W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 139
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W83977A
Manufacturer Part Number
W83977A
Description
Winbond I/O
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83977A.pdf
(160 pages)
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Manufacturer:
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12.3.1 AC Characteristics, FDC continued
Notes:
1. Typical values for T = 25 C and normal supply voltage.
2. Programmable from 2 mS through 32 mS in 2 mS increments.
PARAMETER
from DRQ
TC width
RESET width
Write precompensation
IOW or IOR response time
INDEX width
DIR setup time to STEP
DIR hold time from STEP
STEP pulse width
STEP cycle width
WD pulse width
SYM.
T
T
T
T
T
T
T
T
T
T
MRW
WDD
WPC
RST
DST
STD
STP
IDX
TC
SC
TEST
CONDITIONS
- 128 -
MIN.
24/40/48
135/220
6.8/11.5
100/185
100/138
1.8/3/3.
0.5/0.9
1.0/1.6
Note 2
/13.8
/260
/225
/225
/1.0
/2.0
5
Publication Release Date: March 1998
TYP.
(NOTE 1)
125/210
125/210
Note 2
/20/24
7/11.7
6/12
/250
/250
/14
PRELIMINARY
W83977TF
MAX.
7.2/11.9
150/235
150/235
Note 2
/14.2
/275
/275
Revision 0.62
UNIT
nS
S
S
S
S
S
S
S
S
S
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