參數(shù)資料
型號(hào)： M-8888-01
廠商： Clare, Inc.
英文描述： DTMF Transceiver
中文描述： 雙音多頻收發(fā)器
文件頁(yè)數(shù)： 1/14頁(yè)
文件大?。?/td> 451K
代理商： M-8888-01
www.clare.com
DS-M8888-R1
M-8888
DTMF Transceiver
1
Features
Advanced CMOS technology for low power con-
sumption and increased noise immunity
Complete DTMF transmitter/receiver in a single
chip
Standard 8051, 8086/8 microprocessor port
Central office quality and performance
Adjustable guard time
Automatic tone burst mode
Call progress mode
Single +5 Volt power supply
20-pin DIP and SOIC packages
2 MHz microprocessor port operation
Inexpensive 3.58 MHz crystal
Applications
Paging systems
Repeater systems/mobile radio
Interconnect dialers
PBX systems
Computer systems
Fax machines
Pay telephone
Credit card verification
Description
The M-8888 is a complete DTMF Transmitter
Receiver that features adjustable guard time, auto-
matic tone burst mode, call progress mode, and a fully
compatible 8051, 8086/8 microprocessor interface.
The receiver portion is based on the industry standard
M-8870 DTMF Receiver, while the transmitter uses a
switched-capacitor digital-to-analog converter for low-
distortion, highly accurate DTMF signaling. Tone
bursts can be transmitted with precise timing by mak-
ing use of the automatic tone burst mode. To analyze
call progress tones, a call progress filter can be select-
ed by an external microprocessor.
Ordering Information
Pin Connections
Block Diagram
Part #
Description
M-8888-01P
20-pin plastic DIP
M-8888-01SM
20-pin plastic SOIC
M-8888-01T
20-pin plastic SOIC,Tape and Reel
相關(guān)PDF資料
PDF描述
M-88L70-01P 3V DTMF Receiver
M-88L70-01S 3V DTMF Receiver
M-88L70-01T 3V DTMF Receiver
M-88L70 3V DTMF Receiver
M-982-02T Precise Call Progress Tone Detector
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M-8888-01P 功能描述:IC TRANSCEIVER DTMF CMOS 20-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:*
M888801SM 制造商:TELTONE 功能描述:
M-8888-01SM 功能描述:IC TRANSCEIVER DTMF CMOS 20-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:*
M-8888-01T 功能描述:IC TRANSCEIVER DTMF CMOS 20-SOIC RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:*
M888-BDEB 制造商:SECO 功能描述:QUADMO747-GSERIES W/ CPU T40N 1.0GHZ D. C. @9W, DDR3 2GB, SS - Boxed Product (Development Kits)
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