Datasheet

Section 25 Electrical Characteristics
Rev.6.00 Mar. 18, 2009 Page 885 of 980
REJ09B0050-0600
Item Symbol Min Max Unit Test Conditions
Precharge time 1 t
PCH1
1.0 × t
cyc
–20 — ns
Precharge time 2 t
PCH2
1.5 × t
cyc
–20 — ns
Figures 25.6 to
25.19
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 25.20 and
25.21
WAIT setup time t
WTS
25 — ns
WAIT hold time t
WTH
5 — ns
Figures 25.8 and
25.14
BREQ setup time t
BREQS
30 — ns Figure 25.22
BACK delay time t
BACD
— 15 ns
Bus floating time t
BZD
— 40 ns
BREQO delay time t
BRQOD
— 25 ns Figure 25.23