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MC145442DW PDF预览

MC145442DW

更新时间: 2024-11-19 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 227K
描述
Single-Chip 300-Baud Modem

MC145442DW 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP20,.4
针数:20Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.71
其他特性:SIMPLEX; HALF DUPLEX; FULL DUPLEX数据速率:0.3 Mbps
JESD-30 代码:R-PDSO-G20JESD-609代码:e0
长度:12.8 mm功能数量:1
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP20,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified座面最大高度:2.65 mm
子类别:Modems最大压摆率:10 mA
标称供电电压:5 V表面贴装:YES
技术:CMOS电信集成电路类型:MODEM
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

MC145442DW 数据手册

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Order this document  
by MC145442/D  
SEMICONDUCTOR TECHNICAL DATA  
The MC145442 and MC145443 silicon–gate CMOS single–chip low–speed  
modems contain a complete frequency shift keying (FSK) modulator, demodu-  
lator, and filter. These devices are with CCITT V.21 (MC145442) and Bell 103  
(MC145443) specifications. Both devices provide full–duplex or half–duplex  
300–baud data communication over a pair of telephone lines. They also include  
a carrier detect circuit for the demodulator section and a duplexer circuit for  
direct operation on a telephone line through a simple transformer.  
P SUFFIX  
PLASTIC DIP  
CASE 738  
20  
1
MC145442 Compatible with CCITT V.21  
MC145443 Compatible with Bell 103  
Low–Band and High–Band Band–Pass Filters On–Chip  
Simplex, Half–Duplex, and Full–Duplex Operation  
Originate and Answer Mode  
Analog Loopback Configuration for Self Test  
Hybrid Network Function On–Chip  
Carrier Detect Circuit On–Chip  
Adjustable Transmit Level and CD Delay Timing  
On–Chip Crystal Oscillator (3.579 MHz)  
Single + 5 V Power Supply Operation  
Internal Mid–Supply Generator  
Power–Down Mode  
Pin Compatible with MM74HC943  
DW SUFFIX  
SOG PACKAGE  
CASE 751D  
20  
1
ORDERING INFORMATION  
MC145442P  
MC145443P  
Plastic DIP  
Plastic DIP  
MC145442DW SOG Package  
MC145443DW SOG Package  
PIN ASSIGNMENT  
DSI  
LB  
1
2
20  
19  
TLA  
V
Capable of Driving – 9 dBm into a 600 Load  
AG  
CD  
3
4
18  
17  
Exl  
CDT  
TxA  
RxD  
5
6
16  
15  
RxA1  
RxA2  
V
DD  
CDA  
7
14  
13  
12  
11  
SQT  
X
8
MODE  
out  
X
9
V
in  
SS  
FB  
10  
TxD  
REV 1  
8/95  
Motorola, Inc. 1995  

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