Hitachi H8S/2678 Series Reference Manual page 402

Control Signal Timing
Table 7.5 Control Signal Timing
Condition A*: V
CC
V
SS
specifications), T
Condition B: V
CC
V
SS
specifications), T
* In planning stage
Item
RES setup time
RES pulse width
NMI setup time
NMI hold time
NMI pulse width
(in recovery from software
standby mode)
IRQ setup time
IRQ hold time
IRQ pulse width
(in recovery from software
standby mode)
= 2.7 V to 3.6 V, AV
= AV = 0 V, ø = 2 MHz to 20 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
= 3.0 V to 3.6 V, AV
= AV = 0 V, ø = 2 MHz to 33 MHz, T
SS
= –40°C to +85°C (wide-range specifications)
a
Symbol
t
RESS
t
RESW
t
NMIS
t
NMIH
t
NMIW
t
IRQS
t
IRQH
t
IRQW
= 2.7 V to 3.6 V, V
CC
a
= 3.0 V to 3.6 V, V
CC
a
Condition A
Min Max Min
200 — 200
20 — 20
150 — 150
10 — 10
200 — 200
150 — 150
10 — 10
200 — 200
= 2.7 V to AV
ref CC
= –20°C to +75°C (regular
= 3.0 V to AV
ref CC
= –20°C to +75°C (regular
Condition B
Max Unit
— ns
— t
cyc
— ns
—
—
— ns
—
—
,
,
Test
Conditions
Figure 7.4
Figure 7.5
385