Datasheet

Section 20 Electrical Characteristics
Rev.7.00 Feb. 14, 2007 page 855 of 1108
REJ09B0089-0700
20.3.3 AC Characteristics
(1) Clock Timing
Table 20.23 Clock Timing
Condition B: V
CC
= 3.0 V to 3.6 V, AV
CC
= 3.0 V to 3.6 V, V
ref
= 3.0 V to AV
CC
, V
SS
= AV
SS
=
0 V, φ = 2 MHz to 25 MHz, T
a
= –20°C to 75°C (regular specifications),
T
a
= –40°C to 85°C (wide-range specifications)
Item Symbol Min Max Unit Test Conditions
Clock cycle time t
cyc
40 500 ns Figure 20.2
Clock pulse high width t
CH
15 — ns
Clock pulse low width t
CL
15 — ns
Clock rise time t
Cr
— 5 ns
Clock fall time t
Cf
— 5 ns
Reset oscillation stabilization time
(crystal)
t
OSC1
10 — ms Figure 20.3
Software standby oscillation
stabilization time (crystal)
t
OSC2
10 — ms
External clock output stabilization
delay time
t
DEXT
500 — μs Figure 20.3