DS8922, DS8922A, DS8923A www.ti.com SNLS373B–JUNE1998–REVISEDAPRIL2013 DS8922/DS8922A/DS8923A TRI-STATE RS-422 Dual Differential Line Driver and Receiver Pairs CheckforSamples:DS8922,DS8922A,DS8923A FEATURES 1 DESCRIPTION • 12nsTypicalPropagationDelay 2 The DS8922/22A and DS8923A are Dual Differential • OutputSkew—±0.5nsTypical Line Driver and Receiver pairs. These devices are • MeetstheRequirementsofEIAStandardRS- designed specifically for applications meeting the 422 ST506, ST412 and ESDI Disk Drive Standards. In • ComplementaryDriverOutputs addition, the devices meet the requirements of the EIAStandardRS-422. • HighDifferentialorCommon-ModeInput VoltageRangesof±7V These devices offer an input sensitivity of 200 mV over a ±7V common mode operating range. • ±0.2VReceiverSensitivityovertheInput Hysteresis is incorporated (typically 70 mV) to VoltageRange improve noise margin for slowly changing input • ReceiverInputFail-SafeCircuitry waveforms. An input fail-safe circuit is provided such • ReceiverInputHysteresis—70mVtypical that if the receiver inputs are open the output assumesthelogicalonestate. • GlitchFreePowerUp/Down • TRI-STATEOutputs The DS8922A and DS8923A drivers are designed to provide unipolar differential drive to twisted pair or parallel wire transmission lines. Complementary outputs are logically ANDed and provide an output skew of 0.5 ns (typ.) with propagation delays of 12 ns. Both devices feature TRI-STATE outputs. The DS8922/22A have independent control functions common to a driver and receiver pair. The DS8923A hasseparatedriverandreceivercontrolfunctions. Power up/down circuitry is featured which will TRI- STATEtheoutputsandpreventerroneousglitcheson the transmission lines during system power up or powerdownoperation. The DS8922/22A and DS8923A are designed to be compatiblewithTTLandCMOS. 1 Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet. Alltrademarksarethepropertyoftheirrespectiveowners. 2 PRODUCTIONDATAinformationiscurrentasofpublicationdate. Copyright©1998–2013,TexasInstrumentsIncorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarilyincludetestingofallparameters.

