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CM8870CPE PDF预览

CM8870CPE

更新时间: 2024-10-02 03:25:59
品牌 Logo 应用领域
CALMIRCO 电信集成电路电信信令电路电信电路
页数 文件大小 规格书
8页 231K
描述
CMOS Integrated DTMF Receiver

CM8870CPE 技术参数

生命周期:Obsolete零件包装代码:QLCC
包装说明:QCCJ, LDCC20,.4SQ针数:20
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.83Is Samacsys:N
JESD-30 代码:S-PQCC-J20长度:8.966 mm
功能数量:1端子数量:20
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装等效代码:LDCC20,.4SQ封装形状:SQUARE
封装形式:CHIP CARRIER电源:5 V
认证状态:Not Qualified座面最大高度:4.57 mm
子类别:Telecom Signaling Circuits最大压摆率:0.007 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:DTMF SIGNALING CIRCUIT
温度等级:COMMERCIAL端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
宽度:8.966 mmBase Number Matches:1

CM8870CPE 数据手册

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CALIFORNIA MICRO DEVICES  
CM8870/70C  
CMOS Integrated DTMF Receiver  
Features  
Applications  
• Full DTMF receiver  
PABX  
• Less than 35mW power consumption  
• Industrial temperature range  
• Central office  
• Mobile radio  
• Uses quartz crystal or ceramic resonators  
• Adjustable acquisition and release times  
• Remote control  
• Remote data entry  
• Call limiting  
• 18-pin DIP, 18-pin DIP EIAJ, 18-pin SOIC, 20-pin  
PLCC  
Telephone answering systems  
• Paging systems  
CM8870C  
Power down mode  
Inhibit mode  
Buffered OSC3 output (PLCC package only)  
• CM8870C is fully compatible with CM8870 for 18-pin  
devices by grounding pins 5 and 6  
Product Description  
The CAMD CM8870/70C provides full DTMF receiver capability by integrating both the bandsplit filter and digital  
decoder functions into a single 18-pin DIP, SOIC, or 20-pin PLCC package. The CM8870/70C is manufactured using  
state-of-the-art CMOS process technology for low power consumption (35mW, max.) and precise data handling. The  
filter section uses a switched capacitor technique for both high and low group filters and dial tone rejection. The  
CM8870/70C decoder uses digital counting techniques for the detection and decoding of all 16 DTMF tone pairs into a  
4-bit code. This DTMF receiver minimizes external component count by providing an on-chip differential input ampli-  
fier, clock generator, and a latched three-state interface bus. The on-chip clock generator requires only a low cost TV  
crystal or ceramic resonator as an external component.  
C1550900  
www.calmicro.com  
© 2000 California Micro Devices Corp. All rights reserved.  
9/28/2000 215 Topaz Street, Milpitas, California 95035  
Tel: (408) 263-3214  
Fax: (408) 263-7846  
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