XE3314C Просмотр технического описания (PDF) - Xecom

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XE3314C

Worldwide 33.6 KBPS Modem Module for Embedded Applications

Xecom 

XE3314C PIN DESCRIPTIONS

PIN NAME DESCRIPTION

38 \DCD Data Carrier Detect, Output Active Low, TTL/CMOS. The &C command sets the function of \DCD. In the

default state \DCD activates when a valid carrier is detected.

39 \DSR Data Set Ready, Output, active Low, TTL/CMOS. &S sets the \DSR function. In the default condition, AT&S0,

\DSR is forced true.

40

Vcc +5 Volts

XE3314C ABSOLUTE MAXIMUM RATINGS

SUPPLY VOLTAGE - Vcc

DC INPUT VOLTAGE

STORAGE TEMPERATURE RANGE

LEAD TEMPERATURE (Soldering, 2 sec per wave)

OPERATING TEMPERATURE RANGE 1

+6.5 Volts

-0.6 Volts to +6.5 Volts

-25° C TO +85° C

260° C

0 TO 70° C

*Exceeding these values may result in permanent damage to the device.

1 Extended Operating Temperature (-40° to +85° C) available. Order XE3314C-ITR

XE3314C ELECTRICAL SPECIFICATIONS

Parameter

Min Typ Max

VCC

ICC

Ring Voltage Detected

Ring Frequency Detected

Telephone Loop Current

Data Transmit level

DTMF Transmit Level

4.75

5.25

140

160

180

40

38

150

15.3

68

20

100

-11.0 -10.0

-9.0

-2.5

0

Units

Volts

ma

ma

RMS

Hz

ma

dBm

dBm

Comments

On Line

Sleep Mode

Type B Ringer

Type B Ringer

Off-Hook

Avg over 3 second interval

XECOM

(4)

XE3314C

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