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Section 21 Electrical Characteristics
21.1.3
AC Characteristics
Clock timing parameters are listed in table 21.4, control signal timing parameters in table 21.5,
and bus timing parameters in table 21.6. Timing parameters of the on-chip supporting modules are
listed in table 21.7.
Table 21.4 Clock Timing
Condition:
T
= –20°C to +75°C (regular specifications), T
a
specifications)
Condition A: V
= 2.7 to 5.5 V, AV
CC
Condition B: V
= 3.0 to 5.5 V, AV
CC
Condition C: V
= 5.0 V ± 10%, AV
CC
Item
Symbol Min
Clock cycle time
t
cyc
Clock pulse low
t
CL
width
Clock pulse high
t
CH
width
Clock rise time
t
Cr
Clock fall time
t
Cf
Clock oscillator
t
OSC1
settling time at
reset
Clock oscillator
t
OSC2
settling time in
software standby
Rev. 4.00 Jan 26, 2006 page 706 of 938
REJ09B0276-0400
= 2.7 to 5.5 V, V
CC
= 3.0 to 5.5 V, V
CC
= 5.0 V ± 10%, V
CC
Condition
A
Max
Min
100
1000
76.9
30
—
18
30
—
18
—
20
—
—
20
—
20
—
20
7
—
7
= –40°C to +85°C (wide-range
a
= 2.7 to AV
, V
REF
CC
= 3.0 to AV
, V
REF
CC
= 4.5 to AV
, V
REF
CC
B
C
Max
Min
Max
1000
50
1000
—
15
—
—
15
—
15
—
10
15
—
10
—
20
—
—
7
—
= AV
= 0 V
SS
SS
= AV
= 0 V
SS
SS
= AV
= 0 V
SS
SS
Test
Unit
Conditions
ns
Figure 21.11
ns
ns
ns
ns
ms
Figure 21.7
ms
Figure 20.1
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