MX614DW データシートの表示（PDF） - MX-COM Inc

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MX614DW

Bell 202 Compatible Modem

MX-COM Inc  

COMMUNICATION SEMICONDUCTORS

DATA BULLETIN

Features

• 1200bps - 1800bps half duplex Bell 202

Compatible Modem

• Optional 1200bps Data Retiming Facility

can eliminate external UART

• Optional 5bps and 150bps Back Channel

• Optional Line Equalization

MX614

Bell 202 Compatible Modem

PRELIMINARY INFORMATION

Applications

• Low Voltage Operation (3.3V to 5.0V)

• Low Power Operation

1mA typ. @ 3.3V Operating Mode

1µA typ. Zero-Power Mode

• Standard 3.58MHz Xtal/Clock

• Telephone Telemetry Applications

Telephone

Line

Line

Interface

Status

Control

MX614

µC

Data

The MX614 is a low voltage, low power CMOS integrated circuit designed for the reception or transmission of

asynchronous 1200bps data. This device is compatible with Bell 202 type systems. The MX614 supports

5bps and 150bps 'back channel' operation. Asynchronous data rates up to 1818bps are also supported.

The MX614 provides an optional Tx and Rx data retiming function which can eliminate, based on user

preference, the need for a UART in the associated µC when operating at 1200bps. An optional line equalizer

has been incorporated into the receive path and is controlled by an external logic level.

The MX614 may be used in a wide range of telephone telemetry systems. A very low current “Zero Power

Mode (1µA typ.) and an operating current of 1mA typ. @ VDD = 3.3V, make the MX614 ideal for portable,

terminal and line powered applications. A standard 3.58MHz Xtal/Clock is required and the device operates

from a 3.0V to 5.5V supply.

The MX614 is available in 24-pin TSSOP (MX614TN), 16-pin SOIC (MX614DW) and 16-pin PDIP (MX614P)

packages.

2000 MX-COM, INC.

www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054

Doc. # 20480162.004

4800 Bethania Station Road, Winston-Salem, NC 27105 USA

All Trademarks and Service Marks are held by their respective companies.

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