GS2975ACNE3 Equivalent & Substitute Parts

Part Overview

The GS2975ACNE3 is a dual-channel video reclocker IC manufactured by Semtech, designed for professional video applications utilizing DVB-ASI and SMPTE standards. This component operates as a serial-controlled reclocker in a 64-QFN (9x9) surface mount package with an exposed pad. The product is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system design and maintenance requirements.

Substiute Parts

GS2975ACNE3

SemtechIn Stock: 1912GS2975ACNE3 Datasheet

Current PartRFQ

GS6152-INE3

Semtech CorporationIn Stock: 1295GS6152-INE3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the GS2975ACNE3 is determined by the following critical parameters:

Functional Equivalence: Both the main part and substitute must perform video reclocker functionality for professional video applications.

Standards Compliance: The substitute must support DVB-ASI standard as a minimum requirement. Extended standard support (MADI, SMPTE) indicates enhanced capability.

Control Interface Compatibility: The GS2975ACNE3 uses serial control. The substitute GS6152-INE3 provides GPIO and SPI interfaces, which represent alternative control methodologies suitable for reclocker applications.

Supply Voltage: The GS2975ACNE3 operates at 3.135V ~ 3.465V, while the GS6152-INE3 operates at 1.71V ~ 1.89V. These voltage ranges are distinct and require separate power supply design considerations.

Package and Mounting: Both components are surface mount with exposed pad QFN packages. The GS2975ACNE3 uses 64-QFN (9x9), while the GS6152-INE3 uses 48-QFN (6x6), resulting in different PCB footprints and pin counts.

Compliance and Certification: Both parts maintain RoHS compliance and identical MSL ratings, ensuring environmental and reliability consistency.

Parameter Comparison

Engineering Selection Recommendations

The GS6152-INE3 is identified as the manufacturer-recommended substitute for the obsolete GS2975ACNE3. Both components maintain identical RoHS compliance and MSL ratings, ensuring regulatory and environmental consistency.

Selection of the GS6152-INE3 requires design modifications in the following areas:

Power Supply Architecture: The supply voltage range differs significantly (3.135V ~ 3.465V versus 1.71V ~ 1.89V). Existing power delivery networks must be redesigned to accommodate the lower voltage requirement of the substitute.

PCB Layout and Footprint: The reduction from 64-QFN (9x9) to 48-QFN (6x6) necessitates PCB redesign. The smaller package footprint and reduced pin count require signal routing and component placement modifications.

Control Interface Redesign: The transition from serial control to GPIO/SPI control requires firmware and hardware interface modifications. Signal timing and protocol implementation must be updated accordingly.

Standards Expansion: The GS6152-INE3 supports MADI in addition to DVB-ASI and SMPTE, providing extended functionality for multi-standard video applications.

The GS6152-INE3 product status of "Last Time Buy" indicates limited availability. Long-term production planning should account for this constraint.

Frequently Asked Questions (FAQ)

Q: Can the GS6152-INE3 directly replace the GS2975ACNE3 without design changes?

A: No. The GS6152-INE3 requires design modifications due to differences in supply voltage (1.71V ~ 1.89V versus 3.135V ~ 3.465V), package size (48-QFN 6x6 versus 64-QFN 9x9), pin count (48 versus 64), and control interface (GPIO/SPI versus serial). PCB layout and power supply architecture must be redesigned.

Q: What standards does the GS6152-INE3 support?

A: The GS6152-INE3 supports DVB-ASI, MADI, and SMPTE standards. The GS2975ACNE3 supports DVB-ASI and SMPTE. The additional MADI support in the substitute provides extended capability for multi-standard video applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the GS2975ACNE3 and GS6152-INE3 are RoHS compliant with identical Moisture Sensitivity Level ratings of 3 (168 Hours).

Q: What is the difference in control interface between these parts?

A: The GS2975ACNE3 uses serial control interface. The GS6152-INE3 uses GPIO and SPI control interfaces. These represent different communication protocols and require corresponding firmware and hardware modifications.

Q: Why is the GS6152-INE3 marked as "Last Time Buy"?

A: "Last Time Buy" status indicates that the manufacturer has announced end-of-life for this component. Existing inventory is available for purchase, but production will cease. Long-term availability is limited.

Q: What are the package footprint differences?

A: The GS2975ACNE3 uses a 64-pin QFN package measuring 9x9 mm. The GS6152-INE3 uses a 48-pin QFN package measuring 6x6 mm. These different footprints require separate PCB designs and cannot share the same circuit board layout.