DS96F172M/DS96F174C/DS96F174MEIA-485/EIA-422Quad Differential DriversGeneral DescriptionThe DS96F172and the DS96F174are high speed quad differential line drivers designed to meet EIA-485Standards.The DS96F172and the DS96F174offer improved perfor-mance due to the use of L-FAST bipolar technology.The use of LFAST technology allows the DS96F172and DS96F174to operate at higher speeds while minimizing power con-sumption.The DS96F172and the DS96F174have TRI-STATE ®out-puts and are optimized for balanced multipoint data bus transmission at rates up to 15Mbps.The drivers have wide positive and negative common mode range for multipoint applications in noisy environments.Positive and negative current-limiting is provided which protects the drivers from line fault conditions over a +12V to −7.0V common mode range.A thermal shutdown feature is also provided.The DS96F172features an active high and active low Enable,common to all four drivers.The DS96F174features separate active high Enables for each driver pair.Featuresn Meets EIA-485and EIA-422standards n Monotonic differential output switching n TRI-STATE outputsn Designed for multipoint bus transmissionn Common mode output voltage range:−7.0V to +12V n Operates from single +5.0V supply n Reduced power consumption n Thermal shutdown protectionnDS96F172and DS96F174are lead and function compatible with the SN75172/174or the AM26LS31/MC3487n Military temperature range available n Qualified for MIL-STD-883Cn Standard military drawings available (SMD)nAvailable in DIP (J),LCC (E),and Flatpak (W)packagesLogic DiagramsDS96F17200962514DS96F17400962515Function Tables(Each Driver)DS96F172Input Enable Outputs A E E Y Z H H X H L L H X L H H X L H L LX L L H XLH ZZDS96F174Input Enable OutputsA E Y Z H H H L L H L H XLZZH =High Level L =Low Level X =Don’t CareZ =High Impedance (Off)TRI-STATE ®is a registered trademark of National Semiconductor Corporation.July 2000DS96F172M/DS96F174C/DS96F174M EIA-485/EIA-422Quad Differential Drivers©2004National Semiconductor Corporation Absolute Maximum Ratings COMMERCIAL (Note 2)Specifications for the 883version of this product are listed separately on the following pages.Storage Temperature Range (T STG )−65˚C to +175˚CLead Temperature (Soldering,60sec.)300˚C Maximum Package Power Dissipation (Note 1)at 25˚CCeramic DIP (J)1500mWSupply Voltage 7.0V Enable Input Voltage5.5VRecommended Operating ConditionsMin Typ Max UnitsSupply Voltage (V CC )DS96F174C 4.75 5.0 5.25V Common Mode −7.0+12.0VOutput Voltage (V OC )Output Current HIGH (I OH )−60mA Output Current LOW (I OL )60mAOperating Temperature (T A )DS96F174C+70˚CNote 1:Derate “J”package 10mW/˚C above 25˚C.Electrical Characteristics (Notes 3,4)Over recommended supply voltage and operating temperature range,unless otherwise specified Symbol ParameterConditionsMin Typ Max Units(Note 2)V IH Input Voltage HIGH 2.0V V IL Input Voltage LOW T A =0˚C to +70˚C 0.8V T A =−55˚C to +125˚C 0.7V OH Output Voltage HIGH I OH =−33mA T A =0˚C to +70˚C 3.0V V OL Output Voltage LOW I OL =33mA T A =0˚C to +70˚C2.0V V IC Input Clamp Voltage I I =−18mA −1.5V |V OD1|Differential Output Voltage I O =0mA6.0V |V OD2|Differential Output VoltageR L =54Ω,Figure 1T A =−55˚C1.22.0V1.5R L =100Ω,Figure 12.0 2.3V OD Differential Output VoltageFigure 2T A =0˚C to +70˚C 1.0V∆|V OD |Change in Magnitude of Differential R L =54Ωor 100Ω,−40˚C to +125˚C ±0.2V Output Voltage (Note 5)Figure 1−55˚C to +125˚C ±0.4V OC Common Mode Output Voltage (Note 6)R L =54Ωor 100Ω,Figure 1 3.0V ∆|V OC |Change in Magnitude of Common R L =54Ωor 100Ω,Figure 1±0.2V Mode Output Voltage (Note 5)I O Output Current with Power Off V CC =0V,V O =−7.0V to +12V ±50µA I OZ High Impedance State Output CurrentV O =−7.0V to +12V ±20±50µA I IH Input Current HIGH V I =2.4V 20µA I IL Input Current LOWV I =0.4V −50µA I OSShort Circuit Output Current V O =−7.0V −250(Note 7)V O =0V −150mAV O =V CC 150V O =+12V250I CC Supply Current (All Drivers)No LoadOutputs Enabled 50mAI CCXOutputs Disabled30D S 96F 172M /D S 96F 174C /D S 96F 174M 2COMMERCIALSwitching CharacteristicsV CC=5.0V,T A=25˚CSymbol Parameter Conditions Min Typ Max Units t DD Differential Output Delay Time R L=60Ω,Figure31520ns t TD Differential Output Transition Time1522ns t PLH Propagation Delay Time,R L=27Ω,Figure41216ns Low-to-High