Datasheet

Travelstar 80GN Hard Disk Drive Specification
45
7.7 PIO timings
The PIO cycle timings meet Mode 4 of the ATA/ATAPI-6 description.
Table 26: PIO cycle timings
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
t9
t0
t2
t2i
t3 t4
t5
t8(*)
t7(*)
t1
tB
Read data
DD(15:0)
DIOR-,
DIOW-
CS(1:0)-
DA(2:0)
Write data
DD(15:0)
IORDY
t6z
tA
t6