HD64F2357VF13 Datasheet, PDF (763/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Table 22-25 Permissible Output Currents
Conditions: V_CC = 2.7 to 5.5 V, 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
Ports 1, A to C
I _OL
low current (per pin) _{Other output pins}
—
—
10
mA
—
—
2.0
mA
Permissible output
Total of 32 pins
∑ I _OL
—
—
80
mA
low current (total)
including ports 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 22-25.
2. When driving a darlington pair or LED directly, always insert a current-limiting resistor in the output line, as show
in figures 22-65 and 22-66.
The chip
Port
2 kΩ
Darlington Pair
Figure 22-65 Darlington Pair Drive Circuit (Example)
The chip
600 Ω
Ports 1, A to C
LED
Figure 22-66 LED Drive Circuit (Example)
Rev.6.00 Oct.28.2004 page 733 of 1016
REJ09B0138-0600H