MPI 40 Series - Read Initiate Timing; Initialize and Track Access Timing

DC POWER
MOTOR ON
-l :-1oms
----- ...
I
I
I
-,
:-1oms
___ ....._.
DRIVE SELECT
STEP
SIDE SELECT
WRITE GATE
-ERASE
VALID
READ DATA
DC POWER
MOTOR ON
u
-·
I
-l
1
• 15 ms
I
I
I
:-100µ1
209±38µs
---''-
"
OFF I
--1 :- 387±105µs
ON I OFF
-l :-soµs
----------
*IF HEAD LOAD LINE IS USED TO LOAD HEADS THEN 35ms DELAY IS
FROM ACTIVE HEAD LOAD LINE.
NOTE: TIMES SHOWN ARE MINIMUM TIMES EXCEPT AS NOTED
Figure 3-6: Read Initiate Timing
-1
l-1oms
-1
l-1oms
DRIVE SELECT
I
--·-ii I • .2 µ s
.5sec M
STEP IN -I r-- .21"
STEP OUT
DIRECTION SELE~
STEP
u--u
u u--u
.5µs-I j-3ms-j
NOTE: ALL TIMES SHOWN ARE MINIMUM TIMES
Figure 3-7: Initialize and Track Access Timing
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