w83877atd Winbond Electronics Corp America, w83877atd Datasheet - Page 173

• Manufacturer Part Number: w83877atd
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

9.3.1 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.
IOW or IOR response time
from DRQ
TC width
RESET width
INDEX width
DIR setup time to STEP
DIR hold time from STEP
Write precompensation
STEP pulse width
STEP cycle width
WD pulse width
PARAMETER
T
SYM.
T
T
T
T
T
T
T
T
T
MRW
WDD
WPC
RST
DST
STD
STP
IDX
TC
SC
CONDITIONS
TEST
- 169 -
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
MIN.
/13.8
/260
/225
/225
/1.0
/2.0
5
Publication Release Date: April 1998
(NOTE 1)
125/210
125/210
Note 2
/20/24
7/11.7
TYP.
6/12
/250
/250
/14
W83877ATF
7.2/11.9
150/235
150/235
Note 2
MAX.
/14.2
/275
/275
Version 0.51
UNIT
nS
S
S
S
S
S
S
S
S
S