AX88196
Local CPU BUS MAC Controller
6.4.3 ISA Bus Access Timing
Tsu(AEN)
Th(AEN)
AEN
Tsu(A)
Th(A)
/BHE
SA[9:0],SAL,SAH
Tv(CS16-A)
Tdis(CS16-A)
/IOCS16
Ten(RD)
/IOWR,/IORD
Tv(RDY)
Tdis(RDY)
RDY
Tdis(RD)
DATA Valid
Read Data
SD[15:0](Dout)
Tsu(WR)
Th(WR)
Write Data
SD[15:0](Din)
DATA Input Establish
Symbol
Tsu(A)
Description
Min
Typ.
Max
-
-
-
-
20
6
20
-
20
4
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ADDRESS SETUP TIME
ADDRESS HOLD TIME
AEN SETUP TIME
0
5
0
5
-
-
-
-
-
-
-
-
-
-
-
-
-
Th(A)
Tsu(AEN)
Th(AEN)
Tv(CS16-A)
AEN HOLD TIME
/IOCS16 VALID FROM ADDRESS CHANGE
Tdis(CS16-A) /IOCS16 DISABLE FROM ADDRESS CHANGE
-
-
Tv(RDY)
Tdis(RDY)
Ten(RD)
Tdis(RD)
Tsu(WR)
Th(WR)
RDY VALID FROM /IORD OR /IOWR
RDY DISABLE FROM /IORD OR /IOWR
OUTPUT ENABLE TIME FROM /IORD
OUTPUT DISABLE TIME FROM /IORD
DATA SETUP TIME
0
-
0.5
5
5
DATA HOLD TIME
-
27
ASIX ELECTRONICS CORPORATION
ASIX [ ASIX ELECTRONICS CORPORATION ]
