Clare M-8888
The M-8888 is a complete DTMF Transmitter Receiver that features adjustable guard time, automatic 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 lowdistortion, highly accurate DTMF signaling.| Part No. | M-8888 |
|---|---|
| Datasheet | M-8888 Download |
| Manufacturer |  Clare |
| Description | DTMF Transceiver |
| Buy | Stock & Price |
FEATURES
CMOS technology for low power con● Advanced sumption and increased noise immunity DTMF transmitter/receiver in a single● Complete 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
Tone bursts can be transmitted with precise timing by making use of the automatic tone burst mode. To analyze call progress tones, a call progress filter can be selected by an external microprocessor. Ordering Information Part #DESCRIPTION
M-8888-01P M-8888-01SM M-8888-01T 20-pin plastic DIP 20-pin plastic SOIC 20-pin plastic SOIC,Tape and Reel Pin Connections Block Diagram D...
