U Series 5 Family Product Manual, Rev. B | 3 |
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Drive Specification | ST340823A | ST330621A | ST320413A | ST315311A | ST310211A | |
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Weight (typical) |
| 590 grams (1.3 lb) |
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time (msec typical) |
| 1.2 (read) 2.0 (write) |
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Average seek time |
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(msec typical) |
| 8.9 |
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Average seek read |
| 9.9 |
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(msec typical) |
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Average seek write |
| 10.9 |
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(msec typical) |
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time (msec typical) |
| 22.0 (read) 24.0 (write) |
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Average latency |
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(msec) |
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| 5.55 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 |
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(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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| 1.4 amps |
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Seek power (typical) |
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| 9.6 watts |
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Read/Write power |
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| 7.1 watts |
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Idle mode (typical) |
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| 4.8 watts |
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Standby mode |
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(typical) |
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| 1.4 watts |
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Sleep mode (typical) |
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| 1.0 watts |
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Voltage tolerance |
| 5V ± 5%, 12V ± 10% |
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(including noise) |
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Ambient tempera- |
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ture |
| 0° to 60°C (op.), |
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Temperature gradi- |
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ent (°C per hour |
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| 20°C |
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max) |
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Relative humidity |
| 5% to 90% (op.) |
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(op. and nonop.) |
| 5% to 95% (nonop.) |
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Relative humidity |
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gradient |
| 30% per hour max |
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