Impulse PIO-48.PC104 (3701) - Manual (Page 17)

© Sealevel Systems, Inc. - 15 - PIO-48.PC104 User Manual
Electrical Characteristics
The PIO-48.PC104 uses 74LS245 octal bi-directional transceivers to provide TTL
input/output capabilities. Each bit is pulled to +5V through a 10K ohm pull-up
resistor to insure each bit is at a known state when not driven.
Specifications
Inputs
Logic High: Min 2VDC
Logic Low: Max 0.8VDC
Outputs
Logic High: Min 2VDC @ 15 mA
Logic Low : Max 0.55VDC @ 24 mA
Recommended Operating Conditions
Inputs: Min 0V
Inputs: Max 5.25V
Source: 15mA
Sink: 24mA
Temperature Range
Operating: 0°C – 70°C
Storage: -50°C – 105°C
Power Requirements
+5VDC @ 794mA
Physical Dimensions
Length: 3.550 inches (9.017cm)
Height: 3.775 inches (9.589cm)