Datasheet

Section 26 Electrical Characteristics
Rev.7.00 Mar. 18, 2009 page 1059 of 1136
REJ09B0109-0700
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 26.21
and 26.22
WAIT setup time t
WTS
25 ⎯ ns
WAIT hold time t
WTH
5 ⎯ ns
Figures 26.9 and
26.15
BREQ setup time t
BREQS
30 ⎯ ns Figure 26.23
BACK delay time t
BACD
⎯ 15 ns
Bus floating time t
BZD
⎯ 40 ns
BREQO delay time t
BRQOD
⎯ 25 ns Figure 26.24
Address delay time 2
*
t
AD2
⎯ 16.5 ns Figure 26.25
CS delay time 4
*
t
CSD4
⎯ 16.5 ns Figure 26.25
DQM delay time
*
t
DQMD
⎯ 16.5 ns Figure 26.25
CKE delay time
*
t
CKED
⎯ 16.5 ns Figures 26.26
and 26.27
Read data setup time 3
*
t
RDS3
15 ⎯ ns Figure 26.25
Read data hold time 3
*
t
RDH3
0 ⎯ ns Figure 26.25
Write data delay time 2
*
t
WDD
⎯ 31.5 ns Figure 26.25
Write data hold time 4
*
t
WDH4
2 ⎯ ns Figure 26.25
Note: * Supported by the H8S/2378R, H8S/2374R, H8S/2372R, H8S/2371R, and H8S/2370R
only.