MC14544BALDS

更新时间： 2024-11-20 13:00:31

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		调制解调器
页数	文件大小	规格书
12页	165K
描述
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数据手册

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MC14544BALDS 数据手册

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by MC145444/D

SEMICONDUCTOR TECHNICAL DATA

Advance Information

H SUFFIX

PLASTIC DIP

CASE 804

MC145444 is a silicon gate CMOS frequency shift keying (FSK) modem

intended for use with telemeter systems or remote control systems over the

telephone network.

This device is compatible with CCITT V.21 and contains the entire circuit that

provides a full–duplex or half–duplex 300–baud data communication over a pair

of telephone lines. This device also includes the DTMF generator and call

progress tone detector (CPTD).

The differential line driver has the capability of driving 0 dBm into a 600 Ω load

with a single +5 V power supply.

DW SUFFIX

SOG PACKAGE

CASE 751D

The transmit level is controlled by the programmable attenuator in 1 dB steps.

Devices functions are controlled through a 3–wire serial interface.

ORDERING INFORMATION

MC145444P

Plastic DIP

MC145444DW SOG Package

•

Capable of Driving 0 dBm into a 600 Ω Load

DTMF Generator On–Chip

Imprecise Call Progress Detector On–Chip

A Transmit Attenuator Programmable in 1 dB Steps

3–Wire Serial Interface

PIN ASSIGNMENT

Compatible with CCITT V.21

RxBO

FTLC

RxGC

RxA

2100 Hz Answer Tone Generator On–Chip

Analog Loopback Configuration for Self Test

Simplex, Half–Duplex, and Full–Duplex Operation

GNDA

CDA

TxA1

TxA2

GND

TLA

DSI

ENB

SCK

DATA

TxD

RxD

This document contains information on a new product. Specifications and information herein are subject to change without notice.

REV 0

8/95

Motorola, Inc. 1995

MOTOROLA

MC145444

12 3 4 5 6 7...12

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MC14544BCLDS	MOTOROLA	获取价格	暂无描述
MC14544BCP	MOTOROLA	获取价格	BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals
MC14544BCPD	MOTOROLA	获取价格	Seven Segment Decoder/Driver, 4000/14000/40000 Series, Configurable Output, CMOS, PDIP18,
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MC14544BCPS	MOTOROLA	获取价格	IC,DECODER/DRIVER,CMOS,DIP,18PIN,PLASTIC
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MC145450	MOTOROLA	获取价格	CMOS 1200 BAUD FSK MODEM
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