W83977G Winbond Electronics Corp America, W83977G Datasheet - Page 156

• Manufacturer Part Number: W83977G
• Description: W83877TF plus KBC, CIR, RTC, Pb-free
• Manufacturer: Winbond Electronics Corp America

14.3 AC Characteristics
14.3.1
SA9-SA0, AEN, DACK ,
SA9-SA0, AEN, DACK ,
hold time for IOR ↑
Data access time from
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 ↑
Data setup time to IOW ↑
Data hold time from IOW ↑
IRQ delay from IOW ↑
DRQ cycle time
DRQ delay time DACK ↓
DRQ to DACK delay
CS , setup time to IOR ↓
IOR width
IOR ↓
IOW width
DACK width
IOR delay from DRQ
IOW delay from DRQ
W83977F-A/ W83977G-A/ W83977AF-A/ W83977AG-A
PARAMETER
FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec.
T
SYM.
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
MCY
WW
DW
WD
MW
AW
WA
MR
RR
DH
AM
MA
AR
AR
FD
DF
AA
WI
RI
CL = 100 pf
CL = 100 pf
CL = 100 pf
CONDITIONS
TEST
-148
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