SI32268-C-FM1

Telecom Overview

The SI32268-C-FM1 is a wideband dual FXS telecom interface IC from Skyworks Solutions. It integrates two ProSLIC channels with ISI and tracking shared DC-DC controller capabilities, supporting a maximum battery voltage of -110V. The device operates within a temperature range of -40°C to +85°C and utilizes an SMD/SMT installation style in a reel package. It belongs to the SI32268 series under the Interface ICs subcategory.

Telecom Feature Summary

• Integrates dual wideband FXS channels with integrated ISI and tracking shared DC-DC controller
• Supports high voltage battery lines up to -110V maximum

Telecom Applications

• Telecom interface systems requiring dual FXS connectivity
• Voice gateway hardware designs
• PBX system implementations

Telecom Procurement Notes

This component is officially listed as obsolete and no longer manufactured by Skyworks Solutions Inc. Availability is restricted or non-existent through standard distribution channels. Verification of current stock status and end-of-life notifications is required before integration into new designs.

Telecom Selection Notes

Designers should evaluate this part only for maintenance or replacement scenarios due to its obsolete status. New projects must consider alternative active components from the same manufacturer family that offer updated supply chain support and long-term availability guarantees.

Telecom Part Context

The SI32268-C-FM1 is part of the ProSLIC product line focused on user line interface concepts. It serves as a specialized solution for connecting analog telephones to digital networks, providing essential signal conditioning and power management for subscriber lines.

Telecom Replacement Considerations

Similar available substitutes are indicated by distributors, but specific cross-reference part numbers are not provided in the source data. Engineers must consult official Skyworks documentation for qualified pin-to-pin or functional replacements.