DS8922, DS8922A, DS8923A SNLS373B–JUNE1998–REVISEDAPRIL2013 www.ti.com Thesedeviceshavelimitedbuilt-inESDprotection.Theleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoam duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates. DS8922ADual-In-Line TopView SeePackageNumberD(R-PDSO-G16)orNFG0016E DS8923ADual-In-Line TopView SeePackageNumberD(R-PDSO-G16)orNFG0016E 2 SubmitDocumentationFeedback Copyright©1998–2013,TexasInstrumentsIncorporated ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A www.ti.com SNLS373B–JUNE1998–REVISEDAPRIL2013 DS8922/22A EN1 EN2 RO1 RO2 DO1 DO2 0 0 ACTIVE ACTIVE ACTIVE ACTIVE 1 0 HI-Z ACTIVE HI-Z ACTIVE 0 1 ACTIVE HI-Z ACTIVE HI-Z 1 1 HI-Z HI-Z HI-Z HI-Z DS8923A DEN REN RO1 RO2 DO1 DO2 0 0 ACTIVE ACTIVE ACTIVE ACTIVE 1 0 ACTIVE ACTIVE HI-Z HI-Z 0 1 HI-Z HI-Z ACTIVE ACTIVE 1 1 HI-Z HI-Z HI-Z HI-Z Absolute Maximum Ratings (1)(2) SupplyVoltage 7V DriveInputVoltage −0.5Vto+7V OutputVoltage 5.5V ReceiverOutputSinkCurrent 50mA ReceiverInputVoltage ±10V DifferentialInputVoltage ±12V MaximumPackagePowerDissipation@+25°C DPackage 1300mW NFGPackage 1450mW DerateDPackage10.4mW/°Cabove+25°C DerateNFGPackage11.6mW/°Cabove+25°C StorageTemperatureRange −65°Cto+165°C LeadTemp.(Soldering,4seconds) 260°C ESDRating(HBM) 2000V+ (1) “AbsoluteMaximumRatings”arethosevaluesbeyondwhichthesafetyofthedevicecannotbeensured.Theyarenotmeanttoimply thatthedeviceshouldbeoperatedattheselimits.TheTableofElectricalCharacteristicsprovidesconditionsforactualdeviceoperation. (2) IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheTexasInstrumentsSalesOffice/Distributorsforavailabilityand specifications. Recommended Operating Conditions Min Max Units SupplyVoltage 4.5 5.5 V Temperature(T ) 0 70 °C A Copyright©1998–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 3 ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A SNLS373B–JUNE1998–REVISEDAPRIL2013 www.ti.com DS8922/22A and DS8923A Electrical Characteristics(1)(2)(3) Symbol Conditions Min Typ Max Units RECEIVER V −7V≤V ≤+7V −200 ±35 +200 mV TH CM V −7V≤V ≤+7V 15 70 mV HYST CM R V =−7V,+7V(OtherInput=GND) 4.0 6.0 kΩ IN IN I V =10V 3.25 mA IN IN V =−10V −3.25 mA IN V V =MIN,I =−400μA 2.5 V OH CC OH V V =MAX,I =8mA 0.5 V OL CC OL I V =MAX,V =0V −15 −100 mA SC CC OUT DRIVER V V =MIN,I =−20mA 2.5 V OH CC OH V V =MIN,I =+20mA 0.5 V OL CC OL I V =0V,V =5.5V 100 μA OFF CC OUT |VT|–|VT| 0.4 V VT 2.0 V |V –V | 0.4 V OS OS I V =MAX,V =0V −30 −150 mA SC CC OUT DRIVERandRECEIVER I V =2.5V 50 μA OZ OUT TRI-STATE V =MAX V =0.4V −50 μA CC OUT Leakage I V =MAX ACTIVE 76 mA CC CC TRI-STATE 78 mA DRIVERandENABLEINPUTS V 2.0 V IH V 0.8 V IL I V =MAX,V =0.4V −40 −200 μA IL CC IN I V =MAX,V =2.7V 20 μA IH CC IN I V =MAX,V =7.0V 100 μA I CC IN V V =MIN,I =−18mA −1.5 V CL CC IN (1) Allcurrentsintodevicepinsareshownaspositivevalues;allcurrentsoutofthedeviceareshownasnegative;allvoltagesare referencedtogroundunlessotherwisespecified.Allvaluesshownasmaxorminareclassifiedonabsolutevaluebasis. (2) AlltypicalvaluesareV =5V,T =25°C. CC A (3) Onlyoneoutputatatimeshouldbeshorted. Receiver Switching Characteristics (Figure 1) (Figure 2) (Figure 2) Parameter Conditions Min Typ Max Units 8922 8922A/23A T CL=30pF 12 22.5 20 ns pLH T CL=30pF 12 22.5 20 ns pHL |T –T | CL=30pF 0.5 5 3.5 ns pLH pHL Skew(ChanneltoChannel) CL=30pF 0.5 3.0 2.0 ns T CL=15pFS2Open 15 ns pLZ T CL=15pFS1Open 15 ns pHZ T CL=30pFS2Open 20 ns pZL T CL=30pFS1Open 20 ns pZH 4 SubmitDocumentationFeedback Copyright©1998–2013,TexasInstrumentsIncorporated ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A www.ti.com SNLS373B–JUNE1998–REVISEDAPRIL2013 Driver Switching Characteristics Parameter Conditions Min Typ Max Units 8922 8922A/23A SINGLEENDEDCHARACTERISTICS(Figure4,Figure5,Figure6,andFigure8) T CL=30pF 12 15 15 ns pLH T CL=30pF 12 15 15 ns pHL T CL=30pF 5 10 10 ns TLH T CL=30pF 5 10 10 ns THL |T –T | CL=30pF 0.5 ns pLH pHL Skew CL=30pF (1) 0.5 5 3.5 ns Skew(ChanneltoChannel) 0.5 3.0 2.0 ns T CL=30pF 15 ns pLZ T CL=30pF 15 ns pHZ T CL=30pF 20 ns pZL T CL=30pF 20 ns pZH DIFFERENTIALSWITCHINGCHARACTERISTICS (2),(Figure4) T CL=30pF 12 15 15 ns pLH T CL=30pF 12 15 15 ns pHL |T –T | CL=30pF 0.5 6.0 2.75 ns pLH pHL (1) Differencebetweencomplementaryoutputsatthe50%point. (2) DifferentialDelaysaredefinedascalculatedresultsfromsingleendedriseandfalltimemeasurements.Thisapproachinestablishing ACperformancespecificationshasbeentakenduetolimitationsofavailableAutomaticTestEquipment(ATE).ThecalculatedATE resultsassumealineartransitionbetweenmeasurementpointsandarearesultofthefollowing equations: Where: Tcp=CrossingPoint Tra,Trb,TfaandTfbaretimemeasurementswithrespecttothe input. Switching Time Waveforms AC Test Circuits and Switching Waveforms Figure1. Copyright©1998–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 5 ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A SNLS373B–JUNE1998–REVISEDAPRIL2013 www.ti.com Figure2. Figure3. S1 S2 S3 T Closed Open +2.5V PLZ T Open Closed −2.5V PHZ T Closed Open +2.5V PZL T Open Closed −2.5V PZH Figure4. Figure5. 6 SubmitDocumentationFeedback Copyright©1998–2013,TexasInstrumentsIncorporated ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A www.ti.com SNLS373B–JUNE1998–REVISEDAPRIL2013 Figure6. Figure7. Figure8. Copyright©1998–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 7 ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A SNLS373B–JUNE1998–REVISEDAPRIL2013 www.ti.com Typical Performance Characteristics (DS8923A) DriverV vsI OH OH vsTemperature DriverV vsI vsV OH OH CC Figure9. Figure10. DriverV vsI vsTemperature DriverV vsI vsV OL OL OL OL CC Figure11. Figure12. ReceiverV vsI OH OH vsTemperature ReceiverV vsI vsV OH OH CC Figure13. Figure14. 8 SubmitDocumentationFeedback Copyright©1998–2013,TexasInstrumentsIncorporated ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A www.ti.com SNLS373B–JUNE1998–REVISEDAPRIL2013 Typical Performance Characteristics (continued) (DS8923A) ReceiverV vsI vsTemperature ReceiverV vsI vsV OL OL OL OL CC Figure15. Figure16. DriverDifferentialPropagationDelayvs Temperature DriverDifferentialPropagationDelayvsV CC Figure17. Figure18. ReceiverPropagationDelay vs Temperature ReceiverPropagationDelayvsV CC Figure19. Figure20. Copyright©1998–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 9 ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A SNLS373B–JUNE1998–REVISEDAPRIL2013 www.ti.com Typical Performance Characteristics (continued) (DS8923A) DriverV OD vs Temperature DriverV vsV OD CC Figure21. Figure22. DriverDifferentialTransitionTime vs DriverV vsR Temperature OD L Figure23. Figure24. SupplyCurrentvs DriverDifferentialTransitionTimevsV Temperature CC Figure25. Figure26. 10 SubmitDocumentationFeedback Copyright©1998–2013,TexasInstrumentsIncorporated ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A www.ti.com SNLS373B–JUNE1998–REVISEDAPRIL2013 Typical Performance Characteristics (continued) (DS8923A) I CC vs SupplyCurrentvsV DriverSwitchingFrequency CC Figure27. Figure28. DriverShortCircuitCurrent vsTemperature DriverShortCircuitCurrentvsV CC Figure29. Figure30. ReceiverShortCircuit Current vs Temperature ReceiverShortCircuitCurrentvsV CC Figure31. Figure32. Copyright©1998–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 11 ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A SNLS373B–JUNE1998–REVISEDAPRIL2013 www.ti.com TYPICAL APPLICATIONS Figure33. ESDIApplication Figure34. Figure35. ST504andST412Applications Figure36. 12 SubmitDocumentationFeedback Copyright©1998–2013,TexasInstrumentsIncorporated ProductFolderLinks:DS8922 DS8922A DS8923A

