366
Table 15.3
Control Signal Timing (cont)
V
CC
= 1.8 V to 5.5 V, AV
CC
= 1.8 V to 5.5 V, V
SS
= AV
SS
= 0.0 V, T
a
= –20
°
C to +75
°
C
(including subactive mode) unless otherwise indicated.
Applicable
Values
Reference
Item
Symbol Pins
Min
Typ
Max
Unit
Test Condition
Figure
Oscillation
stabilization time
t
rc
X
1
, X
2
—
—
2.0
s
External clock high
t
CPH
OSC
1
25
—
—
ns
V
CC
= 4.5 V to 5.5 V Figure 15.1
width
*
2
40
—
—
V
CC
= 2.7 V to 5.5 V Figure 15.1
200
—
—
V
CC
= 1.8 V to 5.5 V
X
1
—
15.26
or
13.02
—
µ
s
External clock low
t
CPL
OSC
1
25
—
—
ns
V
CC
= 4.5 V to 5.5 V Figure 15.1
width
*
2
40
—
—
V
CC
= 2.7 V to 5.5 V Figure 15.1
200
—
—
V
CC
= 1.8 V to 5.5 V
X
1
—
15.26
or
13.02
—
µ
s
External clock rise
t
CPr
OSC
1
—
—
6
ns
V
CC
= 4.5 V to 5.5 V Figure 15.1
time
*
2
—
—
10
V
CC
= 2.7 V to 5.5 V Figure 15.1
—
—
25
V
CC
= 1.8 V to 5.5 V
X
1
—
—
55.0
ns
External clock fall
t
CPf
OSC
1
—
—
6
ns
V
CC
= 4.5 V to 5.5 V Figure 15.1
time
*
2
—
—
10
V
CC
= 2.7 V to 5.5 V Figure 15.1
—
—
25
V
CC
= 1.8 V to 5.5 V
X
1
—
—
55.0
ns
Pin
RES
low width
t
REL
RES
10
—
—
t
cyc
Figure 15.2