Table of Contents
Table 20.5 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 20.5.
2. When driving a darlington pair, always insert a current-limiting resistor in the output line,
as shown in figures 20.1.
H8/3006 and H8/3007
Figure 20.1 Darlington Pair Drive Circuit (Example)
= 2.7 V to 5.5 V, V
CC
= 0 V, T
= –20°C to +75°C (regular specifications),
SS
a
A
to A
19
0
Other output pins
Total of 20 pins in
A
to A
19
0
Total of all output pins,
including the above
All output pins
Total of all output pins
Port
= 2.7 V to AV
REF
Symbol
Min
I
—
OL
—
ΣI
—
OL
—
|–I
|
—
OH
|Σ–I
|
—
OH
2 kΩ
Darlington pair
,
CC
Typ
Max
Unit
—
10
mA
—
2.0
mA
—
80
mA
—
120
mA
—
2.0
mA
—
40
mA
581
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