Q2406 Datasheet, PDF (43/81 Pages) List of Unclassifed Manufacturers – SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE

WM_PRJ_Q2400_PTS_002 - 002
24th January 2003
Electrical Characteristics
Parameter
Input Impedance ( R )
Input Impedance ( C )
Min
4.7
Max
10
Unit
kΩ
nF
Operating conditions
Parameter
Min
*V_T-
*V_T+
V_OL
V_OH
* V_T-, V_{T+ :} Hysterisis Level
1.1V
1.7V
2.0 V
Max
1.2 V
1.9 V
0.4 V
Condition
I_OL = -50 µA
I_OH = 50 µA
Additional comments on RESET:
The RESET process is activated either by the external ~RST signal OR by an
internal signal (coming from a RESET generator). This automatic reset is
activated at Power-up.
The module remains in reset mode as long as the RST signal is held low. This
signal should be used only for “emergency” resets.
A software reset will be preferred to a HW reset.
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