W89C940 Datasheet, PDF (43/61 Pages) Winbond – ELANC-PCI (TWISTED-PAIR ETHER-LAN CONTROLLER WITH PCI INTERFACE)

W89C940
CLK
FRAME#
AD[31::0]
C_BE[3:0]#
IRDY#
TRDY#
DEVSEL#
MSA0-13
RCSB
MSRDB
MSWRB
MSD0-7
0
1
2
3
n+5 n+6 n+7 n+8 n+9
ADDRESS
BUS CMD
DATA
BE#'s
DATA
BE#'s
T2
T1
T7
T3 _T4
T5
T6
SYMBOL
DESCRIPTION
MIN
T1
Clock n+5 to MSA, RCSB, and
17
MSD valid (note 2)
T2
clock n+7 to MSA valid
14
T3
clock n+6 to MSWRB valid
9
T4
Write pulse width
4
T5
clock n+5 to MSD valid
7
T6
clock n+7 to MSD deasserted
14
T7
MSA change to MSWRB
17
deasserted time
T8
clock n+7/ n+9 to MSD
16
deasserted
T9
clock n+9 to MSD deasserted
8
File4
Remote Write Word Access Cycle
TYPICAL
22
19
14
9
12
19
22
21
13
MAX
27
24
19
14
17
24
27
26
18
UNIT
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
43