Seagate ST373453LC manual Receive eye diagram Eye diagram data values Link rate GHz

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Figure 19 provides the data valid eye diagram for typical and minimum requirements to recover data at the specified interface error rate. The inputs are AC coupled on the drive.

Vin (mv)

941 ps

659 ps

376 ps

Typical

Minimum

Figure 19.

Receive eye diagram

 

 

Table 32:

Eye diagram data values

 

 

 

 

 

 

 

 

 

 

 

Link rate

 

 

 

 

 

 

 

 

 

 

 

1 GHz

2 GHz

4 GHz

 

 

 

 

 

 

Bit time

 

 

941 ps

470 ps

235 ps

 

 

 

 

 

 

XMIT eye

 

 

725 ps min.

315 ps min.

1581/1132

RCV eye

 

Typical

659 ps

305 ps

145 ps

 

 

 

 

 

 

Minimum

395 ps

226 ps

113 ps

 

 

 

 

 

 

 

 

1.Short Ideal load.

2.End of compliance channel.

Cheetah 15K.5 FC Product Manual, Rev. F

73

Image 81
Contents ST3300655FC ST3146855FC ST373455FC Cheetah 15K.5 FCPage Contents Defect and error management InstallationInterface requirements Seagate Technology support services Cheetah 15K.5 FC Product Manual, Rev. F List of Figures Page Scope Cheetah 15K.5 FC Product Manual, Rev. F Standards Applicable standards and reference documentationElectromagnetic compatibility Electromagnetic susceptibilityEuropean Union Restriction of Hazardous Substances RoHS Ncits TR-20 Reference documentsCheetah 15K.5 FC Product Manual, Rev. F General description Media description Standard featuresReliability PerformanceFormatted capacities Programmable drive capacityFactory-installed accessories Factory-installed optionsUser-installed accessories Internal drive characteristics Performance characteristicsSeek performance characteristics Access timeGeneral performance characteristics Format command execution time minutesStart/stop time Prefetch/multi-segmented cache controlCaching write data Cache operationPrefetch operation Error rates Reliability specificationsRecoverable Errors Unrecoverable ErrorsSeek errors Reliability and serviceInterface errors Preventive maintenanceControlling S.M.A.R.T 4 S.M.A.R.TPerformance impact MillisecondsDetermining rate Reporting controlPredictive failures Thermal monitorParameter Code Description State of the drive prior to testingDrive Self Test DST DST failure definitionShort and extended tests Invoking DSTShort test Function Code 001b Extended test Function Code 010bAbort Product warrantyShipping Product repair and return informationCheetah 15K.5 FC Product Manual, Rev. F AC power requirements Physical/electrical specificationsDC power requirements DC power requirements for ST3300655FC model Gbit AmpsDC power requirements for ST373455FC model Gbit Amps DC power requirements for ST3146855FC model Gbit AmpsPower sequencing General DC power requirement notesConducted noise immunity Current profilesTypical ST3300655FC drive, 4 Gbit, +12V current profile Typical ST3146855FC drive, 4 Gbit, +12V current profile Typical ST373455FC drive, 4 Gbit, +12V current profile ST3300655FC Power dissipationST3146855FC ST3146855FC CURRENT/POWER vs Throughput FC 4GBST373455FC CURRENT/POWER vs Throughput FC 4GB TemperatureEnvironmental limits ST373455FCEffective altitude sea level Relative humidityShock and vibration ShockPackage size Packaged/product weight Drop height Recommended mounting Vibration Air cleanlinessAcoustics Corrosive environmentRoHS compliance statement Mounting configuration dimensions Mechanical specificationsCheetah 15K.5 FC Product Manual, Rev. F Defect and error management Drive internal defects/errorsDrive error recovery procedures Page Background Media Scan FC-AL system errorsMedia Pre-Scan Deferred Auto-ReallocationIdle Read After Write Drive ID/option selection InstallationDrive orientation CoolingAir flow Drive mountingGrounding Cheetah 15K.5 FC Product Manual, Rev. F Fibre Channel link service frames FC-AL featuresLink services supported Type of frame Interface requirementsFibre Channel task management functions Fibre Channel task management responsesFC Scsi FCP response codes Function name Response code NPort login Plogi payload Bytes Fibre Channel port loginFibre Channel Process Login Fibre Channel port login acceptNPort Login Accept ACC payload Bytes Process Login Plri payloadFibre Channel fabric login Fibre Channel Process Login AcceptProcess Login Accept ACC payload Bytes Fabric Login Flogi payload BytesFabric Login Accept ACC payload Bytes Fibre Channel fabric accept loginFibre Channel Arbitrated Loop options Dual port supportFC-AL options supported Option SupportedSupported commands Command code Command name Scsi commands supportedVerify error recovery page 07h Cheetah 15K.5 FC Product Manual, Rev. F Temperature page 0Dh Mode Sense data Inquiry dataCheetah 15K.5 FC inquiry data Bytes Data hex Page Mmode Sense 10 Byte Header Data Mode Sense 10 Byte Header Data 00 ae 00 10 00 00 00 08 08 8b b9 98 00 00 02 Miscellaneous features Miscellaneous operating features and conditionsSupported Feature or condition Miscellaneous statusPhysical characteristics FC-AL physical interfacePhysical description Connector requirements Electrical descriptionPin descriptions FC-SCA pin descriptions Pin Signal name Signal type Pin Signal name Signal typeFC-AL transmitters and receivers Fault LED Out PowerEnable port bypass signals Active LED OutMotor start controls 11 SEL6 through SEL0 ID lines Parallel Enclosure Services Interface ESISetting Arbitrated loop physical address Alpa valuesHex Dec Signal characteristics TTL input characteristicsDevice control codes LED driver signals FC Differential outputFC Differential input Receive eye diagram Eye diagram data values Link rate GHz Cheetah 15K.5 FC Product Manual, Rev. F Internet Seagate Technology support servicesPresales Support Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Numerics IndexFAN Flogi Plogi Page See also cooling