuration control and which SMD's are applicable to that system. DSCC will maintain a record of users and this list will be used for coordination and distribution of changes to the drawings. Users of drawings covering microelectronic devices (FSC 5962) should contact DSCC-VA, telephone (614) 692-0544. 6.4 Comments. Comments on this drawing should be directed to DSCC-VA , Columbus, Ohio 43218-3990, or telephone (614) 692-0547. STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 10 6.5 Abbreviations, symbols, and definitions. The abbreviations, symbols, and definitions used herein are defined in MIL-PRF-38535 and MIL-HDBK-1331 and as follows: GND Ground. VREF Voltage reference. VYIOB Input offset voltage adjust B for signal channel. VYIOA Input offset voltage adjust A for signal channel. VY+ Positive differential signal channel input. VY- Negative differential signal channel input. -VS Negative supply voltage. VOUT Output voltage. VZ+ Positive differential input. VZ- Negative differential input. +VS Positive supply voltage. VX- Negative differential control channel input. VX+ Positive differential control channel input. GA B Gain adjust B (scale factor). GA C Gain adjust C (scale factor). GA A Gain adjust A (scale factor). 6.6 Sources of supply. 6.6.1 Sources of supply for device classes Q and V. Sources of supply for device classes Q and V are listed in QML-38535. The vendors listed in QML-38535 have submitted a certificate of compliance (see 3.6 herein) to DSCC-VA and have agreed to this drawing. 6.6.2 Approved sources of supply for device class M. Approved sources of supply for class M are listed in MIL-HDBK-103. The vendors listed in MIL-HDBK-103 have agreed to this drawing and a certificate of compliance (see 3.6 herein) has been submitted to and accepted by DSCC-VA. STANDARD MICROCIRCUIT DRAWING DEFENSE SUPPLY CENTER COLUMBUS COLUMBUS, OHIO 43218-3990 DSCC FORM 2234 APR 97 SIZE 5962-93251 A REVISION LEVEL B SHEET 11 STANDARD MICROCIRCUIT DRAWING BULLETIN DATE: 08-03-13 Approved sources of supply for SMD 5962-93251 are listed below for immediate acquisition information only and shall be added to MIL-HDBK-103 and QML-38535 during the next revision. MIL-HDBK-103 and QML-38535 will be revised to include the addition or deletion of sources. The vendors listed below have agreed to this drawing and a certificate of compliance has been submitted to and accepted by DSCC-VA. This information bulletin is superseded by the next dated revision of MIL-HDBK-103 and QML-38535. DSCC maintains an online database of all current sources of supply at http://www.dscc.dla.mil/Programs/Smcr/. Standard microcircuit drawing PIN 1/ Vendor CAGE number Vendor similar PIN 2/ 5962-9325101MEA 3/ HA1-2546/883 5962-9325101M2A 3/ HA4-2546/883 1/ The lead finish shown for each PIN representing a hermetic package is the most readily available from the manufacturer listed for that part. If the desired lead finish is not listed contact the vendor to determine its availability. 2/ Caution. Do not use this number for item acquisition. Items acquired to this number may not satisfy the performance requirements of this drawing. 3/ Not available from an approved source. The last known supplier is listed below. Vendor CAGE number 34371 Vendor name and address Intersil Corporation 1001 Murphy Ranch Road Milpitas, CA 95035-6803 The information contained herein is disseminated for convenience only and the Government assumes no liability whatsoever for any inaccuracies in the information bulletin.