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參數(shù)資料
| 型號(hào)： | M-8888-01T |
| 廠商： | CLARE INC |
| 元件分類： | 信令電路 |
| 英文描述： | DTMF Transceiver |
| 中文描述： | TELECOM, DTMF SIGNALING CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 451K |
| 代理商： | M-8888-01T |
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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-8888-01 | DTMF Transceiver |
| M-88L70-01P | 3V DTMF Receiver |
| M-88L70-01S | 3V DTMF Receiver |
| M-88L70-01T | 3V DTMF Receiver |
| M-88L70 | 3V DTMF Receiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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) |
| M888-CCDA | 制造商:SECO 功能描述:QUADMO747-GSERIES W/CPU T44R 1,2GHZ S. C.@9W, DDR3 1GB, SSD - Bulk |
| M888-CCDB | 制造商:SECO 功能描述:QUADMO747-GSERIES W/CPU T44R 1,2GHZ S. C.@9W, DDR3 1GB, SSD - Bulk |
| M888-CCEA | 制造商:SECO 功能描述:QUADMO747-GSERIES W/CPU T44R 1,2GHZ S. C.@9W, DDR3 1GB, SSD - Bulk |
| M888-CCEB | 制造商:SECO 功能描述:QUADMO747-GSERIES W/CPU T44R 1,2GHZ S. C.@9W, DDR3 1GB, SSD - Bulk |
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