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

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 Page 3