U4074B datasheet by TEMIC Semiconductors (now Microchip).
| Part number | U4074B |
|---|---|
| Datasheet | U4074B_TEMICSemiconductors.pdf |
| File Size | 99.33 KB |
| Manufacturer | TEMIC Semiconductors (now Microchip) |
| Description | Tone Ringer Interface |
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The U4074B is a monolithic integrated circuit that contains all integral ponents of a ringing circuit for telephone sets used in conjunction with a microputer. The bination of a microputer and the U4074B permits flexible programming of the ringing sequence ( melody), tone and volume control. Ringing frequency detection takes place in the microputer.
View all TEMIC Semiconductors (now Microchip) datasheets
| Part Number | Description |
|---|---|
| U4070B-FP | Tone Ringer Interface |
| U4076B | Three-Tone Ringer for Telephone Sets |
| U4076B-FL | Three-Tone Ringer for Telephone Sets |
| U4030B | Telephone Speech Circuit |
| U4050B | Speech Circuit |
| U4055B | Low-Voltage Electronic Speech Circuit |
| U4055B1 | Low-Voltage Electronic Speech Circuit |
| U4080B | Voice-Switched Circuit for Handsfree Operation |
| U4083 | Low-Power Audio Amplifier for Telephone Applications |
| U4083B | Low-Power Audio Amplifier for Telephone Applications |
