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MT8841AS

更新时间: 2024-02-06 03:17:48
品牌 Logo 应用领域
MITEL 电信集成电路光电二极管
页数 文件大小 规格书
10页 105K
描述
CMOS Calling Number Identification Circuit

MT8841AS 技术参数

生命周期:Obsolete包装说明:SOP,
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.69Is Samacsys:N
JESD-30 代码:R-PDSO-G16JESD-609代码:e0
长度:10.3 mm功能数量:1
端子数量:16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:TELEPHONE CALLING NO IDENTIFICATION CIRCUIT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
宽度:7.4 mmBase Number Matches:1

MT8841AS 数据手册

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CMOS  
MT8841  
Calling Number Identification Circuit  
ISSUE 4  
May 1995  
Features  
Ordering Information  
1200 baud BELL 202 and CCITT V.23  
Frequency Shift Keying (FSK) demodulation  
MT8841AE  
MT8841AS  
MT8841AN  
16 Pin Plastic DIP  
16 Pin SOIC  
20 Pin SSOP  
Compatible with Bellcore TR-NWT-000030 and  
SR-TSV-002476  
-40 °C to +85 °C  
High input sensitivity: -36dBm  
Simple serial 3-wire data interface eliminating  
the need for a UART  
Description  
The MT8841 Calling Number Identification Circuit  
(CNIC) is a CMOS integrated circuit providing an  
interface to various calling line information delivery  
services that utilize 1200 baud BELL 202 or CCITT  
V.23 FSK voiceband data transmission schemes.  
The CNIC receives and demodulates the signal and  
outputs data into a simple 3-wire serial interface.  
Power down mode  
Internal gain adjustable amplifier  
Carrier detect status output  
Uses 3.579545 MHz crystal or ceramic  
resonator  
Single 5V power supply  
Low power CMOS technology  
Typically, the FSK modulated data containing  
information on the calling line is sent before alerting  
the called party or during the silent interval between  
the first and second ring using either CCITT V.23  
recommendations or Bell 202 specifications.  
Applications  
Calling Number Delivery (CND), Calling Name  
Delivery (CNAM) and Calling Identity on Call  
Waiting (CIDCW) features of Bellcore CLASSSM  
service  
The CNIC accepts and demodulates both CCITT  
V.23 and BELL 202 signals. Along with serial data  
and clock, the CNIC provides a data ready signal to  
indicate the reception of every 8-bit character sent  
from the Central Office. The received data can be  
processed externally by a microcontroller, stored in  
memory, or displayed as is, depending on the  
application.  
Feature phones  
Phone set adjunct boxes  
FAX machines  
Telephone Answering machines  
Database query systems  
GS  
DATA  
Receive  
Bandpass  
Filter  
Data and Timing  
IN-  
-
DR  
FSK  
Demodulator  
Recovery  
+
IN+  
DCLK  
CAP  
Bias  
Generator  
Carrier  
Detector  
V
Ref  
CD  
to other  
circuits  
Clock  
Generator  
V
V
IC1 IC2  
PWDN  
OSC1 OSC2  
SS  
DD  
Figure 1 - Functional Block Diagram  
CLASSSM is a service mark of Bellcore  
5-11  

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