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MC145428P PDF预览

MC145428P

更新时间: 2024-01-18 19:18:44
品牌 Logo 应用领域
LANSDALE 转换器
页数 文件大小 规格书
14页 1343K
描述
Asynchronous-to-Synchronous and Synchronous-to-Asynchronous Converter

MC145428P 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:5.91JESD-30 代码:R-PDIP-T20
JESD-609代码:e0长度:26.415 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: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座面最大高度:4.57 mm
子类别:Other Telecom ICs最大压摆率:2 mA
标称供电电压:5 V表面贴装:NO
技术:CMOS电信集成电路类型:PCM TRANSCEIVER
温度等级:INDUSTRIAL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:DUAL宽度:7.62 mm
Base Number Matches:1

MC145428P 数据手册

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ML145428  
Asynchronous–to–Synchronous  
and Synchronous–to–  
Asynchronous Converter  
Legacy Device: Motorola MC145428  
The ML145428 Data Set Interface provides asynchronous-to-synchronous  
and synchronous-to-asynchronous data conversion. It is ideally suited for  
voice/data digital telesets supplying an EIA-232 compatible data port into a  
synchronous transmission link. Other applications include: data multiplexers,  
concentrators, data-only switching, and PBX-based local area networks. This  
low-power CMOS device directly interfaces with either the 64 kbps or 8kbps  
channel of Motorolas MC145422 and MC145426 Universal Digital Loop  
Transceivers (UDLTs), as well as the MC145421 and MC145425 Second  
Generation Universal Digital Loop Transceivers (UDLT II).  
P DIP 20 = RP  
PLASTIC  
CASE 732  
20  
1
SOG 20 = -6P  
PLASTIC  
CASE 751D  
20  
1
CROSS REFERENCE/ORDERING INFORMATION  
• Provides the Interface Between Asynchronous Data Ports and  
Synchronous Transmission Lines  
PACKAGE  
MOTOROLA  
LANSDALE  
P DIP 20  
SOG 20  
MC145428P  
MC145428DW  
ML145428RP  
ML145428-6P  
• Up to 128 kbps Asynchronous Data Rate Operation  
• Up to 2.1 Mbps Synchronous Data Rate Operation  
• On-Board Bit Rate Clock Generator with Pin Selectable Bit Rates of  
300, 1200, 1400, 4800, 9600, 19200 and 38400 bps or an Externally  
Supplied 16 Times Bit Rate Clock  
Note: Lansdale lead free (Pb) product, as it  
becomes available, will be identified by a part  
number prefix change from ML to MLE.  
• Accepts Asynchronous Data Words of 8 or 9 Bits in Length  
• False Start Detection Provided  
• Automatic Sync Insertion and Checking  
• Single 5 V Power Supply  
• Low Power Consumption of 5 mW Typical  
• Application Notes AN943 and AN946  
PIN ASSIGNMENT  
• Operating Temperature Range T = –40º to +85ºC.  
A
TxS  
TxD  
1
2
3
4
5
20  
V
DD  
19 RESET  
18 DCO  
17 DOE  
16 CM  
DL  
BLOCK DIAGRAM  
BRCLK  
BCLK  
TxS  
BR1  
BR2  
6
7
15 DCLK  
14 DIE  
SYNCHRONOUS  
CHANNEL  
TRANSMITTER  
Tx  
FIFO  
DATA  
STRIPPER  
TxD  
DL  
DCO  
BR3  
SB  
8
9
13 DCI  
12 RxS  
V
SS  
10  
11 RxD  
DOE  
DIE  
BR1-BR3  
BCLK  
BAUD  
RATE  
GEN  
CONTROL  
DCLK  
CM  
BRCLK  
RESET  
DCI  
SYNCHRONOUS  
CHANNEL  
RECEIVER  
DATA  
FORMATTER  
Rx  
FIFO  
RxD  
SB  
RxS  
Page 1 of 14  
www.lansdale.com  
Issue 0  

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