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MC145444P PDF预览

MC145444P

更新时间: 2024-11-23 22:36:27
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 调制解调器电信集成电路电信电路光电二极管
页数 文件大小 规格书
12页 165K
描述
Single-Chip 300-Baud Modem

MC145444P 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:DIP, DIP20,.3Reach Compliance Code:unknown
风险等级:5.82Is Samacsys:N
JESD-30 代码:R-PDIP-T20JESD-609代码:e0
端子数量:20封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP20,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:5 V认证状态:Not Qualified
子类别:Modems标称供电电压:5 V
表面贴装:NO技术:CMOS
电信集成电路类型:MODEM端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

MC145444P 数据手册

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Order this document  
by MC145444/D  
SEMICONDUCTOR TECHNICAL DATA  
Advance Information  
20  
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.  
1
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 load  
with a single +5 V power supply.  
DW SUFFIX  
SOG PACKAGE  
CASE 751D  
20  
1
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 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  
1
2
20  
19  
RxGC  
RxA  
2100 Hz Answer Tone Generator On–Chip  
Analog Loopback Configuration for Self Test  
Simplex, Half–Duplex, and Full–Duplex Operation  
GNDA  
CDA  
3
4
18  
17  
TxA1  
TxA2  
GND  
TLA  
5
6
16  
15  
DSI  
V
CC  
X1  
X2  
7
14  
13  
12  
11  
ENB  
SCK  
8
SD  
9
DATA  
TxD  
RxD  
10  
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  

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