w83977eg Winbond Electronics Corp America, w83977eg Datasheet - Page 118

• Manufacturer Part Number: w83977eg
• Description: Winbond Isa I/o W83977ef W83977eg
• Manufacturer: Winbond Electronics Corp America

13.3 AC Characteristics
13.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec.
SA9-SA0, AEN, DACK#,
CS#, setup time to IOR# ↓
SA9-SA0, AEN, DACK#,
hold time for IOR# ↑
Data access time from
IOR# ↓
Data hold from IOR# ↓
SD to from IOR# ↑
IRQ delay from IOR# ↑
SA9-SA0, AEN, DACK#,
setup time to IOW# ↓
SA9-SA0, AEN, DACK#,
hold time for IOW# ↑
IOW# width
Data setup time to IOW# ↑
Data hold time from
IRQ delay from IOW# ↑
DRQ cycle time
DRQ delay time DACK# ↓
DRQ to DACK# delay
DACK# width
IOR# delay from DRQ
IOW# delay from DRQ
IOR width
PARAMETER
IOW#↑
SYM.
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
MCY
WW
MW
AW
WA
DW
WD
AM
MA
MR
AR
AR
RR
DH
AA
FD
DF
WI
RI
CL = 100 pf
CL = 100 pf
CL = 100 pf
CONDITIONS
W83977EF-AW/W83977EG-AW
TEST
-116-
260/430
MIN.
/510
25
80
10
10
25
60
60
27
0
0
0
0
0
0
(NOTE 1)
TYP.
360/570
360/570
MAX.
/675
/675
80
50
50
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
μ S
nS
nS
nS
nS
nS