Now, if you look at datasheet, p236, for the 946 chip.
Output Low is 0.6 Volt at only 8.5mA but,
Output High Vdd-0.7 Volt at 3.0mA
So, yes. It is better to sink than source.
Ioannis
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Re: HW-179 8-Digit 7-Segment LED Display (MAX7219 Driver)
Now, if you look at datasheet, p236, for the 946 chip.
Output Low is 0.6 Volt at only 8.5mA but,
Output High Vdd-0.7 Volt at 3.0mA
So, yes. It is better to sink than source.
Ioannis
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