W89C940 Datasheet, PDF (52/61 Pages) Winbond – ELANC-PCI (TWISTED-PAIR ETHER-LAN CONTROLLER WITH PCI INTERFACE)

W89C940
Local Read cycle
CLK
MSA0-13
RCSB
MSRDB
MSWRB
MSD0-7
(Read)
1
2
3
4
T2
T1
T4
5
6
7
8
T8
T3
T5
T6
T7
T6
T7
SYMBOL
DESCRIPTION
T1
clock 1 to RCSB and MSA valid (note 2)
T2
clock 3 to MSA valid
T3
clock 6 to RCSB deasserted time
T4
clock 1 to MSRDB valid
T5
clock 6 to MSRDB deasserted time
T6
MSD setup tim to clock 3
T7
MSD hold time from clock 3
T8
MSD hold time from clock 8
MIN TYPIC MAX
AL
4
8
12
20
24
28
4
8
12
8
12
16
8
12
16
24
28
32
24
28
32
Local Write cycle
0
1
2
3
12
34
56
7
CLK
MSA0-13
RCSB
T2
T6
T1
T10
T5
MSRDB
MSWRB
MSD0-7
T3 _T4
T11
T3 _T4
T7
T8
T9
SYMBOL
DESCRIPTION
52
MIN TYPIC MAX
AL