Datasheet

Section 17 Electrical Characteristics
Rev.4.00 Nov. 02, 2005 Page 235 of 304
REJ09B0143-0400
17.2.3 AC Characteristics
Table 17.3 AC Characteristics
V
CC
= 3.0 V to 5.5 V, V
SS
= 0.0 V, T
a
= –20°C to +75°C, unless otherwise specified.
Applicable
Values
Reference
Item Symbol Pins Test Condition Min Typ Max Unit Figure
System clock
oscillation
f
OSC
OSC1,
OSC2
V
CC
= 4.0 V to 5.5 V 2.0 — 16.0 MHz *
1
frequency
2.0 — 10.0 MHz
System clock (ø) t
cyc
1 — 64 t
OSC
*
2
cycle time
— — 12.8 µs
Instruction cycle
time
2 — — t
cyc
Oscillation
stabilization time
(crystal resonator)
t
rc
OSC1,
OSC2
— — 10.0 ms
Oscillation
stabilization time
(ceramic resonator)
t
rc
OSC1,
OSC2
— — 5.0 ms
External clock t
CPH
OSC1 V
CC
= 4.0 V to 5.5 V 25.0 — — ns Figure
17.1
high width
40.0 — — ns
External clock t
CPL
OSC1 V
CC
= 4.0 V to 5.5 V 25.0 — — ns
low width
40.0 — — ns
External clock t
CPr
OSC1 V
CC
= 4.0 V to 5.5 V — — 10.0 ns
rise time
— — 15.0 ns
External clock t
CPf
OSC1 V
CC
= 4.0 V to 5.5 V — — 10.0 ns
fall time
— — 15.0 ns