ax88196 ASIX Electronics Corporation, ax88196 Datasheet - Page 29

• Manufacturer Part Number: ax88196
• Description: Non-pci 8/16-bit 10/100m Fast Ethernet Mac Controller With Embedded Memory
• Manufacturer: ASIX Electronics Corporation

SA[9:1],SAL,SAH
/UDS,/LDS
(Read)
R/W
(Write)
R/W
/DTACK
(Read Data)
SD[15:0](Dout)
(Write Data)
SD[15:0](Din)
*Note : 60 ns at internal operation clock is 20MHz.
Tsu(A)
Th(A)
Tv(DS-WR)
Tdis(WR-DS) /W DISABLE FROM /UDS OR /LDS
Tv(DTACK)
Tdis(DTACK) DACK DISABLE FROM /UDS OR /LDS
Ten(DS)
Tdis(DS)
Tsu(DS)
Th(DS)
Tw(DS)
Symbol
6.4.5 68K Type I/O Access Timing
50 ns at internal operation clock is 25MHz.
AX88196
ADDRESS SETUP TIME
ADDRESS HOLD TIME
/UDS OR /LDS VALID FROM /W
DACK VALID FROM /UDS OR /LDS
OUTPUT ENABLE TIME FROM /UDS OR /LDS
OUTPUT DISABLE TIME FROM /UDS OR /LDS
DATA SETUP TIME
DATA HOLD TIME
/UDS OR /LDS WIDTH TIME
Tv(DS-WR)
Tv(DTACK)
Description
Tsu(A)
Ten(DS)
Tsu(DS)
Tw(DS)
Local CPU BUS MAC Controller
29
Tdis(DTACK)
Tdis(DS)
DATA Valid
DATA Input Establish
Th(A)
Min
*60
0.5
0
5
0
5
0
5
5
-
-
ASIX ELECTRONICS CORPORATION
Typ.
Tdis(WR-DS)
-
-
-
-
-
-
-
-
-
-
Th(DS)
Max
20
20
4
-
-
-
-
-
-
-
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns