| Part Number | LS1240 |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Title | ELECTRONIC TWO - TONE RINGER |
| Description | LS1240A is a monolithic integrated circuit designed to replace the mechanical bell in telephone sets in connection with an electro-acoustical conv... |
| Features |
illator in a fast sequence and made audible across an output amplifier in the loudspeaker, both tone frequencies and the switching frequency can be externally adjusted. PIN CONNECTION (top view)
SO8
ORDERING NUMBERS
Minidip LS1240A SO8 LS1240AD1
T...
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| Datasheet |
 LS1240 Datasheet 496.78KB |
