Step General Timing; Slow Seek Step Pulse Timing - Seagate ST506 Product Manual

FIGURE 9.0
STEP GENERAL TIMING
The ST506 SEEK COMPLETE signal will go false 100 nanoseconds after the
leading edge of the step pulse.
- DRIVE SELECT
--,~------------------~
----.1
1....-100 nsec.
Min.~
1....- 2.5 msec Min.
- DIRECTION·
--,~------------------~
~I
I~
Depends on type of seek.
-STEP
----.1 1....-
500 nsec Typ.
-SEEK COMPLETE-------'
--.1
1~18
msec Typ.
FIGURE 9.1
SLOW SEEK STEP PULSE TIMING
The read/write head will move at the rate of the incoming step pulses. The
minimum time between successive steps is 3.0 ms.
1~3msecMin.---..1
u
u
--.1
I~
2 usee Min., 500 usee Max.
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