w83977atf Winbond Electronics Corp America, w83977atf Datasheet - Page 111

• Manufacturer Part Number: w83977atf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

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
IOW or IOR response time
from DRQ
TC width
RESET width
INDEX width
DIR setup time to STEP
DIR hold time from STEP
STEP pulse width
STEP cycle width
Write precompensation
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
166-
MIN.
1.8/3/3.
24/40/48
6.8/11.5
135/220
100/185
100/138
0.5/0.9
1.0/1.6
Note 2
/13.8
/260
/225
/225
/1.0
/2.0
5
Publication Release Date: April 1998
TYP.
(NOTE 1)
125/210
125/210
Note 2
/20/24
7/11.7
6/12
/250
/250
/14
W83977ATF
PRELIMINARY
MAX.
7.2/11.9
150/235
150/235
Note 2
/14.2
/275
/275
Revision 0.52
UNIT
nS
S
S
S
S
S
S
S
S
S