BU8874F DTMF receiver for telephones

Rohm

Description

Communication ICs DTMF receiver for telephones BU8874 / BU8874F The BU8874 and BU8874F are DTMF receiver ICs developed for use in telephone answering.
203 Communication ICs FInput / output circuits INPUT PWDN BU8874 / BU8874F OSC ACK SD ESt 204 Communication ICs FElectrical characteristics (.

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Datasheet Specifications

Part number: BU8874F
Manufacturer: ROHM ↗
File Size: 180.42 KB
Datasheet: BU8874F_Rohm.pdf
Description: DTMF receiver for telephones

Features

* 1) Dynamic range of 45dB. (internal AGC) 2) Power down mode. 3) 4-bit binary serial data output. 4) Guard time can be controlled through host microcontroller. 5) Input pins equipped with hysteresis. (ACK pin) FBlock diagram 6) 4.19MHz crystal resonator can be used. 7) 8-pin DIP package. (BU8874) 2

BU8874F Distributors

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BU8874F DTMF receiver for telephones Rohm

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