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HD6473258F10V Datasheet, PDF (243/301 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer | |||
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Table 15-4. Allowable Output Current Sink Values
Conditions: VCC = 5.0V ±10%, VSS = 0V, Ta = â20 to 75ËC (regular specifications)
Ta = â40 to 85ËC (wide-range specifications)
Item
Symbol min
typ max
Unit
Allowable output low Ports 1 and 2
IOL
â
â
10
mA
current sink (per pin) Other output pins
â
â
2.0
mA
Allowable output low Ports 1 and 2, total ΣIOL
â
â
80
mA
current sink (total)
All output pins
â
â
120
mA
Allowable output high All output pins
âIOH
â
â
2.0
mA
current sink (per pin)
Allowable output high Total of all output ΣâIOH â
â
40
mA
current sink (total)
Note: To avoid degrading the reliability of the chip, be careful not to exceed the output current
sink values in table 15-4. In particular, when driving a Darlington pair or LED directly, be sure to
insert a current-limiting resistor in the output path. See figures 17-1 and 17-2.
H8/325
series
Port
2 kâ¦
Darlington
pair
Figure 15-1. Example of Circuit for Driving a Darlington Pair
H8/325
series
Port 1 or 2
Vcc
Fig. 15-1
600 â¦
LED
Figure 15-2. Example of Circuit for Driving a LED
240
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