Level Outputt PHL Propagation Delay Time,1216ns High-to-Low Level Outputt ZH Output Enable Time to High Level R L=110Ω,FIgure42532ns t ZL Output Enable Time to Low Level R L=110Ω,Figure62532ns t HZ Output Disable Time from High Level R L=110Ω,Figure52530ns t LZ Output Disable Time from Low Level R L=110Ω,Figure62025ns t LZL Output Disable Time from Low Level Figure6300ns with Load Resistor to GND(Note8)t SKEW Driver Output to Output R L=60Ω 1.0 4.0ns Note2:“Absolute Maximum Ratings”are those values beyond which the safety of the device cannot be guaranteed.They are not meant to imply that the devices should be operated at these limits.The tables of“Electrical Characteristics”provide conditions for actual device operation.Note3:Unless otherwise specified min/max limits apply across the0˚C to+70˚C range for the DS96F174C.All typicals are given for V CC=5V and T A=25˚C. Note4:All currents into the device pins are positive;all currents out of the device pins are negative.All voltages are reference to ground unless otherwise specified. Note5:∆|V OD|and∆|V OC|are the changes in magnitude of V OD and V OC respectively,that occur when the input is changed from a high level to a low level. Note6:In EIA-422A and EIA-485standards,V OC,which is the average of the two output voltages with respect to ground,is called output offset voltage,V OS. Note7:Only one output at a time should be shorted.Note8:For more information see Application Bulletin,contact Product Marketing.Order Number:DS96F174CJDS96F174CNNS Package Number J16A or N16EDS96F172M/DS96F174C/DS96F174M3MIL-STD-883CAbsolute Maximum Ratings (Note 2)For complete Military Specifications,refer to the appro-priate SMD or MDS.Storage Temperature Range (T STG )−65˚C to +175˚CLead Temperature (Soldering,60sec.)300˚C Maximum Package Power Dissipation (Note 9)at 25˚CCeramic LCC (E)2000mW Ceramic DIP (J)1800mW Ceramic Flatpak (W)1000mWSupply Voltage 7.0V Enable Input Voltage5.5VRecommended Operating ConditionsMin TypMaxUnitsSupply Voltage (V CC )DS96F172M/DS96F174M 4.50 5.05.50V Common Mode −7.0+12.0VOutput Voltage (V OC )Output Current HIGH (I OH )−60mA Output Current LOW (I OL )60mAOperating Temperature (T A )DS96F172M/DS96F174M−55+125Note 9:Above T A =25˚C,derate “E”package 13.4,“J”package 12.5,“W”package 7.1mW/˚CElectrical Characteristics (Notes 3,4)Over recommended supply voltage and operating temperature range unless otherwise specified Symbol ParameterConditionsMin MaxUnits V IH Input Voltage HIGH 2.0V V IL Input Voltage LOW T A =25˚C0.8V T A =−55˚C,or +125˚C0.7V IC Input Clamp Voltage I I =−18mA −1.5V |V OD1|Differential Output Voltage I O =0mA6.0V|V OD2|Differential Output VoltageR L =54Ω,V CC =4.5V T A =−55˚C1.2Figure 1T A =25˚C,or +125˚C 1.5VR L =100Ω,V CC =4.5V,Figure 12.0∆|V OD |Change in Magnitude of Differential R L =54Ωor 100Ω,T A =25˚C,or +125˚C ±0.2V Output Voltage (Note 5)V CC =4.5V,Figure 1T A =−55˚C±0.4V V OC Common Mode Output Voltage (Note 6)R L =54Ωor 100Ω,Figure 13.0V ∆|V OC |Change in Magnitude of Common R L =54Ωor 100Ω,V CC =4.5V,Figure 1±0.2V Mode Output Voltage (Note 5)I O Output Current with Power Off V CC =0V,V O =−7.0V to +12V ±50µA I OZ High Impedance State Output Current V O =−7.0V to +12V ±50µA I IH Input Current HIGH V I =2.4V 20µA I IL Input Current LOWV I =0.4V −50µA I OSShort Circuit Output Current V O =−7.0V −250(Note 7)V O =0V −150mAV O =V CC 150V O =+12V250I CC Supply Current (All Drivers)No LoadOutputs Enabled 50mAI CCXOutputs Disabled30D S 96F 172M /D S 96F 174C /D S 96F 174M 4MIL-STD-883CSwitching CharacteristicsV CC =5.0V Symbol ParameterConditions T A =25˚C T A =55˚C T A =125˚CUnitsTyp Max Max Max t DD Differential Output Delay Time R L =60Ω,C L =15pF,15223030ns t TD Differential Output Transition Time Figure 315224040ns t PLH Propagation Delay Time,R L =27Ω,C L =15pF,12162525ns Low-to-High Level Output Figure 4t PHL Propagation Delay Time,12162525nsHigh-to-Low Level Output t ZH Output Enable Time to High Level R L =110Ω,Figure 525324040ns t ZL Output Enable Time to Low Level R L =110Ω,Figure 62535100100ns t HZ Output Disable Time from High Level R L =110Ω,Figure 5,25308080nsNote 13t LZ Output Disable Time from Low Level R L =110Ω,Figure 620254040ns t LZL Output Disable Time from Low Level Figure 6300nswith Load Resistor to GND (Note 12)t