Datasheet

Rev.6.00 Oct.28.2004 page 746 of 1016
REJ09B0138-0600H
ø
BREQO
t
BRQOD
t
BRQOD
Figure 22-81 External Bus Request Output Timing
(4) DMAC Timing
Table 22-29 lists the DMAC timing.
Table 22-29 DMAC Timing
Condition A: V
CC
= 2.7 V to 5.5 V, AV
CC
= 2.7 V to 5.5 V, V
ref
= 2.7 V to AV
CC
,
V
SS
= AV
SS
= 0V, ø = 2 to 10 MHz, T
a
= –20 to +75°C (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition B: V
CC
= 5.0 V ± 10%, AV
CC
= 5.0 V ± 10%, V
ref
= 4.5 V to AV
CC
,
V
SS
= AV
SS
= 0 V, ø = 2 to 20 MHz, T
a
= –20 to +75°C (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition C: V
CC
= 3.0 to 5.5 V, AV
CC
= 3.0 to 5.5 V, V
ref
= 3.0 V to AV
CC
,
V
SS
= AV
SS
= 0 V, ø = 2 to 13 MHz, T
a
= –20 to +75°C (regular specifications),
T
a
= –40 to +85°C (wide-range specifications)
Condition A Condition B Condition C
Test
Item Symbol Min Max Min Max Min Max Unit Conditions
DREQ setup time t
DRQS
40 — 30 — 40 — ns Figure 22-85
DREQ hold time t
DRQH
10 — 10 — 10 —
TEND delay time t
TED
— 40 — 20 — 40 Figure 22-84
DACK delay time 1 t
DACD1
— 40 — 20 — 40 ns Figure 22-82,
DACK delay time 2 t
DACD2
—40—20—40
Figure 22-83