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SATA-IO Confidential 43
2.7.6. SI-06 : Intra-Pair Skew
2.7.6.1. Cable Assembly Expected Behavior
See section 6.5.1.1, Table 16 of the Serial ATA Revision 2.6 specification.
The test shall be performed in one direction on the cable assembly, for each differential pair of the assembly.
• See section 6.5.2.4, Table 14, Procedure P10 of the Serial ATA Revision 2.6 specification.
Measurement Requirements
• This test is normative for internal SATA cables and informative for eSATA cables.
• All cables and all adapters must be de-skewed just prior to performing the measurement. Note that the
inclusion of the adapters in calibrations for other tests may not be correct.
For an internal SATA cable
Pass/Fail Criteria
• Maximum Intra-Pair Skew 10 ps
For an eSATA cable
• Maximum Intra-Pair Skew 20 ps
2.7.7. SI-07 : Insertion Loss
2.7.7.1. Cable Assembly Expected Behavior
See section 6.5.1.1, Table 10 of the Serial ATA Revision 2.6 specification.
The test shall be performed in one direction on the cable assembly, for each differential pair of the assembly.
If a family of cables is being tested, only the longest length is tested for this requirement.
• This test is normative for internal SATA cables and informative for eSATA cables.
Measurement Requirements
• For an internal SATA and eSATA cable:
o See section 6.5.2.4, Table 14, Procedure P5 of the Serial ATA Revision 2.6 specification.
For an internal SATA cable:
Pass/Fail Criteria
• Maximum Insertion Loss of Cable (10-4500 MHz) 6 dB
For an eSATA cable:
• Maximum Insertion Loss of Cable (10-4500 MHz) 8 dB
2.7.8. SI-08 : Differential to Differential Crosstalk: NEXT
2.7.8.1. Cable Assembly Expected Behavior
See section 6.5.1.1, Table 16 of the Serial ATA Revision 2.6 specification.
The test shall be performed on both ends of the cable assembly, but only needs to be measured in one direction on
each end (for example, with the Tx pair as the aggressor, and the Rx pair as the receiver).
Measurement Requirements
• This test is normative for internal SATA cables and informative for eSATA cables.