W83977F-A Datasheet, PDF (157/182 Pages) Winbond – WINBOND I/O

W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec, continued.
PARAMETER
SYM.
TEST
CONDITIONS
IOW or IOR response time ^TMRW
from DRQ
TC width
TTC
RESET width
TRST
INDEX width
TIDX
DIR setup time to STEP
TDST
DIR hold time from STEP ^TSTD
STEP pulse width
TSTP
STEP cycle width
WD pulse width
TSC
TWDD
Write precompensation
TWPC
Notes:
1. Typical values for T = 25° C and normal supply voltage.
2. Programmable from 2 mS through 32 mS in 2 mS increments.
MIN.
135/220
/260
1.8/3/3.
5
0.5/0.9
/1.0
1.0/1.6
/2.0
24/40/4
8
6.8/11.5
/13.8
Note 2
100/185
/225
100/138
/225
TYP.
(NOTE 1)
6/12
/20/24
7/11.7
/14
Note 2
125/210
/250
125/210
/250
MAX.
7.2/11.9
/14.2
Note 2
150/235
/275
150/235
/275
UNIT
μS
nS
μS
μS
μS
μS
μS
μS
μS
μS
-149 -
Publication Release Date: May 2006
Revision 0.60