CHAPTER 20 ELECTRICAL SPECIFICATIONS ((T) product, (S) product, (R) product, (A) product)
User’s Manual U16898EJ3V0UD
335
(T), (S), (R), (A) product T
A
=
−
40 to
+
85
°
C
AC Characteristics
(1) Basic operation (T
A
=
−
40 to +85
°
C, V
DD
= 2.0 to 5.5 V
Note 1
, V
SS
= 0 V)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
4.0 V
≤
V
DD
≤
5.5 V
0.2
16
µ
s
3.0 V
≤
V
DD
< 4.0 V
0.33
16
µ
s
2.7 V
≤
V
DD
< 3.0 V
0.4
16
µ
s
Crystal/ceramic oscillation
clock, external clock input
2.0 V
≤
V
DD
< 2.7 V
1
16
µ
s
4.0 V
≤
V
DD
≤
5.5 V
0.23
4.22
µ
s
2.7 V
≤
V
DD
< 4.0 V
0.47
4.22
µ
s
Cycle time (minimum
instruction execution time)
T
CY
High-speed internal
oscillation clock
2.0 V
≤
V
DD
< 2.7 V
0.95
4.22
µ
s
4.0 V
≤
V
DD
≤
5.5 V
2/fsam+
0.1
Note 2
µ
s
TI000 input high-level width,
low-level width
t
TIH
,
t
TIL
2.0 V
≤
V
DD
< 4.0 V
2/fsam+
0.2
Note 2
µ
s
Interrupt input high-level
width, low-level width
t
INTH
,
t
INTL
1
µ
s
RESET input low-level
width
t
RSL
2
µ
s
Notes 1.
Use this product in a voltage range of 2.2 to 5.5 V because the detection voltage (V
POC
) of the power-on-
clear (POC) circuit is 2.1 V
±
0.1 V.
2.
Selection of fsam = f
XP
, f
XP
/4, or f
XP
/256 is possible using bits 0 and 1 (PRM000, PRM001) of prescaler
mode register 00 (PRM00). Note that when selecting the TI000 valid edge as the count clock, fsam = f
XP
.