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Seagate ST973451SS SAS pin descriptions, SAS transmitters and receivers, TX Transmitter 100 TY

Models: ST936751SS ST973451SS

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Table 13: SAS pin descriptions

Table 13: SAS pin descriptions

Pin	Signal name	Signal type


S1	Port A Ground

S2*	+Port A_in	Diff. input pair

S3*	-Port A_in

S4	Port A Ground

S5*	-Port A_out	Diff output pair

S6*	+Port A_out

S7	Port A Ground

S8	Port B Ground

S9*	+Port B_in	Diff. input pair

S10	-Port B_in
*

S11	Port A Ground

S12	-Port B_out	Diff output pair
*

S13	+Port B_out
*

S14	Port B Ground

*- Short pin to support hot plugging NC - No connection in the drive.

9.4.6SAS transmitters and receivers

Pin	Signal name	Signal type


P1*	NC (reserved 3.3Volts)

P2*	NC (reserved 3.3Volts)

P3	NC (reserved 3.3Volts)

P4	Ground

P5	Ground

P6	Ground

P7	5 Volts charge

P8*	5 Volts

P9*	5 Volts

P10	Ground

P11	Ready LED	Open collector out
*

P12	Ground

P13	12 Volts charge

P14	12 Volts
*

P15	12 Volts
*

A typical SAS differential copper transmitter and receiver pair is shown in Figure 15. The receiver is AC cou- pling to eliminate ground shift noise.

TX

Transmitter

100

TY

Differential

Transfer Medium

.01

.01

RX

Receiver

100

RY

Figure 15. SAS transmitters and receivers

58	Savvio 15K SAS Product Manual, Rev. B

Image 66

Seagate ST973451SS manual SAS pin descriptions, SAS transmitters and receivers, TX Transmitter 100 TY, RX Receiver 100 RY

