Travelstar 5K160 (PATA) Hard Disk Drive Specification
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7.7 PIO
timings
The PIO cycle timings meet Mode 4 of the ATA/ATAPI-6 description.
PARAMETER DESCRIPTION
MIN (ns)
MAX. (ns)
t0 Cycle
time
120
–
t1
Address valid to DIOR-/DIOW- setup
25
–
t2 DIOR-/DIOW-
pulse
width
70
–
t2i DIOR-/DIOW-
recovery
time
25
–
t3 DIOW-
data
setup
20
–
t4 DIOW-
data
hold
10
–
t5 DIOR-
data
setup
20
–
t6 DIOR-
data
hold
5
–
t6z DIOR-
data
tristate
–
30
t9
DIOR-/DIOW- to address valid hold
10
–
tRD
Read data valid to IORDY active
0
–
tA
IORDY setup width
–
35
tB
IORDY pulse width
–
1,250
Figure 5. PIO cycle timings
t9
t0
t2
t2i
t3
t4
t5
t1
tB
Read data
DD(15:0)
DIOR-,
DIOW-
CS(1:0)-
DA(2:0)
Write data
DD(15:0)
IORDY
t6z
tRD
tA
t6