ST3938B, ST3938A SPEECH - TONE/PULSE DIALER - LED INDICATOR

STMicroelectronics

Description

ST3917A ST3917B SPEECH - TONE/PULSE DIALER - LED INDICATOR SPEECH CIRCUIT 2 TO 4 WIRES CONVERSION PRESENT THE PROPER DC PATH FOR THE LINE www.DataShee.
The device consists of the speech and the dialer functions.

📥 Download Datasheet

ST3938B Datasheet Preview — This datasheet PDF includes multiple part numbers: ST3938B, ST3938A. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: ST3938B, ST3938A
Manufacturer: STMicroelectronics ↗
File Size: 206.81 KB
Datasheet: ST3938A_STMicroelectronics.pdf
Description: SPEECH - TONE/PULSE DIALER - LED INDICATOR
Note: This datasheet PDF includes multiple part numbers: ST3938B, ST3938A.
Please refer to the document for exact specifications by model.

Features

* provided by the PABX or central office. The PAUSE key stores a timed pause in the number sequence. Redial is then delayed until an outside line can be accessed or some other activities occur before normal signalling resumes. A LND key automatically redials the last number dialed. Adedicatedpin MU/MF

ST3938B Distributors

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ST3938A SPEECH TONE PULSE DIALER LED INDICATOR STMicroelectronics

STMicroelectronics ST3938B-like datasheet