Travelstar 5K160 (SATA) Hard Disk Drive Specification

7 Electrical interface specifications

7.1Cabling

The maximum cable length from the host system to the hard disk drive plus circuit pattern length in the host system shall not exceed 1 meter.

7.2Interface connector

The figure below shows the physical pin location.

Figure 3. Interface connector pin assignments

All pins are in a single row, with a 127 mm(.050”) pitch.

The comments on the mating sequence in Table in the section 7.3 apply to the case of back-plane blind-mate connector only. In this case, the mating sequences are:(1)the ground pins P4 and P12;(2) the pre-charge power pins and the other ground pins; and (3) the signal pins and the rest of the power pins.

There are three power pins for each voltage. One pin from each voltage is used for pre-charge in the backplane blind-mate situation.

If a device uses 3.3V, then all V33 pins must be terminated. Otherwise, it is optional to terminate any of the V33 pins

If a device uses 5.0V, then all V5 pins must be terminated. Otherwise, it is optional to terminate any of the V5 pins

If a device uses 12.0V, then all V12 pins must be terminated. Otherwise, it is optional to terminate any of the V12 pins.

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Hitachi HTS541612J9SA00, HTS541640J9SA00 manual Electrical interface specifications, Cabling, Interface connector, 39/167
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