XE2476 Ver la hoja de datos (PDF) - Xecom

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Lista de partido

XE2476

2400 bps Plug-In Upgrade to CH1776

Xecom 

Electrical Specifications

ABSOLUTE MAXIMUM RATINGS*

SUPPLY VOLTAGE - Vcc

+6.5 Volts

DC INPUT VOLTAGE

-0.6 Volts to +6.5 Volts

STORAGE TEMPERATURE RANGE

-25° C TO +100° C

LEAD TEMPERATURE (Soldering, 2 sec per wave) 260° C

OPERATING TEMPERATURE RANGE

0 TO 70° C

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

Power Supply Characteristics(TA = 0 - 70°C, Vcc = 5v ±5%)

Symbol Parameter Min Typ Max Units Comments

Vcc

Icc

Iccpd

Supply Voltage

4.75 5.0 5.25 V

Vcc Supply Current

40

mA

Power Down Current

10

mA

All outputs Disconnected

Power Management: The XE2476 has an integrated, advanced power management capability. If

no activity is detected on the RXD, DTR, or RI lines the modem will, within 5 seconds, automatically go

into a smart power down mode. In this mode power consumption is typically less than 50 milliwatts.

I/O Characteristics

Signals

DIGITAL INPUTS

/DTR, /RTS, TXD, RESET

Description

Input High

min. 2.0 V

Input Low

max. 0.8 V

DIGITAL OUTPUTS

OH, RI

/DCD, RXD

Output High

min. 2.4 V

min. 2.4 V

Output Low

max. 0.8 V

max. 0.4 V

Current Drive

15 ma

1.6 ma

8/XECOM

XE2476

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