W83877 Winbond Electronics Corp America, W83877 Datasheet - Page 106

• Manufacturer Part Number: W83877
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

9.3 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.
9.3.2
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
CS0 , CS1 delay from SA valid
DBENL, DBENH delay from AEN, IOCS16, SA
IDED7 to D7 delay (read cycle)
D7 to IDED7 delay (write cycle)
IDE
PARAMETER
PARAMETER
T
T
T
SYM.
T
T
T
T
T
T
T
MRW
WDD
WPC
RST
DST
STD
STP
IDX
TC
SC
CONDITIONS
TEST
- 106 -
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
SYMBOL
5
T1
T2
T4
T3
(NOTE 1)
125/210
125/210
Note 2
/20/24
7/11.7
TYP.
6/12
/250
/250
/14
MAX.
50
50
50
50
7.2/11.9
150/235
150/235
Note 2
W83877F
MAX.
/14.2
/275
/275
UNIT
nS
nS
nS
nS
UNIT
nS
S
S
S
S
S
S
S
S
S