Omega Vehicle Security OMG-USB-DIO48 - Manual (Page 7)

Technical
OMG-USB-DIO48 Page 3
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-DIO48 requires 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