XE1401B Просмотр технического описания (PDF) - Xecom

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XE1401B

Multi-National 14,400 BPS Embeddable Modem

Xecom 

XE1401 Pin Descriptions

PIN NAME DESCRIPTION

38 \DCD

Data Carrier Detect, Output, active Low, TTL/CMOS. AT&C sets the \DCD function. In the

default condition, AT&C1, \DCD indicates the presence of a carrier signal on the telephone

line.

39 \DSR

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

default condition, AT&S0, \DSR is forced true.

40 Vcc

+5 Volts

ABSOLUTE MAXIMUM RATINGS*

SUPPLY VOLTAGE - Vcc

DC INPUT VOLTAGE

STORAGE TEMPERATURE RANGE

LEAD TEMPERATURE (Soldering, 2 sec per wave)

OPERATING TEMPERATURE RANGE

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

+6.5 Volts

-0.6 Volts to +6.5 Volts

-25° C TO +85° C

260° C

0 TO 70° C

XE1401 ELECTRICAL SPECIFICATIONS

Parameter

Min Typ Max

Units

VCC

ICC

4.75

5.25 Volts

100

150

170 mamps

Ring Voltage Detected

Ring Frequency Detected

Telephone Loop Current

Data Transmit level

DTMF Transmit Level

Billing tone Filter

38

150

RMS

10

RMS

20

RMS

15.3

68

Hz

10

100 mamps

10

120 mamps

10

60 mamps

10

45 mamps

-12

-10.5

-9.0

dBm

-2.5

0

dBm

16

KHz

Comments

On Line

XE1401

XE1401B, XE1401I

XE1401G

XE1401

XE1401B, XE1401I

XE1401G

XE1401F

Avg over 3 second interval

XE1401G Only

XECOM

(4)

XE1401

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