FIGURE 21 - SRAM INTERFACE
t34
t35
RA2-RA16
t36
RnWE0-nRWE3
nROE
t37
t38
RD0-RD31
data out
data in
WRITE CYCLE
READ CYCLE
PARAMETER
MIN
0
TYP
MAX
UNITS
ns
t34
t35
RA2-RA16nn Setup to nRWE-0-nRWE3 Falling
RA2-RA16nn Hold After nRWE-0-nRWE3, nROE
Rising
0
ns
t36
t37
t38
Write - RD0-RD31 Setup to nRWE0-nRWE3 Rising
Write - RD0-RD31 Hold after nRWE0-nRWE3 Rising
Read - RA2-RA16 Valid to RD0-RD31 Valid
12
0
ns
ns
ns
25
82