HD6432345 Datasheet, PDF (664/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

Table 20.13 Permissible Output Currents
Conditions: V_CC = AV_CC = 2.7 to 5.5 V, V_ref = 2.7 to AV_CC, V_SS = AV_SS = 0 V,
T_a = –20 to +75°C (regular specifications), T_a = –40 to +85°C (wide-range
specifications)
Item
Symbol Min
Typ
Max Unit
Permissible output
Port 1, A to C
I _OL
low current (per pin) _{Other output pins}
—
—
10
mA
—
—
2.0
mA
Permissible output
Total of 28 pins
∑ I_OL
—
—
80
mA
low current (total)
including port 1
and A to C
Total of all output
pins, including the
above
—
—
120
mA
Permissible output
All output pins
–I _OH
high current (per pin)
—
—
2.0
mA
Permissible output
Total of all output ∑ –I_OH
—
—
40
mA
high current (total)
pins
Notes: 1. To protect chip reliability, do not exceed the output current values in table 20.13.
2. When driving a darlington pair or LED directly, always insert a current-limiting resistor in
the output line, as show in figures 20.4 and 20.5.
H8S/2345 Series
Port
2k Ω
Darlington Pair
Figure 20.4 Darlington Pair Drive Circuit (Example)
655