GS1561-CFE3

Video Processing Overview

The GS1561-CFE3 is a dual-rate deserializer compliant with SMPTE 292M and SMPTE 259M-C standards. It features automatic configuration for HD-SDI and SD-SDI signals, supporting NRZI to NRZ decoding and descrambling. The device includes dual serial digital input buffers with a 2x1 multiplexer and integrated signal termination. It provides an integrated reclocker and generates a 20-bit or 10-bit CMOS parallel output data bus operating at 148.5MHz, 74.25MHz, 27MHz, or 13.5MHz.

Video Processing Feature Summary

• Supports automatic detection and configuration for HD-SDI and SD-SDI standards
• Includes dual serial digital input buffers with integrated termination and a 2x1 multiplexer
• Performs NRZI-to-NRZ decoding and descrambling per SMPTE specifications
• Provides programmable error detection and correction capabilities

Video Processing Applications

• SMPTE 292M Serial Digital Interfaces
• SMPTE 259M-C Serial Digital Interfaces
• DVB-ASI Serial Digital Interfaces

Video Processing Procurement Notes

Verify the specific suffix 'CFE3' against official manufacturer documentation to confirm package type and environmental compliance status. Ensure the component matches the Gennum/Semtech GS1561 specification sheet dated June 2009. Confirm RoHS compliance and lead-free status through authorized distributors or original equipment manufacturer channels before procurement.

Video Processing Selection Notes

Select this component when a dual-rate deserializer is required for HD-SDI and SD-SDI applications without the need for a serial loop-through cable driver. The GS1561 lacks the SDO pins present in the GS1560A variant. It is suitable for designs requiring integrated reclocking, word alignment, and error processing functions within a small footprint compatible with other devices in the series.

Video Processing Part Context

The GS1561 is part of the HD-LINX II family of serializers and deserializers originally developed by Gennum Corporation. Following Semtech Corporation's acquisition of Gennum, these products are managed under Semtech's broadcast video portfolio. The GS1561 serves as the deserializer counterpart to serializers like the GS1524, forming a complete transmission solution for serial digital video interfaces.

Video Processing Replacement Considerations

The GS1560A is a related variant that includes an integrated serial loop-through cable driver. If loop-through functionality is not required, the GS1561 is the appropriate selection. Verify pin compatibility and functional requirements against the GS1560A datasheet if considering cross-referencing between these two models.