w83977ctf Winbond Electronics Corp America, w83977ctf Datasheet - Page 139

• Manufacturer Part Number: w83977ctf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

11.3.1 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
STEP# pulse width
STEP# cycle width
WD# pulse width
Write precompensation
PARAMETER
from STEP#
T
T
T
SYM.
T
T
T
T
T
T
T
MRW
WDD
WPC
RST
DST
STD
STP
IDX
TC
SC
CONDITIONS
-130 -
TEST
1.8/3/3.
24/40/48
135/220
6.8/11.5
100/185
100/138
0.5/0.9
1.0/1.6
Note 2
/13.8
MIN.
/260
/225
/225
/1.0
/2.0
5
Publication Release Date: March 1999
(NOTE 1)
W83977EF/ CTF
125/210
125/210
Note 2
/20/24
7/11.7
TYP.
6/12
/250
/250
/14
PRELIMINARY
7.2/11.9
150/235
150/235
Note 2
MAX.
/14.2
/275
/275
Revision A1
UNIT
nS
S
S
S
S
S
S
S
S
S