Communication ICs
DTMF receiver for telephones
BU8871F
The BU8871F is a DTMF receiver ICs developed for use in telephone answering machines, and converts 16 different types of DTMF signals into 4-bit...
Datasheets by Manufacturer
BU8877F — Unknown Manufacturer — Call Progress Tone Decoder
BU8877 — Unknown Manufacturer — Call Progress Tone Decoder