Measurement-computing PC104-DIO48 Manual do Utilizador descarregar pdf (Página 15)

4 SPECIFICATIONS

Power consumption

+5V Operating 130 mA typical, 200 mA max

Digital Input / Output

Digital Type 82C55

Configuration 4 ports of 8, 4 ports of 4,

programmable by port as input or

output

Number of channels 48 I/O

Output High 3.0 volts min @ −2.5 mA

Output Low 0.4 volts max @ 2.5 mA

Input High 2.0 volts min, +5.5 volts absolute max

Input Low 0.8 volts max, −0.5 volts absolute min

Power-up / reset state Input mode (high impedance)

Miscellaneous Locations provided for installation of

pull-up or pull-down resistors.

Environmental

Operating temperature range 0 to 50°C

Storage temperature range −20 to 70°C

Humidity 0 to 90% non-condensing

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