M-8888-01 datasheet(1/14 Pages) CLARE

tên linh kiện	M-8888-01

Giải thích chi tiết về linh kiện	DTMF Transceiver

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nhà sản xuất	CLARE [Clare, Inc.]

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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

Số phần tương tự - M-8888-01

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Clare, Inc.	M-8888-01P	457Kb / 14P	DTMF Transceiver
	M-8888-01SM	457Kb / 14P	DTMF Transceiver
	M-8888-01T	457Kb / 14P	DTMF Transceiver

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Mô tả tương tự - M-8888-01

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Số phần tương tự - M-8888-01

Mô tả tương tự - M-8888-01

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