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MS8870 - DTMF Receiver

General Description

The MS8870 is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions, fabricated in double poly technology and is pin and function compatible with MITEL8870.

Key Features

  • Complete DTMF receiver Low power consumption Adjustable guard time Central Office Quality CMOS, Single 5V operation O www. DataSheet4U. com MS8870 DTMF Receiver rdering Information MS8870 : 18 PIN DIP.

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Datasheet Details

Part number MS8870
Manufacturer Unknown Manufacturer
File Size 176.24 KB
Description DTMF Receiver
Datasheet download datasheet MS8870 Datasheet

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Full PDF Text Transcription (Reference)

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MOSA ELECTRONICS Features • • • • • Complete DTMF receiver Low power consumption Adjustable guard time Central Office Quality CMOS, Single 5V operation O www.DataSheet4U.com MS8870 DTMF Receiver rdering Information MS8870 : 18 PIN DIP PACKAGE Description The MS8870 is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions, fabricated in double poly technology and is pin and function compatible with MITEL8870. The filter section uses switched capacitor techniques for high and low group filters; the decoder uses digital counting techniques to detect and decode all 16 DTMF tone-pairs into a 4-bit code. External component count is minimized by on chip provision of a differential input amplifier, clock oscillator and latched 3-state bus interface.