
654
Table 20.12 DC Characteristics (cont)
Conditions: V
CC
= AV
CC
= 2.7 to 5.5 V, V
ref
= 2.7 V to AV
CC
, V
SS
= AV
SS
= 0 V*
1
,
T
a
= –20 to +75
°
C (regular specifications), T
a
= –40 to +85
°
C (wide-range
specifications)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Three-state
leakage
current
(off state)
Port 1 to 3,
A to G
I
TSI
—
—
1.0
μ
A
V
=
0.5 to V
CC
–0.5 V
MOS input
pull-up current
Port A to E
–I
P
10
—
300
μ
A
V
= 2.7 V to
5.5 V, V
in
= 0 V
V
in
= 0 V
f = 1 MHz
T
a
= 25
°
C
Input
capacitance
RES
C
in
—
—
80
pF
NMI
—
—
50
pF
All input pins
except
RES
and NMI
—
—
15
pF
Current
dissipation
*
2
Normal
operation
I
CC
*
4
—
18
(3.0 V)
45
mA
f = 10 MHz
Sleep mode
—
11
(3.0 V)
37
mA
f = 10 MHz
Standby
mode
*
3
—
0.01
5.0
μ
A
T
a
≤
50
°
C
50
°
C < T
a
—
—
20
Analog power
supply current
During A/D
and D/A
conversion
Al
CC
—
0.2
(3.0 V)
2.0
mA
Idle
—
0.01
5.0
μ
A
Reference
current
During A/D
and D/A
conversion
Al
CC
—
1.2
(3.0 V)
3.0
mA
V
ref
= 3.0 V
Idle
—
0.01
5.0
μ
A
RAM standby voltage
Notes: 1. If the A/D and D/A converters are not used, do not leave the AV
CC
, AV
SS
, and Vref pins
open.
Connect AV
CC
and V
ref
to V
CC
, and connect AV
SS
to V
SS
.
2. Current dissipation values are for V
min = V
–0.5 V and V
max = 0.5V with all
output pins unloaded and the on-chip pull-up transistors in the off state.
3. The values are for V
RAM
≤
V
CC
< 2.7 V, V
IH
min = V
CC
×
0.9, and V
IL
max = 0.3V.
4. I
CC
depends on V
CC
and f as follows:
I
CC
max = 1.0 (mA) + 0.80 (mA/(MHz
×
V))
×
V
CC
×
f [normal mode]
I
CC
max = 1.0 (mA) + 0.65 (mA/(MHz
×
V))
×
V
CC
×
f [sleep mode]
V
RAM
2.0
—
—
V