U10 Family Product Manual, Rev. A |
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Drive Specification | ST320423A |
| ST315323A |
| ST310212A |
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(msec typical) |
| 23.0 (read) 25.0 (write) |
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Average latency (msec) |
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| 5.56 msec |
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(sec typical) |
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| 10 sec |
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Standby to ready |
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(sec typical) |
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| 10 sec |
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Spindown (sec typical) |
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| 10 sec |
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Startup current |
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(typical) 12V (peak) |
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| 1.5 amps |
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Seek power (typical) |
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| 7.0 watts |
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Read/Write power |
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| 6.5 watts |
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Idle mode (typical) |
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| 3.5 watts |
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Standby/Sleep mode (typical) |
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| 0.8 watts |
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Voltage tolerance |
| 5V ± 5%, 12V ± 10% |
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(including noise) |
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Ambient temperature | 0° to 60°C (op.), |
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Temperature gradient |
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(°C per hour max) |
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| 20°C |
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Relative humidity |
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| 5% to 90% (op.) |
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(op. and nonop.) |
| 5% to 95% (nonop.) |
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Relative humidity, gradient |
| 30% per hour max |
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Wet bulb temperature (°C max) | 29.4 (op.), 40.0 (nonop.) |
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Altitude, operating |
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Altitude (meters below mean sea |
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level, max) |
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Shock, operating |
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(Gs max at 2 msec) |
| 63 |
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Shock, nonoperating |
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(Gs max at 2 msec) |
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| 350 Gs |
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Vibration, operating | 0.5 Gs (0 to peak, |
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Vibration, nonoperating | 5 Gs (0 to peak, |
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Drive acoustics |
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Sound power in bels (10.5 msec) |
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Idle mode |
| 3.2 (typical), 3.6 (max) |
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Seek mode |
| 3.5 (typical), 3.9 (max) |
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