W83977AF Information Storage Devices, Inc, W83977AF Datasheet - Page 158

• Manufacturer Part Number: W83977AF
• Description: W83877TF Plus Kbc, Cir, RTC
• Manufacturer: Information Storage Devices, Inc

11.3 AC Characteristics
11.3.1
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
PARAMETER
FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec.
SYM.
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
MCY
WW
MW
DW
WD
AW
WA
AM
MA
MR
AR
AR
RR
FD
DH
DF
WI
AA
RI
CL = 100 pf
CL = 100 pf
CL = 100 pf
CONDITIONS
- 146 -
TEST
260/430
MIN.
/510
25
80
10
10
25
60
60
27
W83977F/ W83977AF
0
0
0
0
0
0
Publication Release Date: March 1998
(NOTE 1)
TYP.
PRELIMINARY
360/570
360/570
MAX.
/675
/675
80
50
50
Revision 0.58
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
S