Hitachi HTS543212L9A300, Стандарты OEM

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5K320 SATA OEM Specification
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7 Electrical interface specifications
7.1 Cabling
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.
7.2 Interface connector
The figure below shows the physical pin location.
Figure 3. Interface connector pin assignments
l All pins are in a single row, with a 127 mm(.050”) pitch.
l
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.
l There are three power pins for each voltage. One pin from each voltage is used for pre-charge in the
backplane blind-mate situation.
l If a device uses 3.3V, then all V33 pins must be terminated. Otherwise, it is optional to terminate any
of the V33 pins
l If a device uses 5.0V, then all V5 pins must be terminated. Otherwise, it is optional to terminate any
of the V5 pins
l
If a device uses 12.0V, then all V12 pins must be terminated. Otherwise, it is optional to terminate
any of the V12 pins.