Contents

ST973451SS ST936751SS Savvio 15K SASPRODUCT MANUAL 100407739 Rev. BMarch 09/15/06 Revision status summary sheetRev. A Initial releaseSavvio 15K SAS Product Manual, Rev. B 5.0 Reliability specifications Contents4.0 Performance characteristics 6.0 Physical/electrical specifications10.0 Seagate Technology support services 7.0 Defect and error management8.0 Installation 9.0 Interface requirementsList of Figures Page 1.0 Scope Savvio 15K SAS Product Manual, Rev. B 2.1.1 Electromagnetic compatibility 2.0 Applicable standards and reference documentation2.1 Standards 2.1.1.1 Electromagnetic susceptibilityAustralian C-Tick 2.1.2 Electromagnetic complianceElectromagnetic compliance for the European Union Korean MICSpecification for Acoustic Test Requirement and Procedures 2.2 Reference documentsSCSI Commands Reference Manual SAS Interface Manual 2.1.3 European Union Restriction of Hazardous Substances RoHSSavvio 15K SAS Product Manual, Rev. B 3.0 General description 3.1 Standard features 3.2 Media description3.3 Performance 3.5 Formatted capacities 3.7 Factory-installed accessories3.4 Reliability 3.6 Programmable drive capacity3.8 Options 4.2 Seek performance characteristics 4.0 Performance characteristics4.1 Internal drive characteristics 4.2.1 Access time Gen 2.0 LP data4.2.2 Format command execution time General performance characteristics4.2.3 4.3 Start/stop time 4.4 Prefetch/multi-segmented cache control4.5 Cache operation 4.5.1 Caching write data 4.5.2 Prefetch operation5.1.1 Recoverable Errors 5.0 Reliability specifications5.1 Error rates 5.1.2 Unrecoverable Errors5.1.4 Interface errors 5.2 Reliability and service5.1.3 Seek errors 5.2.2 Preventive maintenanceFully-enabled delay Maximum processing delayOn-line only delay 5.2.4 S.M.A.R.T5.2.5 Thermal monitor Temperature Log Page 0DhPredictive failures Parameter Code5.2.6.2 Implementation 5.2.6.2.1 State of the drive prior to testing5.2.6.1 DST failure definition 5.2.6.2.2 Invoking DSTExtended test Function Code 010b 5.2.7 Product warrantyShort test Function Code 001b 5.2.6.2.4 Log page entriesShipping Product repair and return informationSavvio 15K SAS Product Manual, Rev. B 6.2 DC power requirements 6.0 Physical/electrical specifications6.1 AC power requirements Table 2 ST973451SS DC power requirementsST936751SS DC power requirements General DC power requirement notes6.2.3 Current profiles 6.2.2 Power sequencing6.2.1 Conducted noise immunity Figure 1. Typical ST973451SS current profileSavvio 15K SAS Product Manual, Rev. B Figure 2. Typical ST936751SS current profile6.3 Power dissipation ST973451SS in 3 Gbit operationST973451SS in 1.5 Gbit operation ST936751SS in 3 Gbit operation ST936751SS in 1.5 Gbit operation12 Vo lt A 6.4 Environmental limits 6.4.1 Temperature6.4.2 Relative humidity 6.4.3 Effective altitude sea level 6.4.4 Shock and vibration6.4.4.1 Shock Drop height Packaged/product weightPackage size Figure 8. Recommended mounting6.4.5 Air cleanliness 6.4.4.2 Vibration6.4.6 Corrosive environment 6.4.7 Acoustics 6.4.8 Electromagnetic susceptibility6.5 Mechanical specifications Figure 9. Mounting configuration dimensions7.0 Defect and error management 7.1 Drive internal defects/errors7.2 Drive error recovery procedures Maximum recovery time per 7.3 SAS system errorsTable 4 Read and write retry count maximum recovery times Maximum recovery time per7.4 Background Media Scan 7.5 Media Pre-Scan7.6 Deferred Auto-Reallocation 7.7 Idle Read After Write 8.0 Installation 8.1 Drive orientation8.2 Cooling Figure 11. Air flow8.3 Drive mounting 8.4 GroundingSavvio 15K SAS Product Manual, Rev. B 9.1.1 task management functions 9.1 SAS features9.0 Interface requirements SAS task management functions supported9.2 Dual port support 9.3 SCSI commands supported Commands supported by Savvio SAS family driveCommands supported by Savvio SAS family drive continued Commands supported by Savvio SAS family drive continued Commands supported by Savvio SAS family drive continued Savvio inquiry data 9.3.2 Mode Sense data9.3.1 Inquiry data Bytes4. Changeable values CHG = Changeable bits indicates if default value is changeable3. Current values Savvio 15K SAS Product Manual, Rev. BMODE DATA HEADER 03 fa 00 10 00 00 00 BLOCK DESCRIPTOR Savvio 15K SAS Product Manual, Rev. B 9.4 Miscellaneous operating features and conditions Miscellaneous featuresMiscellaneous status 9.4.1 SAS physical interface Figure 12. Physical interfaceFigure 13. SAS device plug dimensions C OF DATUM B LFigure 14. SAS device plug dimensions detail TO DATUM A9.4.4 Electrical description 9.4.2 Physical characteristics9.4.3 Connector requirements 9.4.5 Pin descriptionsTX Transmitter 100 TY Table 13 SAS pin descriptions9.4.6 SAS transmitters and receivers Differential Transfer MediumLED drive signal 9.5 Signal characteristics9.4.7 Power 9.5.2 Differential signals9.5.2.1 Eye masks 9.5.2.1.1 Eye masks overview Table 16 General interface characteristicsCharacteristic 9.5.2.1.2 Receive eye mask9.5.2.1.3 Jitter tolerance masks Figure 17. Reveive tolerance eye maskPeak-to 9.5.2.2 Transmitter signal characteristicsTable 17 Transmitter signal characteristics sinusoidalTable 18 Receiver signal characteristics Table 17 Transmitter signal characteristics9.5.2.3 Receiver signal characteristics a All tests in this table shall be performed with zero-length test load shown in figure9.5.2.3.2 Receiver jitter tolerance 9.5.2.3.1 JitterTable 19 Maximum allowable jitter 9.5.2.3.3 Compliant jitter test pattern CJTPAT9.5.2.3.4 Impedance specifications Table 21 Impedance requirements Sheet 1 of9.5.2.4.1 Transmitter characteristics Table 21 Impedance requirements Sheet 2 of9.5.2.4 Electrical TxRx connections = -5, 437dB = -10, 884dBTx+ TCTF Tx Figure 20. Zero-length test load Figure 21. ISI loss example at 3.0 GbpsFigure 22. ISI loss example at 1.5 Gbps 9.5.2.5 Receiver characteristics Savvio 15K SAS Product Manual, Rev. B Internet 10.0 Seagate Technology support servicesSeagate Service Centers Presales SupportEurope, the Middle East and Africa Support Services Customer Service OperationsUSA/Canada/Latin America support services Asia/Pacific Support ServicesNumerics IndexPage Page See also cooling Page Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number 100407739, Rev. B, Printed in USA