DS8922, DS8922A, DS8923A www.ti.com SNLS373B–JUNE1998–REVISEDAPRIL2013 REVISION HISTORY ChangesfromRevisionA(April2013)toRevisionB Page • ChangedlayoutofNationalDataSheettoTIformat.......................................................................................................... 12 Copyright©1998–2013,TexasInstrumentsIncorporated SubmitDocumentationFeedback 13 ProductFolderLinks:DS8922 DS8922A DS8923A

PACKAGE OPTION ADDENDUM www.ti.com 25-Aug-2017 PACKAGING INFORMATION Orderable Device Status Package Type Package Pins Package Eco Plan Lead/Ball Finish MSL Peak Temp Op Temp (°C) Device Marking Samples (1) Drawing Qty (2) (6) (3) (4/5) DS8922AM/NOPB LIFEBUY SOIC D 16 48 Green (RoHS CU SN Level-1-260C-UNLIM 0 to 70 DS8922AM & no Sb/Br) DS8922AMX/NOPB LIFEBUY SOIC D 16 2500 Green (RoHS CU SN Level-1-260C-UNLIM 0 to 70 DS8922AM & no Sb/Br) DS8923AM/NOPB LIFEBUY SOIC D 16 48 Green (RoHS CU SN Level-1-260C-UNLIM 0 to 70 DS8923AM & no Sb/Br) DS8923AN/NOPB LIFEBUY PDIP NFG 16 25 Pb-Free CU SN Level-1-NA-UNLIM 0 to 70 DS8923AN (RoHS) (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based flame retardants must also meet the <=1000ppm threshold requirement. (3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device. (5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Device Marking for that device. (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and Addendum-Page 1

PACKAGE OPTION ADDENDUM www.ti.com 25-Aug-2017 continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 2

MECHANICAL DATA N0016E N16E (Rev G) www.ti.com

None

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