HD64F2149 Datasheet, PDF (774/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 25.3 Permissible Output Currents
Conditions: V_CC = 2.7 V to 3.6 V, V_CCB = 2.7 V to 5.5 V, V_SS = 0 V, T_a = –20 to +75°C
Item
Symbol Min Typ Max Unit
Permissible output
low current (per pin)
SCL1, SCL0, SDA1, SDA0, I_OL
PS2AC to PS2CC,
PS2AD to PS2CD,
PA7 to PA4 (bus drive
function selected)
—
—
10
mA
Ports 1, 2, 3
—
—
2
mA
RESO
—
—
1
mA
Other output pins
—
—
1
mA
Permissible output Total of ports 1, 2, and 3
∑ I_OL
—
—
40
mA
low current (total)
Total of all output pins,
including the above
—
—
60
mA
Permissible output All output pins
high current (per pin)
–I _OH
—
—
2
mA
Permissible output
high current (total)
Total of all output pins
∑ –I_OH
—
—
30
mA
Notes: 1. To protect chip reliability, do not exceed the output current values in table 25.3.
2. When driving a Darlington pair or LED, always insert a current-limiting resistor in the
output line, as show in figures 25.1 and 25.2.
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