SI3216-KT

Telecom Overview

The SI3216-KT is a discontinued telecom interface IC from Skyworks Solutions Inc., belonging to the ProSLIC series. It functions as an analog front-end (AFE) for subscriber line interfaces, supporting FXS operations with PCM connectivity and DTMF detection capabilities. The component was packaged in a 38-TSSOP format and operated within standard industrial temperature ranges. As a legacy product, it is no longer manufactured or recommended for new designs, requiring careful verification of availability and lifecycle status through official distributors.

Telecom Feature Summary

• Integrated analog front-end processing for subscriber line interface applications
• Supports full-duplex voice transmission with integrated codec functionality
• Capable of DTMF signal detection and generation for telephony systems

Telecom Applications

• FXS subscriber line interface circuit design
• Telecom gateway hardware development
• Legacy PBX system maintenance and repair

Telecom Procurement Notes

Verify end-of-life status and obsolescence warnings before procurement. Confirm RoHS compliance details and supply chain authenticity via authorized Skyworks distributors. Check for minimum order constraints due to limited remaining stock. Ensure compatibility with existing PCB footprints and firmware requirements for integration into legacy systems.

Telecom Selection Notes

Consider this component only for maintenance of existing designs rather than new developments. Evaluate alternative current-generation ProSLIC devices for improved performance and support. Assess total cost of ownership including potential scarcity premiums. Verify electrical parameter alignment with original system specifications to ensure functional continuity.

Telecom Part Context

Part of Skyworks' ProSLIC family designed for telecommunications infrastructure. Represents an earlier generation of integrated subscriber line interface solutions. Provides a complete analog front-end solution for connecting traditional telephone lines to digital systems. Discontinued status reflects industry shift toward newer integrated platforms.

Telecom Replacement Considerations

No public confirmed substitute part numbers are available. Consult Skyworks technical support for current generation alternatives compatible with ProSLIC architectures.