Q2426B Просмотр технического описания (PDF) - Unspecified

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Q2426B

SELF CONTAINED E GSM/GPRS 900/1800 OR 850/1900 BI BAND MODULE

Unspecified 

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

*VT-

*VT+

VOL

VOH

* VT-, VT+ : Hysterisis Level

1.1V

1.7V

2.0 V

Max

1.2 V

1.9 V

0.4 V

Condition

IOL = -50 µA

IOH = 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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