360050398

ATA/ATAPI specifications

 

Transfer mode

MODE 0

MODE 1

MODE 2

MODE 3

MODE 4

MODE 5

Symbo

Meaning

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

l

 

 

 

 

 

 

 

 

 

 

 

 

 

tCYC

Cycle time

112

 

73

 

54

 

39

 

25

 

16.8

 

t2CYC

Two cycle time

230

 

153

 

115

 

86

 

57

 

38

 

tDS

Data setup time

15.0

 

10.0

 

7.0

 

7.0

 

5.0

 

4.0

 

tDH

Data hold time

5.0

 

5.0

 

5.0

 

5.0

 

5.0

 

4.6

 

tDVS

Data valid setup time

70.0

 

48.0

 

31.0

 

20.0

 

6.7

 

4.8

 

tDVH

Data valid hold time

6.2

 

6.2

 

6.2

 

6.2

 

6.2

 

4.8

 

tCS

CRC setup time

15.0

 

10.0

 

7.0

 

7.0

 

5.0

 

5.0

 

tCH

CRC hold time

5.0

 

5.0

 

5.0

 

5.0

 

5.0

 

5.0

 

tCVS

CRC valid setup time

70.0

 

48.0

 

31.0

 

20.0

 

6.7

 

10.0

 

tCVH

CRC valid hold time

6.2

 

6.2

 

6.2

 

6.2

 

6.2

 

10.0

 

tZFS

Strobe released to driving

0

 

0

 

0

 

0

 

0

 

35

 

tDZFS

Data released to driving

70.0

 

48.0

 

31.0

 

20.0

 

6.7

 

25

 

tFS

First STROBE time

0

230

0

200

0

170

0

130

0

120

0

90

tLI

Limit interlock time

0

150

0

150

0

150

0

100

0

100

0

75

tMLI

Interlock time min.

20

 

20

 

20

 

20

 

20

 

20

 

tUI

Unlimited interlock

0

 

0

 

0

 

0

 

0

 

0

 

tAZ

Allowed to release

 

10

 

10

 

10

 

10

 

10

 

10

tZAH

Delay time

20

 

20

 

20

 

20

 

20

 

20

 

tZAD

Delay time

0

 

0

 

0

 

0

 

0

 

0

 

tENV

Envelope time

20

70

20

70

20

70

20

55

20

55

20

50

tRFS

Ready to final Strobe

 

75

 

70

 

60

 

60

 

60

 

50

tRP

Ready to pause

160

 

125

 

100

 

100

 

100

 

85

 

tIORDYZ Pullup before IORDY

 

20

 

20

 

20

 

20

 

20

 

20

tZIORDY Wait before IORDY

0

 

0

 

0

 

0

 

0

 

0

 

tACK

Setup hold for DACK

20

 

20

 

20

 

20

 

20

 

20

 

tSS

Strobe to DREQ/Stop

50

 

50

 

50

 

50

 

50

 

50

 

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