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2 X CM8870 DTMF CMOS Receiver (CM8870PI MT8870) ICs. (Pack of 2)

2 X CM8870 DTMF CMOS Receiver (CM8870PI MT8870) ICs. (Pack of 2)
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Image for demonstration purposes only.
Please refer to product description.
Price: $6.55 only!
(price is for a pack of 2 ics)
 
Availability: In Stock
Model: MT8870 (Pack of 2)
Manufacturer: CMD
Delivery:Same/Next Working Day
Dispatch from Melbourne
Australia, (while in stock).

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CM8870 CMOS DTMF Receiver (Also known as 8870 or MT8870 or CM8870PI),
18 Pins DIP case. 

 Manufactured by CALIFORNIA MICRO DEVICES

Pack contain: Two ICs
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To download a full datasheet click here.

 
DESCRIPTION:
   The CAMD CM8870 provides full DTMF receiver capability by integrating both the bandsplit filter and digital decoder functions into a single 18-pin DIP package. The CM8870 is manufactured using state-of-the-art CMOS process technology for low power consumption (35mW, max.) and precise data handling. The filter section uses a switched capacitor technique for both high and low group filters and dial tone rejection. The CM8870/70C decoder uses digital counting techniques for the detection and decoding of all 16 DTMF tone pairs into a 4-bit code. This DTMF receiver minimizes external component count by providing an on-chip differential input amplifier, clock generator, and a latched three-state interface bus. The on-chip clock generator requires only a low cost TV crystal or ceramic resonator as an external component.

FEATURES:

  • Full DTMF receiver
  • Less than 35mW power consumption
  • Industrial temperature range
  • Uses quartz crystal or ceramic resonators
  • Adjustable acquisition and release times
  • 18-pin DIP

APPLICATIONS:

  • PABX
  • Central office
  • Mobile radio
  • Remote control
  • Remote data entry
  • Call limiting
  • Telephone answering systems
  • Paging systems  ) Integrated Circuit, DIP-16 Case. CMOS COUNTER/DIVIDERS.
    Manufactured by Texas Instruments. 
     






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