Datasheet

Section 24 Electrical Characteristics
Rev. 3.00 Mar 17, 2006 page 878 of 926
REJ09B0283-0300
Item Symbol Min Max Unit Test Conditions
Self-refresh precharge time 1 t
RPS1
2.5 × t
cyc
– 20 — ns
Self-refresh precharge time 2 t
RPS2
3.0 × t
cyc
– 20 — ns
Figures 24.22,
24.23
WAIT setup time t
WTS
25 — ns Figure 24.15
WAIT hold time t
WTH
5 — ns
BREQ setup time t
BREQS
30 — ns Figure 24.24
BACK delay time t
BACD
— 15 ns
Bus floating time t
BZD
— 40 ns
BREQO delay time t
BRQOD
— 25 ns Figure 24.25
Address delay time 2
*
t
AD2
— 16.5 ns Figure 24.26
CS delay time 4
*
t
CSD4
— 16.5 ns Figure 24.26
DQM delay time
*
t
DQMD
— 16.5 ns Figure 24.26
CKE delay time
*
t
CKED
— 16.5 ns Figure 24.27
Read data setup time 3
*
t
RDS3
15 — ns Figure 24.26
Read data hold time 3
*
t
RDH3
0 — ns Figure 24.26
Write data delay time 2
*
t
WDD2
— 31.5 ns Figure 24.26
Write data hold time 4
*
t
WDH3
2 — ns Figure 24.26
Note: * Not supported in the H8S/2678 Group.