Datasheet Details
| Part number | BU8877 | 
|---|---|
| Manufacturer | ETC | 
| File Size | 124.20 KB | 
| Description | Call Progress Tone Decoder | 
| Datasheet | 
        
           | 
    
| Part number | BU8877 | 
|---|---|
| Manufacturer | ETC | 
| File Size | 124.20 KB | 
| Description | Call Progress Tone Decoder | 
| Datasheet | 
        
           | 
    
The BU8877 and BU8877F are ICs that detect dial tones from a call progress signal used in the telephone lines.
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