Hitachi DK23DA-40F, DK23DA-30F, DK23DA-20F, DK23DA-10F DATASHEET

2.5 inch ATA-5 hard disk drives

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ATA-5 interface with 2048kB read/write cache

32-bit RISC microprocessor, Shock sensor, SMART

and shock characteristics

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Hitachi DK23DA series

Model

DK23DA-40F

DK23DA-30F

DK23DA-20F

DK23DA-10F

Performance

Total Capacity

Formatted

40.007 GB

30.005 GB

20.003 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

3

Seek Time (Nominal)

3ms

3ms

3ms

3ms

Average

Full Track

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

Read Technology

PRML, ID-Less Format

Recording Density

Max. 600 kBPI

Max. 600 kBPI

Max. 600 kBPI

Max. 600 kBPI

Track Density

55.0 kTPI

55.0 kTPI

55.0 kTPI

55.0 kTPI

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

Weight

95 g

95 g

91 g

95 g

Power Requirements +5V +-5%

Seek

0.45 A (typ.)

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.)

0.90 A (typ.)

0.13 A (typ.)

0.13 A (typ.)

0.13 A (typ.)

0.13 A (typ.)

Read/Write

0.40 A (typ.)

0.40 A (typ.)

0.40 A (typ.)

0.40 A (typ.)

Sleep

0.020 A (typ.)

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.)

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%

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

(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

49m/s

(5G) or less (22-500Hz)

Acoustic Noise

2.4 Bels (typ.)

2.4 Bels (typ.)

2.4 Bels (typ.)

2.4 Bels (typ.)

Seek

3.1 Bel (typ.)

3.1 Bel (typ.)

3.1 Bel (typ.)

3.1 Bel (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)

63 (3Fh)

Word 60 61 Total LBA

78140160(04A85300h)

58605120(037E3E40h)

39070080(02542980h)

©

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.DK23DA.1101

Internet:

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