CHAPTER 19 ELECTRICAL SPECIFICATIONS
User’s Manual U18172EJ2V0UD
285
DC Characteristics (T
A
=
−
40 to +85
°
C, V
DD
= 2.0 to 5.5 V
Note
, V
SS
= 0 V) (1/2)
Parameter Symbol
Conditions
MIN.
TYP.
MAX.
Unit
Per pin
2.0 V
≤
V
DD
≤
5.5 V
–5
mA
4.0 V
≤
V
DD
≤
5.5 V
–25
mA
Output current, high
I
OH
Total of all pins
2.0 V
≤
V
DD
< 4.0 V
–15
mA
Per pin
2.0 V
≤
V
DD
≤
5.5 V
10
mA
4.0 V
≤
V
DD
≤
5.5 V
30
mA
Output current, low
I
OL
Total of all pins
2.0 V
≤
V
DD
< 4.0 V
15
mA
V
IH1
P23 in external clock mode and pins other than
P20 and P21
0.8V
DD
V
DD
V
Input voltage, high
V
IH2
P23 in other than external clock mode, P20 and
P21
0.7V
DD
V
DD
V
V
IL1
P23 in external clock mode and pins other than
P20 and P21
0
0.2V
DD
V
Input voltage, low
V
IL2
P23 in other than external clock mode, P20 and
P21
0
0.3V
DD
V
Total of output pins
I
OH
= –15 mA
4.0 V
≤
V
DD
≤
5.5 V
I
OH
= –5 mA
V
DD
– 1.0
V
Output voltage, high
V
OH
I
OH
= –100
µ
A 2.0
V
≤
V
DD
< 4.0 V
V
DD
– 0.5
V
Total of output pins
I
OL
= 30 mA
4.0 V
≤
V
DD
≤
5.5 V
I
OL
= 10 mA
1.3
V
Output voltage, low
V
OL
2.0 V
≤
V
DD
< 4.0 V
I
OL
= 400
µ
A
0.4
V
Input leakage current, high
I
LIH
V
I
= V
DD
Pins other than X1
1
µ
A
Input leakage current, low
I
LIL
V
I
= 0 V
Pins other than X1
–1
µ
A
Output leakage current, high I
LOH
V
O
= V
DD
Pins other than X2
1
µ
A
Output leakage current, low
I
LOL
V
O
= 0 V
Pins other than X2
–1
µ
A
Pull-up resistance value
R
PU
V
I
= 0 V
10
30
100
k
Ω
Pull-down resistance value
R
PD
P22, P23, reset status
10
30
100
k
Ω
Note
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.
Remark
Unless specified otherwise, the characteristics of alternate-function pins are the same as those of port pins.