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The outputs of the eBOX GPI8 GPI ports on the 25 pin D-
subminiture connector are also CMOS. The output signal is
referenced to pin 1 of the GPI Output Port. The GPI Outputs are
rated to +/- 6mA. If this is not sufficient for your application,
consider using the eBOX I/O.
Note: Because the inputs are CMOS, the output voltage MUST be
limited to voltage levels between 0 and 5 volts. This can occur if
driving a circuit that is powered by a voltage higher than 5 volts. If
this is not possible, consider using the eBOX I/O.
The example circuits below shows a GPI Output driving an LED.
74HC374
Detail of GPI Output
1
74HC374
GPI Output Example #1 with LED
2
5 Volts
1
74HC374
GPI Output Example #2 with LED
2