Seagate ST3600002SS Manual Do Utilizador
22
Cheetah NS 10K.2 SAS Product Manual, Rev. F
7.2.1
Conducted noise immunity
Noise is specified as a periodic and random distribution of frequencies covering a defined frequency range.
Maximum allowed noise values given below are peak-to-peak measurements and apply at the drive power
connector.
Maximum allowed noise values given below are peak-to-peak measurements and apply at the drive power
connector.
7.2.2
Power sequencing
The drive does not require power sequencing. The drive protects against inadvertent writing during power-up
and down.
and down.
7.2.3
Current profiles
Note: All times and currents are typical. See Table 12 for maximum current requirements.
+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