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Section 21 Electrical Characteristics
max. (under normal operations) = 1.0 (mA) + 0.90 (mA/(MHz × V)) × V
3. I
CC
I
max. (when using the sleeve)
CC
I
max. (when the sleeve + module are standing by)
CC
Also, the typ. values for current dissipation are reference values.
Table 21.3 Permissible Output Currents
Conditions: V
= 2.7 V to 5.5 V, AV
CC
V
= AV
SS
T
= –40°C to +85°C (wide-range specifications)
a
Item
Permissible output
low current (per pin)
Permissible output
low current (total)
Permissible output
high current (per pin)
Permissible output
high current (total)
Notes: 1. To protect chip reliability, do not exceed the output current values in table 21.3.
2. When driving a darlington pair, always insert a current-limiting resistor in the output line,
as shown in figures 21.1 and 21.2.
Figure 21.1 Darlington Pair Drive Circuit (Example)
Rev. 4.00 Jan 26, 2006 page 704 of 938
REJ09B0276-0400
= 2.7 V to 5.5 V, V
CC
= 0 V, T
= –20°C to +75°C (regular specifications),
SS
a
Ports 1, 2, and 5
Other output pins
Total of 20 pins in
Ports 1, 2, and 5
Total of all output pins,
including the above
All output pins
Total of all output pins
H8/3067
Group
Port
= 1.0 (mA) + 0.65 (mA/(MHz × V)) × V
= 1.0 (mA) + 0.45 (mA/(MHz × V)) × V
= 2.7 V to AV
REF
Symbol
I
OL
ΣI
OL
|–I
|
OH
|–ΣI
|
OH
2 kΩ
Darlington pair
× f
CC
× f
CC
× f
CC
,
CC
Min
Typ
Max
Unit
—
—
10
mA
—
—
2.0
mA
—
—
80
mA
—
—
120
mA
—
—
2.0
mA
—
—
40
mA
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