Measurement Computing PCM-DAC02 - Manual (Page 16)

Configuration Two ports, four bits each.
Programmable as 8 input, 8 output
or 4 input and 4 output
Input low voltage 0.8V max
Input high voltage 2.0V min
Output low voltage (IOL = 4 mA) 0.23V max
Output high voltage (IOH =
−
4 mA) 3.86V min
Absolute maximum input voltage
−
0.5V , +5.5V
Interrupt Enable Programmable
Interrupt Source External (Ext Int), falling edge triggered,
cleared by a read of Base + 0 address
ENVIRONMENTAL
Operating temperature range 0 to 70°C
Storage temperature range
−
40 to 100°C
Humidity 0 to 90% non-condensing
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