W83977A Winbond Electronics Corp America, W83977A Datasheet - Page 138

• Manufacturer Part Number: W83977A
• Description: Winbond I/O
• Manufacturer: Winbond Electronics Corp America

12.3 AC Characteristics
12.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec.
PARAMETER
SA9-SA0, AEN, DACK ,
SA9-SA0, AEN, DACK ,
hold time for IOR¡ ô
Data access time from
Data hold from IOR¡ õ
SD to from IOR ¡ ô
IRQ delay from IOR¡ ô
SA9-SA0, AEN, DACK ,
setup time to IOW ¡ õ
SA9-SA0, AEN, DACK ,
hold time for IOW ¡ ô
Data setup time to IOW ¡ ô
Data hold time from
IRQ delay from IOW ¡ ô
DRQ cycle time
DRQ delay time DACK ¡ õ
DRQ to DACK delay
CS , setup time to IOR ¡ õ
IOR width
IOR ¡ õ
IOW width
IOW ¡ ô
DACK width
IOR delay from DRQ
IOW delay from DRQ
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
FD
DF
WI
AA
RI
TEST
CONDITIONS
CL = 100 pf
CL = 100 pf
CL = 100 pf
- 127 -
MIN.
260/430
/510
25
80
10
10
25
60
60
27
0
0
0
0
0
0
Publication Release Date: March 1998
TYP.
(NOTE 1)
PRELIMINARY
MAX.
W83977TF
360/570
360/570
/675
/675
80
50
50
Revision 0.62
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S