HD6475348R Datasheet, PDF (349/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

Table 20-5 Allowable Output Current Values
(5-V Versions)
– Preliminary for S-Mask Versions–
Conditions: VCC = 5.0 V ±10%, AVCC = 5.0 V ±10%, VSS = AVSS = 0 V,
Ta = –20 to +75˚C (Regular Specifications)
Ta = –40 to +85˚C (Wide-Range Specifications)
Item
Symbol Min Typ Max Unit
Allowable output
Low current (per pin)
Port 4
RES
IOL
–
–
10
mA
–
–
3.0
mA
Other output pins
–
–
2.0
mA
Allowable output
Low current (total)
Port 4, total of 8 pins Σ IOL
Total of all output pins
–
–
40
mA
–
–
80
mA
Allowable output
All output pins
High current (per pin)
–IOH
–
–
2.0
mA
Allowable output
High current (total)
Total of all output
pins
Σ –IOH
–
–
25
mA
Table 20-6 Allowable Output Current Values (3-V S-Mask Versions)
–Preliminary–
Conditions: VCC = 3.0 to 5.5 V, VSS = AVSS = 0 V, Ta = –20 to +75˚C (Regular Specifications),
AVCC = 3.0 to 5.5 V^*1
Item
Symbol Min Typ Max Unit
Allowable output
Low current (per pin)
Port 4
RES
IOL
–
–
10
mA
–
–
3.0
mA
Other output pins
–
–
2.0
mA
Allowable output
Low current (total)
Port 4, total of 8 pins Σ IOL
Total of all output pins
–
–
40
mA
–
–
80
mA
Allowable output
All output pins
High current (per pin)
–IOH
–
–
2.0
mA
Allowable output
Total of all output pins Σ –IOH
–
–
25
mA
High current (total)
Note: *1 To avoid degrading the reliability of the chip, be careful not to exceed the output current
sink values in table 20-5. In particular, when driving a Darlington transistor pair or LED
directly, be sure to insert a current-limiting resistor in the output path. See figures 20-1
and 20-2.
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