Pio Timings; Table 26: Pio Cycle Timings - Hitachi IC25N040ATMR04-0 - Travelstar 40GB Laptop Hard Drive 9.5mm 2.5 Inch Notebook HDD Specifications

7.7 PIO timings

The PIO cycle timings meet Mode 4 of the ATA/ATAPI-6 description.
C S (1:0 )-
D A (2:0 )
D IO R -,
D IO W -
W rite d ata
D D (1 5 :0 )
R e ad d a ta
D D (1 5 :0 )
IO R D Y

Table 26: PIO cycle timings

t0
t1
t2
t2i
t3
t4
t5
t6
t6z
t9
tRD
tA
tB
t1
t7 (*)
tA
PARAMETER DESCRIPTION
Cycle time
Address valid to DIOR-/DIOW- setup
DIOR-/DIOW- pulse width
DIOR-/DIOW- recovery time
DIOW- data setup
DIOW- data hold
DIOR- data setup
DIOR- data hold
DIOR- data tristate
DIOR-/DIOW- to address valid hold
Read data valid to IORDY active
IORDY setup width
IORDY pulse width
Travelstar 80GN Hard Disk Drive Specification
t9
t0
t2
t3 t4
t5 t6 t6 z
tB
MIN (ns)
120
25
70
25
20
10
20
5
–
10
0
–
–
45
t2 i
t8(*)
MAX (ns)
–
–
–
–
–
–
–
–
30
–
–
35
1,250