User's Manual

LE910 Hardware User Guide
1vv0301089 Rev.7 – 25-10-2015
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 52 of 88
8 Logic level specifications
The following table shows the logic level specifications used in the LE910 interface circuits:
Absolute Maximum Ratings -Not Functional
Parameter
Min
Max
Input level on any digital pin (CMOS 1.8) with respect
to ground
-0.3V
2.16V
Operating Range - Interface levels (1.8V CMOS)
Level
Min
Max
Input high level
1.5V
2.1V
Input low level
0V
0.5V
Output high level
1.35V
1.8
Output low level
0V
0.45V