W89C940 Datasheet, PDF (42/61 Pages) Winbond – ELANC-PCI (TWISTED-PAIR ETHER-LAN CONTROLLER WITH PCI INTERFACE)

W89C940
T4
clock n+4 to MSRDB valid
22
27
30
nsec
T5
clock n+7 to MSRDB deasserted time
15
20
25
nsec
T6
MSD setup tim to clock n+6
7
nsec
T7
MSD hold time from clock n+6
0
nsec
T8
MSD hold time from clock n+8
nsec
Remote Read Double Word Access Cycle
0
1
2
3
n+4 n+5
CLK
n+6 n+7 n+8 _n+9
n+10 n+11 n+12
n+13 n+14
FRAME#
AD[31::0]
C_BE#[3:0]
IRDY#
ADDRESS
BUS CMD
BE#'s
DATA
TRDY#
DEVSEL#
MSA0-13
RCSB
MSRDB
MSWRB
MSD0-7
(Read)
T2
T1
T4
T8
T2
T8
T3
T5
T6
T7
T6
T7
T6
T7
T6
T7
SYMBOL
DESCRIPTION
MIN
T1
clock n+4 to RCSB and MSA valid (note
20
2)
T2
clock n+6 to MSA valid
25
T3
clock n+7 to RCSB deasserted time
10
T4
clock n+4 to MSRDB valid
22
T5
clock n+7 to MSRDB deasserted time
15
T6
MSD setup tim to clock n+6
7
T7
MSD hold time from clock n+6
0
T8
MSD hold time from clock n+8
Remote Write Byte Access Cycle
TYPICAL
25
28
15
27
20
MAX
30
30
20
30
25
UNIT
nsec
nsec
nsec
nsec
nsec
nsec
nsec
nsec
42