CM8870 - CMOS Integrated
DTMF ReceiverFeaturesOperating
voltage 5VFull
DTMF receiverLess
than 35mW power consumptionIndustrial
temperature rangeUses
quartz crystal or ceramic resonatorsAdjustable
acquisition and release timesPackage
type 18 Pin DIPApplicationsPABXCentral
officeMobile
..
Features
Complete DTMF transmitter/receiver Central of?ce quality Low power consumption Microprocessor port Adjustable guard time Automatic tone burst mode Call progress mode 20-pin DIP
Applications
Credit card systems Paging systems ..