W83977ATF Datasheet, PDF (110/207 Pages) Winbond – WINBOND I/O

12.3 AC Characteristics
W83977ATF
PRELIMINARY
12.3.1 FDC: Data rate = 1 MB, 500 KB, 300 KB, 250 KB/sec.
PARAMETER
SA9-SA0, AEN, DACK ,
CS, setup time to IOR¡õ
SA9-SA0, AEN, DACK ,
hold time for IOR¡ô
IOR width
Data access time from
IOR ¡õ
Data hold from IOR¡õ
SD to from IOR ¡ô
IRQ delay from IOR¡ô
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 ¡õ
SA9-SA0, AEN, DACK ,
TWA
0
hold time for IOW ¡ô
IOW width
TWW
60
Data setup time to IOW ¡ô ^TDW
60
Data hold time from
TWD
0
IOW ¡ô
IRQ delay from IOW ¡ô
TWI
DRQ cycle time
DRQ delay time DACK ¡õ
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
Publication Release Date: April 1998
165-
Revision 0.52