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CHAPTER 22 ELECTRICAL SPECIFICATIONS (
AC Characteristics
(1) Basic operation (T
Parameter
Symbol
Cycle time (minimum
T
CY
instruction execution
time)
Capture input high-/low-
t
CPTH
level width
t
CPTL
TMI60, TMI61 input
f
TI
frequency
TMI60, TMI61 input
t
,
TIH
high-/low-level width
t
TIL
Interrupt input high-
t
INTH
/low-level width
t
INTL
Key return input low-
t
KRL
level width
RESET low-level width
t
RSL
352
= –40 to +85°C, V
= 1.8 to 5.5 V)
A
DD
Conditions
Operating with main system
clock
Operating
Original
with
oscillation
subsystem
operation
clock
× 4
multiplication
operation
,
CPT20
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
,
INTP0 to INTP3
µ
KR0 to KR7(
PD789488, 78F9488)
KR00 to KR07, KR10 to KR17 (
78F9489)
T
vs. V
CY
DD
60
10
8.0
1.0
0.4
0.1
1
2
Power supply voltage V
User's Manual U15331EJ4V1UD
µ
PD789488, 78F9488, 789489, 78F9489)
V
= 2.7 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
V
= 1.8 to 5.5 V
DD
V
= 2.7 to 5.5 V
DD
µ
789489,
(main system clock)
Guaranteed
operation range
3
4
5
6
(V)
DD
MIN.
TYP.
MAX.
0.4
8.0
1.6
8.0
114
122
125
14.3
15.3
15.6
10
0
4
0
275
0.125
1.8
10
10
10
10
Unit
µ
s
µ
s
µ
s
µ
s
µ
s
MHz
kHz
µ
s
µ
s
µ
s
µ
s
µ
s
µ
s
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