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

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