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2.5 inch ATA-5 hard disk drives
maximum capacity slimline notebooks
ATA-5 interface with 512 kB or 2048kB read/write cache
32-bit RISC microprocessor, Shock sensor, SMART
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Hitachi DK23CA series
Model
DK23CA-30
DK23CA-20
Performance
Total Capacity
Formatted
30.005 GB
20.003 GB
Per Sector (Bytes)
512
512
Number of Cylinders
28,134
28,134
Number of Disks
2
2
Number of Heads
3
Seek Time (Nominal)
3ms
3ms
Average
Full Track
24ms
24ms
Average Latency
7.1 ms
7.1 ms
Rotational Speed
4,200 RPM
4,200 RPM
Read Technology
MEEPRML, ID-Less Format
Recording Density
530 kbpi max.
530 kbpi max.
Track Density
46,800 tpi
46,800 tpi
Data Buffer
2048 kB
2048 kB
Physical Specifications
Dimensions
Height
9.5 mm
9.5 mm
Width
70 mm
70 mm
Depth
Weight
95 g
95 g
Power Requirements +5V +-5%
Seek
0.45 A (typ.)
0.45 A (typ.)
Spin-up
0.90 A (typ.)
0.90 A (typ.)
0.13 A (typ.)
0.13 A (typ.)
Read/Write
0.40 /0.42A (typ.)
0.40 A (typ.)
Sleep
0.020 A (typ.)
0.020 A (typ.)
Stand-by
0.050 A (typ.)
0.050 A (typ.)
Temperature
Operating
5° to 55° C (41° to 131° F)
Non-Operating
-40° to 70° C (-40° to 158° F)
Environmental Conditions
Relative Humidity
Operating
5% to 90%
Non-Operating
5% to 95%
Max.Wet Bulb
29° C (84.2° F non-condensing)
Shock
Operating
2
(250G) or less, 2ms half sine wave
Non-Operating
7.840m/s
(800G) or less, 1 ms half sine wave
Vibration
Operating
9.8m/s
2
(1.0G) or less (22-500Hz)
Non-Operating
4.9m/s
(5G) or less (22-500Hz)
Acoustic Noise
2.8 Bels (typ.)
2.8 Bels (typ.)
Reliability
Preventive Maintenance
Not Required
Error Rate (Unrecoverable Errors)
Less than 1 per 10
13
bits read
Identify Device Information for Setup (Addressing)
Word 1 Number of CYL.
Word 3 Number of HD
Word 6 Number of SPT
63 (3Fh)
63 (3Fh)
Word 60 61 Total LBA
58605120(037E3E40h)
58605120(037E3E40h)
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©
Copyright Hitachi Global Storage Technologies 2003
Hitachi Global Storage Technologies
5600 Cottle Road
San Jose, CA 95193
Produced in the United States
All rights reserved
References in this publication to Hitachi Global Storage
Technologies products, programs or services do not
imply that Hitachi Global Storage Technologies intends
to make these available in all countries in which Hitachi
Global Storage Technologies operates.
Product information is provided for information pur-
poses only and does not constitute a warranty.
subject to change. Actual results may vary.
This publication is for general guidance only.
Photographs may show design models.
DS.DK32CA.0601
Internet:
www.hgst.com
Hitachi DK23CA series
Model
DK23CA-15
DK23CA-10
DK23CA-75
Performance
Total Capacity
Formatted
7.501 GB
Per Sector (Bytes)
512
512
512
Number of Cylinders
28,134
28,134
28,134
Number of Disks
Number of Heads
Seek Time (Nominal)
3ms
3ms
3ms
Average
Full Track
24ms
24ms
24ms
Average Latency
7.1 ms
7.1 ms
7.1 ms
Rotational Speed
4,200 RPM
4,200 RPM
4,200 RPM
Read Technology
MEEPRML, ID-Less Format
Recording Density
530 kbpi max.
440 kbpi max.
530 kbpi max.
Track Density
46,800 tpi
46,800 tpi
46,800 tpi
Data Buffer
512 kB
512 kB
512 kB
Physical Specifications
Dimensions
Height
9.5 mm
9.5 mm
9.5 mm
Width
70 mm
70 mm
70 mm
Depth
Weight
91 g
91 g
91 g
Power Requirements +5V +-5%
Seek
0.45 A (typ.)
0.45 A (typ.)
0.45 A (typ.)
Spin-up
0.90 A (typ.)
0.90 A (typ.)
0.90 A (typ.)
0.13 A (typ.)
0.13 A (typ.)
0.13 A (typ.)
Read/Write
0.40 /0.42A (typ.)
0.40 A (typ.)
0.40 A (typ.)
Sleep
0.020 A (typ.)
0.020 A (typ.)
0.020 A (typ.)
Stand-by
0.050 A (typ.)
0.050 A (typ.)
0.050 A (typ.)
Temperature
Operating
5° to 55° C (41° to 131° F)
Non-Operating
-40° to 70° C (-40° to 158° F)
Environmental Conditions
Relative Humidity
Operating
5% to 90%
Non-Operating
5% to 95%
Max.Wet Bulb
29C(84.2F non-condensing)
Shock
Operating
(250G) or less, 2ms half sine wave
Non-Operating
7.840m/s
2
(800G) or less, 1 ms half sine wave
Vibration
Operating
9.8m/s
2
(1.0G) or less (22-500Hz)
Non-Operating
4.9m/s
(5G) or less (22-500Hz)
Acoustic Noise
2.8 Bels (typ.)
2.8 Bels (typ.)
2.8 Bels (typ.)
Reliability
Preventive Maintenance
Not Required
Error Rate (Unrecoverable Errors)
Less than 1 per 10
13
bits read
Identify Device Information for Setup (Addressing)
Word 1 Number of CYL.
Word 3 Number of HD
Word 6 Number of SPT
63 (3Fh)
63 (3Fh)
63 (3Fh)
Word 60 61 Total LBA
29498112(01C21B00h)
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