Technical

Electrical Characteristics

Figure 1, below provides the electrical characteristics of each Input/Output. Each port is buffered with a 74ABT245 octal bi-directional transceiver. Each input is capable of sinking up to 64 mA, while each output can source up to 32 mA. The OMG-USB-DIO48requires a 5V power source and is shipped with a 5V power supply rated at 2.4 A.

Recommended Operating Conditions

 

Min

Max

Input

0 V

5.25 V

Source

 

32 mA

Sink

 

64 mA

Electrical Characteristics

High Level Input Voltage

Min 2 V

Low Level Input Voltage

Max 0.8 V

 

 

High Level Output Voltage

Min 2 V at 32 mA

 

Typically 3.4 V at 3 mA

Low Level Output Voltage

Max 0.55 V at 64 mA

Figure 1- Operating Conditions

OMG-USB-DIO48

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Omega Vehicle Security OMG-USB-DIO48 manual Electrical Characteristics, Operating Conditions