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MC145446AFWEL

更新时间： 2024-11-20 13:11:15
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
14页 267K
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中文翻译

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MC145446AFWEL 技术参数

生命周期：Transferred包装说明：SOP,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.68JESD-30 代码：R-PDSO-G28
长度：17.915 mm功能数量：1
端子数量：28最高工作温度：70 °C
最低工作温度：-20 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
座面最大高度：2.65 mm标称供电电压：5 V
表面贴装：YES技术：CMOS
电信集成电路类型：TELECOM CIRCUIT温度等级：COMMERCIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：7.51 mm
Base Number Matches：1

MC145446AFWEL 数据手册

 浏览型号MC145446AFWEL的Datasheet PDF文件第2页浏览型号MC145446AFWEL的Datasheet PDF文件第3页浏览型号MC145446AFWEL的Datasheet PDF文件第4页浏览型号MC145446AFWEL的Datasheet PDF文件第5页浏览型号MC145446AFWEL的Datasheet PDF文件第6页浏览型号MC145446AFWEL的Datasheet PDF文件第7页 
Order this document  
by MC145446A/D  
SEMICONDUCTOR TECHNICAL DATA  
Product Preview  
FW SUFFIX  
SOP  
CASE 751M  
28  
The MC145446A is a silicon gate CMOS frequency shift keying (FSK)  
modem intended for use with telemeter systems or remote control systems over  
the telephone network. It replaces the MC145446.  
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/receiver and  
call progress tone detector (CPTD).  
1
ORDERING INFORMATION  
MC145446AFW  
SOP  
The differential line driver has the capability of driving 0 dBm into a 600 Ω load  
with a single 5 V power supply. The transmit level is controlled by the  
programmable attenuator in 1 dB steps.  
PIN ASSIGNMENT  
This device also includes a serial control interface and internal control and  
status registers that permit a CPU to exercise the following built–in features:  
V
1
2
28  
27  
FTLC1  
RxBO  
CC  
GND  
•
•
•
•
•
•
•
•
•
•
•
Single 5 V Power Supply  
Compatible with CCITT V.21  
DTMF Generator and Receiver for All 16 Standard Digits  
Capable of Driving 0 dBm into a 600 Ω Load (V  
AGC (Auto Gain Control) Amplifier for DTMF Receiver  
Imprecise Call Progress Tone (400 Hz) Detector  
A Transmit Attenuator Programmable in 1 dB Steps  
2100 Hz Answer Tone Generator  
Serial Control Interface  
Analog Loopback Configuration for Self Test  
V
3
4
5
6
7
8
9
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
RxGC  
RxA  
ref  
CDA  
DTMF IN  
AGC OUT  
FTLC2  
= 5 V)  
TxA1  
TxA2  
DSI  
CC  
FTLC3  
V
CC  
X1  
E
X2 10  
SCK  
DATA I/O  
TxD  
Power–Down Mode, Less than 1 µA  
TLA 11  
GND  
12  
13  
V
16  
15  
RxD  
CC  
R/W 14  
SD/CD/DV  
This document contains information on a new product. Specifications and information herein are subject to change without notice.  
REV 1  
7/96  
Motorola, Inc. 1996  
1234567...14

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