Product Summary

The ST3250318AS is an ATA interface.

Parametrics

ST3250318AS absolute maximum ratings: (1)Formatted capacity: 250GB; (2)Guaranteed sectors: 488,397,168; (3)Heads: 1; (4)Disks: 1; (5)Bytes per sector: 512; (6)Default sectors per track: 63; (7)Default read/write heads: 16; (8)Default cylinders: 16,383; (9)Recording density (max.): 1413kb/in; (10)Track density (avg.): 236 ktracks/in; (11)Areal density (avg.): 329Gb/in2; (12)Spindle speed: 7200 RPM; (13)Internal data transfer rate (max.): 1695Mb/s; (14)Sustained data transfer rate OD (max.): 125MB/s; (15)I/O data-transfer rate: 300MB/s; (16)Relative humidity gradient (max.): 30% per hour; (17)Wet bulb temperature: 37.7°C max (operating); 40.0°C max (non-operating); (18)Altitude, operating: –60.96m to 3,048m(–1000 ft to 10,000+ ft); (19)Altitude, non-operating (below mean sea level, max.): –60.96m to 12,192m (–1000 ft to 40,000+ ft); (20)Operational Shock (max.): 70 Gs at 2ms; (21)Non-Operational Shock (max.): 350 Gs at 2ms.

Features

ST3250318AS features: (1)7200 RPM spindle speed; (2)High instantaneous (burst) data-transfer rates (up to 300MB per second); (3)Perpendicular recording technology provides the drives with increased areal density; (4)State-of-the-art cache and on-the-fly error-correction algorithms.; (5)Native Command Queueing with command ordering to increase performance in demanding applications; (6)Full-track multiple-sector transfer capability without local processor intervention; (7)Quiet operation; (8)Compliant with RoHS requirements in China and Europe; (9)SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns; (10)Support for S.M.A.R.T. drive monitoring and reporting; (11)Supports latching SATA cables and connectors; (12)Worldwide Name (WWN) capability uniquely identifies the drive.

Diagrams

ST3250318AS Mounting dimensions

ST32
ST32
Littelfuse
Diacs 27-34V
Data Sheet
0-3500: $0.16
3500-5000: $0.16
5000-10000: $0.15
ST3215SB
ST3215SB
Other

Data Sheet
Negotiable 
ST3215SB32768C0HPWBB
ST3215SB32768C0HPWBB
AVX
Crystals 7pF 32.768kHz
Data Sheet
0-1: $0.73
1-50: $0.61
50-100: $0.50
100-500: $0.41
ST3215SB32768E0HPWAA
ST3215SB32768E0HPWAA

CRYSTAL 32.768KHZ 9.0PF SMD
Data Sheet
0-1: $1.23
1-10: $1.02
10-100: $0.86
100-250: $0.71
250-500: $0.63
500-1000: $0.57
ST3215SB32768E0HPWBB
ST3215SB32768E0HPWBB
AVX
Crystals 32.768KHz 9.0pF
Data Sheet
0-1: $0.90
1-10: $0.85
10-100: $0.67
100-250: $0.61
ST3215SB32768E0HPWZZ
ST3215SB32768E0HPWZZ
AVX
Crystals 32.768kHz 9.0pF
Data Sheet
0-1930: $0.70
1930-3000: $0.67
3000-6000: $0.63
6000-9000: $0.59