GE864-QUAD V2 Hardware User Guide
1vv0300841 Rev.5
–
2017-05-11
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights
Reserved.
Page 39 of 77
8.
Logic Level Specifications
Where not specifically stated, all the interface circuits work
at 2.8V CMOS logic levels. The following table shows the logic
level specifications used in the Telit GE864-QUAD V2 interface
circuits:
Absolute Maximum Ratings
–
Not Functional
Parameter
Min
Max
Input level on
any digital pin
when on
-0.3V
+3.1V
Input voltage
on analog pins
when on
-0.3V
+3.0 V
Operating Range
–
Interface Levels (2.8V CMOS)
Level
Min
Max
Input high
level
2.1V
3.1V
Input low level 0V
0.5V
Output high
level
2.2V
3.0V
Output low
level
0V
0.35V
For 1,8V signals:
Operating Range
–
Interface Levels (1.8V CMOS)
Level
Min
Max
Input high
level
1.6V
2.2V
Input low level 0V
0.4V
Output high
level
1,65V
2.2V
Output low
level
0V
0.35V
Current characteristics