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8272
SEEK OPERATION
050,1
==x
STABLE
tl...
____
_
-I.us
1_
I-'STU-I
.------+----.....:;1
'su
-
RW/SEEK 1 I
\'-----
-I
"J:-
-1,---'oS
1-
__
LCT/DIRECTION
----~X
1 X
----'J
'=1=""1
,",1-"-----
STEP n
~
-I·ST.I-
.sel-I
FLT RESET
INDEX
FAULTRESET~
FILE UNSAFE
RESET
~I
';\,
.
-----'
-.,R-I'-----
FDD READ OPERATION
J\
n
READ DATA
_I
I+-'--.-Ro-o----I=----.w-Ro-----JII~-::...--.R-ow-::...----I--
READ DATA WINDOW
_______
---'X
I
LI
----twWCy----
NOTE: EITHER POLARITY DATA WINDOW
IS
VALID.
TERMINAL COUNT
RESET
H
TC
-----'"
L-
-I
I-'Te
n
RESET~
~
A.C. TIMING MEASUREMENT CONDITIONS
INPUT WAVEFORM
2.
4V
--V
V-
O.4SV
--A'--
______
A--
MEASUREMENT POINT
INPUT: 2.0V
ro
O.8V
OUTPUT: 2.0V
ro
O.8V
9-66