W83977EF Datasheet, PDF (127/150 Pages) Winbond – WINBOND I/O

W83977EF
11.3 AC Characteristics
11.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec.
PARAMETER
SA9-SA0, AEN, DACK#,
CS#, setup time to IOR#
SA9-SA0, AEN, DACK#,
hold time for IOR#
IOR width
Data access time from
IOR#
Data hold from IOR#
SD to from IOR#
IRQ delay from IOR#
SYM.
TAR
TEST
CONDITIONS
MIN.
25
TAR
0
TRR
80
TFD CL = 100 pf
TDH CL = 100 pf
10
TDF CL = 100 pf
10
TRI
TYP.
(NOTE 1)
SA9-SA0, AEN, DACK#,
TAW
25
setup time to IOW#
SA9-SA0, AEN, DACK#,
TWA
0
hold time for IOW#
IOW# width
TWW
60
Data setup time to IOW#
TDW
60
Data hold time from IOW#
TWD
0
IRQ delay from IOW#
TWI
DRQ cycle time
DRQ delay time DACK#
DRQ to DACK# delay
DACK# width
IOR# delay from DRQ
IOW# delay from DRQ
TMCY
TAM
TMA
TAA
TMR
TMW
27
0
260/430
/510
0
0
MAX.
UNIT
nS
nS
nS
80
nS
nS
50
nS
360/570 nS
/675
nS
nS
nS
nS
nS
360/570 nS
/675
µS
50
nS
nS
nS
nS
nS
-121 -
Publication Release Date: April 2003
Revision 1.1