Telit Wireless Solutions LM940 Design Guide

LM940 Hardware Design Guide
1VV0301352 Rev. 18 Page 33 of 75 2022-01-04
Not Subject to NDA
6.1.3. 1.8V SIM Card Pins
Parameter
Min
Max
Unit
Comment
VIH
Input high level
1.26V
2.1V
[V]
VIL
Input low level
-0.3V
0.36V
[V]
VOH
Output high level
1.44V
1.8V
[V]
VOL
Output low level
0V
0.4V
[V]
IIL
Low-level input
leakage current
--
1000
[uA]
No pull-up
IIH
High-level input
leakage current
-20
20
[uA]
No pull-down
Table23: 1.8V SIM Card Pins
6.1.4. 2.85V Pins – Absolute Maximum Ratings
Absolute Maximum Ratings – Not Functional
Parameter
Min
Max
Input level on any digital pin when on
--
+3.42V
Input voltage on analog pins when on
--
+3.42 V
Table 24: Absolute Maximum Ratings - 2.85V Pins
6.1.5. SIM Card Pins@2.85V
Parameter
Min
Max
Unit
Comment
VIH
Input high level
1.995V
3.15V
[V]
VIL
Input low level
-0.3V
0.57V
[V]
VOH
Output high
level
2.28V
2.85V
[V]
VOL
Output low level
0V
0.4V
[V]
IIL
Low-level input
leakage current
--
1000
[uA]
No pull-up
IIH
High-level input
leakage current
-20
20
[uA]
No pull-down
Table 25: Operating Range – For SIM Pins Operating at 2.85V
Power On
The LM940 is automatically turning on when the VBATT is supplied.

Telit Wireless Solutions LM940 Specifications

General

Brand	Telit Wireless Solutions
Model	LM940
Category	Wireless modules
Language	English