User's Manual

GM862-QUAD / PY Hardware User Guide
1vv0300748 Rev. 1 - 24/10/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved page 58 of 70
Operating Range - Interface levels (2.8V CMOS)
Level Min Max
Input high level 2.1V 3.3V
Input low level 0V 0.5V
Output high level 2.2V 3.0V
Output low level 0V 0.35V
For 2,0V signals:
Operating Range - Interface levels (2.0V CMOS)
Level Min Max
Input high level 1.6V 3.3V
Input low level 0V 0.4V
Output high level 1,65V 2.2V
Output low level 0V 0.35V
Current characteristics
Level Typical
Output Current 1mA
Input Current 1uA