Table 22.44 Control Signal Timing
Condition:
T
= –20°C to +75°C (regular specifications),
a
T
= –40°C to 85°C (wide-range specifications)
a
Condition A: V
= 5.0 V ± 10%, AV
CC
fmax = 20 MHz
Condition B: V
= 5.0 V ± 10%, AV
CC
fmax = 25 MHz
Item
RES setup time
RES pulse width
Mode programming setup time
NMI, IRQ setup time
NMI, IRQ hold time
NMI, IRQ pulse width
= 5.0 V ± 10%, V
CC
= 5.0 V ± 10%, V
CC
Condition
A and B
Symbol
Min
t
150
RESS
t
20
RESW
t
200
MDS
t
150
NMIS
t
10
NMIH
t
200
NMIW
= 4.5 to AV
, V
REF
CC
= 4.5 to AV
, V
REF
CC
Max
Unit
—
ns
—
t
cyc
—
ns
—
ns
—
ns
—
ns
= AV
= 0 V,
SS
SS
= AV
= 0 V,
SS
SS
Test
Conditions
Figure 22.20
Figure 22.22
731