Hitachi DK23DA-40F, DK23DA-30F, DK23DA-20F, DK23DA-10F DATASHEET
2.5 inch ATA-5 hard disk drives
Capacities:10, 20, 30 & 40 GB
Hitachi DK23DA series hard disk drives
Highlights 
10, 20, 30 or 40 GB in 9.5mm high package for maximum capacity slimline portable applications
ATA-5 interface with 2048kB read/write cache
Ultra DMA mode 5 (100 MB/s max.) supported
GMR head and MEEPRML read channel technology
32-bit RISC microprocessor, Shock sensor, SMART
Use of Fluid Dynamic Bearing Motor to improve Acoustic and shock characteristics
Hitachi DK23DA series specifications
Product |
Hitachi DK23DA series |
|
|
|
Mode |
DK23DA-40F |
DK23DA-30F |
DK23DA-20F |
DK23DA-10F |
Performance |
|
|
|
|
Total Capacity |
|
|
|
|
Formatted |
40.007 GB |
30.005 GB |
20.003 GB |
10.056 GB |
Per Sector |
512 |
512 |
512 |
512 |
Number of Cylinders |
33,067 |
33,067 |
33,067 |
33,067 |
Number of Disks |
2 |
2 |
|
|
Number of Heads |
4 |
3 |
2 |
|
SeekTime (Nominal) |
|
|
|
|
1Track |
3ms |
3ms |
3ms |
3ms |
Average |
13ms |
13ms |
13ms |
13ms |
FullTrack |
25 ms |
25 ms |
25 ms |
25 ms |
Average Latency |
7.1ms |
7.1ms |
7.1ms |
7.1ms |
Rotational Speed |
4,200 rpm |
4,200 rpm |
4,200 rpm |
4,200 rpm |
ReadTechnology |
ME2 PRML,ID-Less Format |
|
|
|
nternalTransfer Rate |
18.7 - 34.7 MB/s |
18.7 - 34.7 MB/s |
18.7 - 34.7 MB/s |
18.7 - 34.7 MB/s |
Recording Density |
Max.600 kBP |
Max.600 kBP |
Max.600 kBP |
Max.600 kBP |
Track Density |
55.0 kTP |
55.0 kTP |
55.0 kTP |
55.0 kTP |
nterfaceTransfer Rate 16.6 MB/s max.(PIO mode 4/Multiword DMAmode 2) / |
|
|||
|
100 MB/s max.(Ultra DMAmode 5) |
|
|
|
Data Buffer |
2048 kB |
2048 kB |
2048 kB |
2048 kB |
Physical Specifications |
|
|
|
|
Dimensions |
|
|
|
|
Height |
9.5 mm |
9.5 mm |
9.5 mm |
9.5 mm |
Width |
70 mm |
70 mm |
70 mm |
70 mm |
Depth |
100 mm |
100 mm |
100 mm |
100 mm |
Weight |
95 g |
95 g |
91g |
95 g |
Power Requirements +5V+-5% |
|
|
|
|
Seek |
0.45A(typ.) |
0.45A(typ.) |
0.45A(typ.) |
0.45A(typ.) |
Spin-up |
0.90A(typ.) |
0.90A(typ.) |
0.90A(typ.) |
0.90A(typ.) |
dle |
0.13A(typ.) |
0.13A(typ.) |
0.13A(typ.) |
0.13A(typ.) |
Read/Write |
0.40A(typ.) |
0.40A(typ.) |
0.40A(typ.) |
0.40A(typ.) |
Sleep |
0.020A(typ.) |
0.020A(typ.) |
0.020A(typ.) |
0.020A(typ.) |
Stand-by |
0.050A(typ.) |
0.050A(typ.) |
0.050A(typ.) |
0.050A(typ.) |
Temperature |
|
|
|
|
Operating |
5° to 55°C (41° to131°F) |
|
|
|
Non-Operating |
40° to 70°C (-40° to158°F) |
|
|
|
Environmental Conditions |
|
|
|
|
Relative Humidity |
|
|
|
|
Operating |
5% to 90% |
5% to 90% |
5% to 90% |
5% to 90% |
Non-Operating |
5% to 95% |
5% to 95% |
5% to 95% |
5% to 95% |
Max.Wet Bulb |
|
|
|
|
Operating |
29°C (84.2°F non-condensing) |
|
|
|
Non-Operating |
40°C (84.2°F non-condensing) |
|
|
|
Shock |
|
|
|
|
Operating |
1.764m/s2 (250G) or less,2ms half sine wave |
|
|
|
Non-Operating |
7.840m/s2 (800G) or less,1ms half sine wave |
|
|
|
Vibration |
|
|
|
|
Operating |
9.8m/s2 (1.0G) or less (22-500Hz) |
|
|
|
Non-Operating |
49m/s2 (5G) or less (22-500Hz) |
|
|
|
Acoustic Noise |
|
|
|
|
dle |
2.4 Bels (typ.) |
2.4 Bels (typ.) |
2.4 Bels (typ.) |
2.4 Bels (typ.) |
Seek |
3.1Bel (typ.) |
3.1Bel (typ.) |
3.1Bel (typ.) |
3.1Bel (typ.) |
Reliability |
|
|
|
|
Preventive Maintenance |
Not Required |
|
|
|
Error Rate (Unrecoverable Errors) |
Less than1per1013 bits read |
|
||
Identify Device Information for Setup (Addressing) |
|
|
||
Word1 Number of CYL. |
16383 (3FFFh) |
16383 (3FFFh) |
16383 (3FFFh) |
16383 (3FFFh) |
Word 3 Number of HD |
16 (0010h) |
16 (0010h) |
16 (0010h) |
16 (0010h) |
Word 6 Number of SPT |
63 (3Fh) |
63 (3Fh) |
63 (3Fh) |
63 (3Fh) |
Word 60 61 Total LBA |
78140160(04A85300h) |
58605120(037E3E40h) |
39070080(02542980h) |
19640880(012BB230h) |
Hitachi Global Storage Technologies
For more information
Internet:
www.hgst.com
For other Hitachi products:
1800 HITACHI (800 448 2244)
©Copyright Hitachi Global StorageTechnologies 2003
Hitachi Global StorageTechnologies 5600 Cottle Road
San Jose,CA 95193
Produced in the United States 1/03
All rights reserved
References in this publication to Hitachi Global Storage
Technologies products,programs or services do not mply that Hitachi Global StorageTechnologies intends to make these available in all countries in which Hitachi
Global StorageTechnologies operates
Product information is provided for information purposes only and does not constitute a warranty
nformation is true as of the date of publication and is subject to change.Actual results may vary
This publication is for general guidance only
Photographs may show design models
DS.DK23DA.110
Loading...