Impulse 8018 - Manual (Page 14)

© Sealevel Systems, Inc.
- 12 - PIO-24.LPCI User Manual
Electrical Characteristics
The PIO-24.LPCI 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 0.5VDC @ 24 mA
Temperature Range
Operating: 0°C – 70°C
Storage: -50°C – 105°C
Power Requirements
+5VDC @ 1A