Document
CALIFORNIA MICRO DEVICES
CM8888/8888-2
CMOS INTEGRATED DTMF TRANCEIVER
Fea tur es Advanced CMOS technology for low power
consumption and increased noise immunity Complete DTMF Transmitter/Receiver 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, 20-pin DIP EIAJ, 20-pin SOIC,
28-pin PLCC packages 2 MHz microprocessor port operation
Applications Paging systems Repeater systems/mobile radio Interconnect dialers PABX systems Computer systems Fax machines Pay telephones Credit card verification
Product Description The CAMD CM8888/8888-2 is a fully integrated DTMF Transceiver, featuring adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 8051, 8086/8 microprocessor interface. The CM8888/8888-2 is manufactured using state-of-the-art advanced CMOS technolo.