FIGURE 14 - ASYNCHRONOUS CYCLE - USING nADS
ADDRESS
nADS
A1-A15, AEN,nBE0-nBE3 valid
t8
t9
t3
t4
READ DATA
nRD, nWR
t1
t5
t5A
WRITE DATA
D0-D31 valid
PARAMETER
MIN
TYP
MAX
UNITS
t1
A1-A15, AEN, nBE0-nBE3 Valid and nADS Low Setup
to nRD, nWR Active
25
ns
t3
t4
nRD Low to Valid Data
40
30
ns
ns
ns
ns
ns
ns
nRD High to Data Floating
t5
Data Setup to nWR Inactive
30
5
t5A
t8
Data Hold After nWR Inactive
A1-A15, AEN, nBE0-nBE3 Setup to nADS Rising
A1-A15, AEN, nBE0-nBE3 Hold after nADS Rising
10
15
t9
73