Travelstar 4K120 Hard Disk Drive Specification
53
7.9.7 Device Terminating Write DMA
Table 38: Ultra DMA cycle timings (Device TerminatingWrite)
PARAMETER
DESCRIPTION
MODE 0
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
MIN
(ns)
MAX
(ns)
tRFS
DDMARDY- to final
HSTROBE time
–
75
–
70
–
60
–
60
–
60
–
50
tRP
Ready to pause time
160
–
125
–
100
–
100
–
100
–
85
–
tLI
Limited interlock time
0
150
0
150
0
150
0
100
0
100
0
75
tMLI
Interlocking time with mini-
mum
20
–
20
–
20
–
20
–
20
–
20
–
tDS
CRC word setup time at
device
15
–
10
–
7
–
7
–
5
–
4
–
tDH
CRC word hold time at
device
5
–
5
–
5
–
5
–
5
–
4.6
–
tACK
Hold time for DMACK-
negation
20
–
20
–
20
–
20
–
20
–
20
–
tIORDYZ
Maximum time before
releasing IORDY
–
20
–
20
–
20
–
20
–
20
–
20
HSTROBE
DDMARDY-
DMACK-
DMARQ
STOP
tMLI
tRP
DD(15:0)
xxxxxxxxxxxxxxxxxxxxxxxxxx
Host drives DD
tDH
tDS
CRC
tLI
tACK
tACK
tRFS
tLI
tIORDYZ
xxx WT Data
xxxxxxxxxx
Содержание HTS421210H9AT00
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