SKEWDriver Output to OutputR L =60Ω1.04.01010nsSMD Numbers:DS96F172MJ/8835962-9076501MEADS96F174MJ/8835962-9076502MEADS96F172ME/8835962-9076501M2A DS96F174MW/8835962-9076502MFA DS96F174ME/8835962-9076502M2AOrder Number:DS96F172MJ/883,DS96F174MJ/883NS Package Number J16ADS96F172ME/883,DS96F174ME/883NS Package Number E20ADS96F172MW-MIL,DS96F174MW/883NS Package Number W16AFor Complete Military Product Specifi-cations,refer to the appropriate SMD or MDS.Parameter Measurement Information00962503FIGURE 1.Differential and CommonMode Output Voltage00962513FIGURE 2.Differential Output Voltage withVarying Common Mode Voltage0096250400962505FIGURE 3.Differential Output Delay and Transition TimesDS96F172M/DS96F174C/DS96F174M5Parameter Measurement Information(Continued)Note 10:The input pulse is supplied by a generator having the following characteristics:f =1.0MHz,duty cycle =50%,t r ≤5.0ns,t f ≤5.0ns,Z O =50Ω.Note 11:C L includes probe and jig capacitance.Note 12:DS96F172with active high and active low Enables is shown.DS96F174has active high Enable only.Note 13:To test the active low Enable E of DS96F172ground E and apply an inverted waveform to E .DS96F174has active high Enable only.Note 14:For more information see Application Bulletin,Contact Product Marketing.Note 15:Not tested for DS96F172MW-MIL device.0096250600962507FIGURE 4.Propagation Delay Times0096250800962509FIGURE 5.t ZH and t HZ0096251000962511FIGURE 6.t ZL ,t LZ ,t LZLD S 96F 172M /D S 96F 174C /D S 96F 174M 6Typical Application00962512The line length should be terminated at both ends in its characteristic impedance.Stub lengths off the main line should be kept as short as possible.Connection Diagrams16-Lead Ceramic Dual-In-Line Package NS Package Number J16ADS96F17200962501Top ViewDS96F17400962502Top View20-Lead Ceramic Leadless Chip Carrier NS Package Number E20A00962518NC =No connectionTop View00962519Top ViewDS96F172M/DS96F174C/DS96F174M7Connection Diagrams(Continued)16-Lead Ceramic Flatpak NS Package Number W16A00962501Top View 00962502Top ViewOrder Numbers are located at the end of the respective Electrical Tables.D S 96F 172M /D S 96F 174C /D S 96F 174M 8Physical Dimensionsinches (millimeters)unless otherwise noted20-Lead Ceramic Leadless Chip Carrier (E)Order Number DS96F172ME/883,DS96F174ME/883NS Package Number E20A16-Lead Ceramic Dual-In-Line Package (J)Order Number DS96F172MJ/883,DS96F174CJ,DS96F174MJ/883NS Package Number J16ADS96F172M/DS96F174C/DS96F174M9Physical Dimensionsinches (millimeters)unless otherwise noted (Continued)16-Lead Ceramic Flatpack (W)Order Number DS96F172MW/883,DS96F174MW/883NS Package Number W16AMolded Dual-In-Line Package (N)Order Number DS96F174CN NS Package Number N16ED S 96F 172M /D S 96F 174C /D S 96F 174M 10NotesNational does not assume any responsibility for use of any circuitry described,no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.For the most current product information visit us at .LIFE SUPPORT POLICYNATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION.As used herein:1.Life support devices or systems are devices or systemswhich,(a)are intended for surgical implant into the body,or(b)support or sustain life,and whose failure to perform whenproperly used in accordance with instructions for use provided in the labeling,can be reasonably expected to result in a significant injury to the user.2.A critical component is any component of a life supportdevice or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system,or to affect its safety or effectiveness.BANNED SUBSTANCE COMPLIANCENational Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification(CSP-9-111C2)and the Banned Substances and Materials of Interest Specification(CSP-9-111S2)and contain no‘‘Banned Substances’’as defined in CSP-9-111S2.National Semiconductor Americas CustomerSupport CenterEmail:new.feedback@ Tel:1-800-272-9959National SemiconductorEurope Customer Support CenterFax:+49(0)180-5308586Email:europe.support@Deutsch Tel:+49(0)6995086208English Tel:+44(0)8702402171Français Tel:+33(0)141918790National SemiconductorAsia Pacific CustomerSupport CenterEmail:ap.support@National SemiconductorJapan Customer Support CenterFax:81-3-5639-7507Email:jpn.feedback@Tel:81-3-5639-7560 DS96F172M/DS96F174C/DS96F174M EIA-485/EIA-422 Quad Differential Drivers元器件交易网。
