
CHAPTER 29 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS, (A) GRADE PRODUCTS)
User’s Manual U16228EJ2V0UD
477
AC Characteristics
(1) Basic operation
(T
A
=
40 to +85
°
C, 2.7 V
≤
V
DD
= EV
DD
≤
5.5 V, 2.7 V
≤
AV
REF
≤
V
DD
, V
SS
= EV
SS
= AV
SS
= 0 V)
Parameter
Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Note 1
4.0 V
≤
V
DD
≤
5.5 V 0.238
16
μ
s
4.0 V
≤
V
DD
≤
5.5 V
0.2
16
μ
s
3.3 V
≤
V
DD
< 4.0 V 0.238
16
μ
s
X1 input
clock
Note 2
2.7 V
≤
V
DD
< 3.3 V
0.4
16
μ
s
Main
system
clock
operation
Ring-OSC clock
4.17
8.33
16.67
μ
s
Instruction cycle (minimum
instruction execution time)
T
CY
Subsystem clock operation
114
122
125
μ
s
4.0 V
≤
V
DD
≤
5.5 V
2/f
sam
+
0.1
Note 4
μ
s
TI000, TI010, TI001
TI011
low-level width
Note 3
,
Note 3
input high-level width,
t
TIH0
,
t
TIL0
2.7 V
≤
V
DD
< 4.0 V
2/f
sam
+
0.2
Note 4
μ
s
4.0 V
≤
V
DD
≤
5.5 V
10
TI50, TI51 input frequency
f
TI5
2.7 V
≤
V
DD
< 4.0 V
5
MHz
4.0 V
≤
V
DD
≤
5.5 V
50
ns
TI50, TI51 input high-level width,
low-level width
t
TIH5
,
t
TIL5
2.7 V
≤
V
DD
< 4.0 V
100
ns
Interrupt input high-level width,
low-level width
t
INTH
,
t
INTL
1
μ
s
4.0 V
≤
V
DD
≤
5.5 V
50
ns
Key return input low-level width t
KR
2.7 V
≤
V
DD
< 4.0 V
100
ns
RESET low-level width
t
RSL
10
μ
s
Notes 1.
When the REGC pin is connected to V
SS
via a capacitor (1
μ
F: recommended).
2.
When the REGC pin is directly connected to V
DD
.
3.
μ
PD780133, 780134, 78F0134, 780136, 780138, 78F0138, 780133(A), 780134(A), 78F0134(A),
780136(A), 780138(A), and 78F0138(A) only.
4.
Selection of f
sam
= f
XP
, f
XP
/4, f
XP
/256, or f
XP
, f
XP
/16, f
XP
/64 is possible using bits 0 and 1 (PRM000, PRM001
or PRM010, PRM011) of prescaler mode registers 00 and 01 (PRM00, PRM01). Note that when selecting
the TI000 or TI001 valid edge as the count clock, f
sam
= f
XP.