Datasheet

Section 25 Electrical Characteristics
Rev.6.00 Mar. 18, 2009 Page 920 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 Figure 25.14
WAIT hold time t
WTH
5 — ns
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
Table 0.•
DMAC Timing
Table 25.21 DMAC Timing
Conditions: V
CC
= 3.0 V to 3.6 V, AV
CC
= 3.0 V to 3.6 V, V
ref
= 3.0 V to AV
CC
, V
SS
= AV
SS
= 0 V,
φ = 8 MHz to 33 MHz, T
a
= –20°C to +75°C (regular specifications),
T
a
= –40°C to +85°C (wide-range specifications)
Item Symbol Min Max Unit Test Conditions
DREQ setup time t
DRQS
25 — ns Figure 25.27
DREQ hold time t
DRQH
10 —
TEND delay time t
TED
— 18 ns Figure 25.26
DACK delay time 1 t
DACD1
— 18 Figures 25.24 and 25.25
DACK delay time 2 t
DACD2
— 18