Seagate ST251R - Figure 5. Buffered-Seek Timing; Figure 6. Auto-Truncation Timing

FIGURE 5: Buffered-Seek Timing
• DIRECTION IN
WDON'T CAREwm
100 nsec. min.-/
·STEP
100 nsec. typ
1r-H
3 ~sec. min.
2001lsec. max.
SEEK COMPLETE
L
100 nsec. mm.-/
• DRIVE SELECT
100
nsec. min -/ r-
1
"' .. 1------- 40 msec. avg.
95 msec. max.
FIGURE 6: Auto-Truncation Timing
,
: ..... 1--------
Excessive Step Pulses Recognized
,
• TRACK 0
((
----------~-----------------)~)~--------------~
• SEEK 9 msec. typo "'I.I-----~ .. ~I
COMPLETE
_
__________ --------------~(LC----------------------~
))- I
13 sec. max.
,
ST2511251 RI277R Product Manual, Rev.A
1-15