W83787IF Datasheet, PDF (87/123 Pages) Winbond – WINBOND I/O WITH SERIAL-INFRARED SUPPORT

W83787IF
8.3 AC Characteristics
8.3.1 FDC: Data rate = 500Kb/300Kb/250Kb/sec
PARAMETER
SYM.
MIN.
TYP.
(NOTE 1)
SA9-SA0, AEN, DACK ,
TAR
25
CS, setup time to IOR¡õ
SA9-SA0, AEN, DACK ,
TAR
0
hold time for IOR¡ô
IOR width
TRR
80
Data access time from
TFD
IOR ¡õ
Data hold from IOR¡õ
TDH
10
SD to from IOR ¡ô
TDF
10
IRQ delay from IOR¡ô
TRI
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
IOW ¡ô
TWD
0
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.
80
50
360/570
/675
360/570
/675
50
UNIT
nS
TEST
CONDITIONS
nS
nS
nS CL = 100 pf
nS CL = 100 pf
nS CL = 100 pf
nS
nS
nS
nS
nS
nS
nS
µS
nS
nS
nS
nS
nS
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Publication ReleaseDate:Sep 1995
Revision A1