W83977EF Winbond Electronics Corp America, W83977EF Datasheet - Page 127

• Manufacturer Part Number: W83977EF
• Description: Description = W83877TF Plus Kbc, GP I/O, Wake-Up, Power Fail Resume ;; Package = QFP 128
• Manufacturer: Winbond Electronics Corp America

11.3 AC Characteristics
PARAMETER
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
11.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec.
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
MR
RR
DH
AM
MA
AR
AR
FD
DF
AA
WI
RI
TEST
CONDITIONS
CL = 100 pf
CL = 100 pf
CL = 100 pf
-121 -
MIN.
260/430
/510
25
80
10
10
25
60
60
27
0
0
0
0
0
0
Publication Release Date: April 2003
TYP.
(NOTE 1)
W83977EF
MAX.
360/570
360/570
/675
/675
80
50
50
Revision 1.1
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
µ S
nS
nS
nS
nS
nS