HD6473032F Datasheet, PDF (443/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

Table 17-3 Permissible Output Currents (1)
Conditions: V_CC = 2.7 V to 5.5 V, AV_CC = 2.7 V to 5.5 V, V_REF = 2.7 V to AV_CC,
V_SS = AV_SS = 0 V, T_a = –20°C to +75°C (regular specifications),
T_a = –40°C to +85°C (wide-range specifications)
Item
Symbol Min Typ Max Unit
Permissible output
low current (per pin)
Ports 1, 2, 5 and B
Other output pins
I_OL
— — 10 mA
— — 2.0 mA
Permissible output
low current (total)
Total of 28 pins including
ports 1, 2, 5 and B
ΣI_OL
— — 80 mA
Total of all output pins,
including the above
— — 120 mA
Permissible output
high current (per pin)
All output pins
I_OH
— — 2.0 mA
Permissible output
high current (total)
Total of all output pins
ΣI_OH
— — 40 mA
Notes: 1. To protect chip reliability, do not exceed the output current values in table 17-3.
2. When driving a darlington pair or LED, always insert a current-limiting resistor in the
output line, as shown in figures 17-1 and 17-2.
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