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790
Table 26.7
Bus Timing (Conditions: V
CC
= 3.0*
1
to 3.6V, AV
CC
= 3.0*
1
to 3.6V, AV
CC
= V
CC
± 10%, AV
ref
= 3.0*
1
to AV
CC
, V
SS
= AV
SS
= 0V, T
a
= –20 to +75
°
C)
Item
Symbol
Min
Max
Unit
Figure
Write address setup time
t
AS
0
—
ns
26.8, 9
Write address hold time
t
WR
5
—
ns
26.8, 9, 19
Write data hold time
t
WRH
0
—
ns
Read/write strobe delay time 1 t
RWD1
3
*
2
27
ns
26.11–16
Read/write strobe delay time 2 t
RWD2
3
*
2
27
ns
High-speed page mode
CAS
t
CP
t
cyc
–35
—
ns
26.16
RAS
precharge time
t
RP
t
cyc
×
(TPC+1.5) –20 —
ns
26.11–16
CAS
setup time
t
CSR
10
—
ns
26.17, 18
AH
delay time 1
t
AHD1
3
*
2
40
ns
26.19
AH
delay time 2
t
AHD2
3
*
2
40
ns
Multiplex address delay time
t
MAD
3
*
2
35
ns
Multiplex address hold time
t
MAH
0
—
ns
DACK delay time 1
t
DACKD1
3
*
2
45
ns
26.8, 9, 11–16,19
Notes: TPC is the set value of the TPC bit in DCR.
*
1 SH7042/43 ZTAT (excluding A mask) are 3.2V
*
2 Min values for delay time are reference values (typ)
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