Telephone Speech Circuit With Multifrequency Tone Generator Interface

The LS256 is a monolithic integrated circuit in 16- lead dual in-line and SO20 plastic packages to re- placethe hybridcircuit in telephoneset. Itworkswith the same type of transdurcers for both transmitter and receiver (typically piezoceramic capsules, but the devicecan work alsowith dynamic ones).Many of its electrical characteristics CAN be controlled by means of external components to meet different specifications. In additionto the speech operation, the LS256 acts as an Interface for theMF Tone signal. By STMicroelectronics
LS256 's PackagesLS256 's pdf datasheet

LS256 Pinout, Pinouts
LS256 pinout,Pin out
This is one package pinout of LS256,If you need more pinouts please download LS256's pdf datasheet.

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