beautypg.com

Electrical characteristics – Impulse 8018 User Manual

Page 14

background image

© 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

This manual is related to the following products: