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Seagate ST9146853SS, ST9300653SS General DC power requirement notes, Conducted noise immunity

Models: ST9300453SS ST9146653SS ST9146853SS ST9300553SS ST9300653SS ST9146753SS

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General DC power requirement notes.

1.Minimum current loading for each supply voltage is not less than 1.7% of the maximum operating current shown.

2.The +5V and +12V supplies should employ separate ground returns.

3.Where power is provided to multiple drives from a common supply, careful consideration for individual drive power requirements should be noted. Where multiple units are powered on simultaneously, the peak starting current must be available to each device.

4.Parameters, other than spindle start, are measured after a 10-minute warm up.

5.No terminator power.

7.3.1Conducted noise immunity

Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz. Maximum allowed noise values given below are peak-to-peak measurements and apply at the drive power connector.

+5V	=	250 mV pp from 100 Hz to 20 MHz.
+12V	=	800 mV pp from 100 Hz to 8 KHz.
		450 mV pp from	8 KHz to 20 KHz.
		250 mV pp from	20 KHz to 5 MHz.

7.3.2Power sequencing

The drive does not require power sequencing. The drive protects against inadvertent writing during power-up and down.

26	Savvio 15K.3 SAS Product Manual, Rev. A

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Seagate ST9146853SS, ST9300653SS manual General DC power requirement notes, Conducted noise immunity, Power sequencing

Contents

Standard Models Self-Encrypting Drive Models ST9300653SSST9300553SS ST9146853SSST9146753SSST9300453SS ST9146653SS SED FIPS140-2 ModelsPage Contents About Fips About self-encrypting drives Defect and error managementInstallation Interface requirementsPage Savvio 15K.3 SAS Product Manual, Rev. a List of Figures Page Seagate Technology support services Seagate Online Support and Services Scope Electromagnetic compatibility Applicable standards and reference documentationStandards Electromagnetic susceptibility Australian C-Tick Electromagnetic complianceElectromagnetic compliance for the European Union Korean KCC European Union Restriction of Hazardous Substances RoHS Scsi Commands Reference Manual SAS Interface Manual Reference documents General description Standard features Media description Reliability PerformanceFormatted capacities Factory installed options Programmable drive capacity Seek performance characteristics Performance characteristicsInternal drive characteristics Access time General performance characteristics Format command execution timeStart/stop time Prefetch/multi-segmented cache control Cache operation Caching write data Prefetch operation Recoverable Errors Reliability specificationsError rates Unrecoverable Errors Interface errors Reliability and serviceSeek errors Preventive maintenance Controlling S.M.A.R.T Maximum processing delay4 S.M.A.R.T Performance impact Predictive failures Temperature Log Page 0Dh Parameter Code DescriptionThermal monitor DST failure definition State of the drive prior to testingDrive Self Test DST Implementation Extended test Function Code 010b Short and extended testsShort test Function Code 001b Log page entries Product repair and return information Product warrantyShipping Storage PowerChoiceTM power management Physical/electrical specificationsPowerChoice modes AC power requirements DC power requirements 300GB models DC power requirements Regulation 146GB models DC power requirements Power sequencing General DC power requirement notesConducted noise immunity Current profiles Current profile for 300GB models Current profile for 146GB models 300GB models in 6Gb operation Power dissipation300GB models in 3Gb operation 146GB models in 6Gb operation 146GB models in 3Gb operation Environmental limits Temperature a. OperatingRelative humidity Shock and vibration Effective altitude sea level a. OperatingShock Vibration a. Operating-normal Recommended mounting Corrosive environment Air cleanlinessAcoustics Mechanical specifications Dimensions Purpose About FipsLevel 2 security About self-encrypting drives Controlled accessAdmin SP Data encryption Drive locking Default passwordRandom number generator RNG Data bands Supported commands Authenticated firmware downloadPower requirements Cryptographic erase Drive internal defects/errors Defect and error managementDrive error recovery procedures SAS system errors Background Media Scan Deferred Auto-Reallocation Media Pre-ScanIdle Read After Write Levels of PI Setting and determining the current Type LevelProtection Information PI Identifying a Protection Information drive Installation Drive orientation Cooling Air flow Drive mounting Grounding SAS features Interface requirements Supported commands Scsi commands supportedDual port support Supported commands Supported commands Supported commands Inquiry data Mode Sense dataSavvio inquiry data Page Mode Data Header Mode Data Header Miscellaneous features Miscellaneous operating features and conditionsMiscellaneous status SAS physical interface Datum B Section C C Section a a Electrical description Physical characteristicsConnector requirements Pin descriptions SAS transmitters and receivers Signal characteristicsPower Ready LED Out Differential signals SAS-2 Specification complianceLED drive signal General interface characteristics Index NumericsPage Msid Mtbf See also cooling Page Savvio 15K.3 SAS Product Manual, Rev. a