Renesas H8/3067 Series User Manual page 753

Item
RAS access time
Address access time
CAS access time
WE setup time
WE hold time
Write data setup time
WE write data hold time
CAS setup time 1
CAS setup time 2
CAS hold time
RAS pulse width
A
Symbol Min Max
t — 2.5 t
RAC
– 70
t — 2.0 t
AA
– 80
t — 1.5 t
CAC
– 80
t 0.5 t —
WCS cyc
– 35
t 0.5 t —
WCH cyc
– 28
t 0.5 t —
WDS cyc
– 35
t 0.5 t —
WDH cyc
– 25
t 0.5 t —
CSR1 cyc
– 25
t 0.5 t —
CSR2 cyc
– 25
t 0.5 t —
CHR cyc
– 25
t 1.5 t —
RAS cyc
– 25
Section 21 Electrical Characteristics
Condition
B
Min Max
— 2.5 t
cyc cyc
– 40
— 2.0 t
cyc cyc
– 50
— 1.5 t
cyc cyc
– 50
0.5 t —
cyc
– 20
0.5 t —
cyc
– 15
0.5 t —
cyc
– 20
0.5 t —
cyc
– 15
0.5 t —
cyc
– 20
0.5 t —
cyc
– 15
0.5 t —
cyc
– 15
1.5 t —
cyc
– 15
Rev. 4.00 Jan 26, 2006 page 729 of 938
Test
Unit
Conditions
ns Figure 21.17
to
figure 21.19
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
REJ09B0276-0400