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4 specifications, Power consumption, Digital input / output – Measurement Computing PC104-AC5 User Manual

Page 14: Interrupts, Environmental

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4 SPECIFICATIONS

Typical for 25°C unless otherwise specified.

Power consumption

+5V Operating

625 mA typical, 960 mA max

PC104-AC5

Digital Input / Output

High impedance

Power On / Reset

Locations provided for user-installation.

Pull-Up/Pull-Down Resistors

+5.5V max.

Absolute maximum input voltage

64 mA max.

Low Level Output Current

15 mA max.

High Level Output Current

2.4V min. (Ioh =

15 mA)

Output high voltage

0.5V max. (Iol = 64 mA)

Output low voltage

2.0V min.

Input high voltage

0.8V max.

Input low voltage

2 banks of 8 bits each and 2 banks of 4 bits
each (8255A mode 0 emulation)
Each bank programmable as either input or
output

Configuration

24

Number of I/O

Digital Outputs - 74S244
Digital Inputs - 74LS373

Digital type

Interrupts

Jumper-selectable (P4)

Interrupt enable/disable

2, 3, 4, 5, 6, 7 (jumper-selectable)

Interrupt Levels

External

Interrupt Source

Environmental

0 to 95% non-condensing

Humidity

40 to 100°C

Storage Temperature Range

0 to 70°C

Operating Temperature Range

10