Barracuda ATA II 100 Family Product Manual, Rev. A
3
Standby to ready
(sec typical)
10 sec
Startup current
(typical) 12V (peak)
2.4 amps
2.0 amps
Track-to-track seek time
(msec typical)
1.2
Average seek time
(msec typical)
8.2
Full-stroke seek time
(msec max)
17.8 (read), 19.3 (write)
Seek power
(typical)
12.5 watts
11.6 watts
Read/Write power
(typical)
9.7 watts
8.5 watts
Idle mode
(typical)
8.0 watts
7.0 watts
Standby mode
1.5 watts (typical), 1.7 watts (max)
Sleep mode
0.8 watts (typical), 0.9 watts (max)
Voltage tolerance
(including noise)
5V
±
5% – 0.7 amps max
12V
+
10%, – 5% – 2.4 amps max
Ambient temperature
0° to 55°C (op.), –40° to 65°C (nonop.)
5° to 55°C (op. for FDB motor)
Temperature gradient
(°C per hour max)
20°C
Relative humidity
(op. and nonop.)
8% to 80% (op.)
5% to 90% (nonop.)
Relative humidity gradient
30% per hour max
Wet bulb temperature
(°C max)
29.4 (op.), 29.4 (nonop.)
Altitude, operating
–122 m to 3,048 m (–400 ft to 10,000
+
ft)
Altitude (meters below mean
sea level, max)
–122 m to 12,192 m (–400 ft to 40,000
+
ft)
Shock, operating
(Gs max at 2 msec)
63
Shock, nonoperating
(Gs max at 2 msec)
300 Gs
Vibration, operating
0.5 Gs (0 to peak, 5–300 Hz)
Vibration, nonoperating
5 Gs (0 to peak, 5–300 Hz)
Drive Specification
ST330631A
ST320424A
ST315324A
ST310216A