Telit Wireless Solutions ME910X1 - Digital Interfaces and Control Signals; Logic Levels

ME910C1 mPCIe HW Design Guide
1VV0301642 Rev. 2 Page 22 of 56 2022-01-14
Not Subject to NDA
6. DIGITAL SECTION
Logic Levels
All digital signals are powered from the internal module’s V
IO
power bank, V
IO
=1.8V.
All control signals are powered from the external 3V3_AUX power bank, 3V3_AUX=3.3V.
ABSOLUTE MAXIMUM RATINGS:
Table 10 Absolute Maximum Rating digital signals (CMOS 1.8V)
Table 11 Absolute Maximum Rating for control signal
OPERATING RANGE DIGITAL SIGNALS (CMOS 1.8V):
Parameter
Min
Max
Input High Voltage
1.2V 1.85V
Input Low Voltage
0V 0.6V
Output High Voltage
1.4V 1.8V
Output Low Voltage
0V
0.45V
Pull-Up Resistance
10kΩ 390kΩ
Pull-Down Resistance
10kΩ 390kΩ
Input Capacitance
--
5pF
Input Leakage Current
-1uA
+1uA
Drive Strength
2mA 3mA
Table 12 Operating range digital signals (CMOS 1.8V)
Parameter
Min
Max
Input High Voltage on digital signals (CMOS 1.8) with respect to ground when 3V3_AUX is supplied
-0.3V 2.1V
Input High Voltage on digital signals (CMOS 1.8) with respect to ground when 3V3_AUX is not
supplied
-0.3V 0.3V
Parameter
Min
Max
Input Voltage on control signals with respect to ground when 3V3_AUX is supplied
-0.3V 5V
Input Voltage on control signals with respect to ground when 3V3_AUX is not supplied
-0.3V 0.3V