GS2974ACNTE3Z Equivalent & Substitute Parts

Part Overview

The GS2974ACNTE3Z is a video cable equalizer IC manufactured by Semtech Corporation, designed for professional video applications utilizing DVB-ASI and SMPTE standards. This component operates as a serial-controlled equalizer in the HD-LINX® III series and is housed in a 16-QFN (4x4) surface mount package. The part is designated as Last Time Buy, indicating end-of-life status and necessitating identification of active substitute components for ongoing design requirements and production continuity.

Substiute Parts

GS2974ACNTE3Z

Semtech CorporationIn Stock: 652GS2974ACNTE3Z Datasheet

Current PartRFQ

LMH0044SQ/NOPB

Texas InstrumentsIn Stock: 5173LMH0044SQ/NOPB Datasheet

MFR RecommendedRFQ

LMH0074SQ/NOPB

Texas InstrumentsIn Stock: 2351LMH0074SQ/NOPB Datasheet

MFR RecommendedRFQ

LMH0074SQE/NOPB

National SemiconductorIn Stock: 4718LMH0074SQE/NOPB Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the GS2974ACNTE3Z are qualified based on the following critical parameters:

• Supply Voltage Range: 3.135V ~ 3.465V (exact match required)
• Package Type: 16-pin QFN/WQFN with 4x4mm footprint and exposed pad (mechanical and electrical compatibility)
• Mounting Type: Surface Mount (consistent with PCB assembly requirements)
• Control Interface: Serial (functional equivalence for system integration)
• Standards Compliance: DVB-ASI and SMPTE support (application-specific requirements)

The three substitute parts listed below meet these electrical and mechanical criteria and maintain active product status, ensuring long-term availability and supply chain reliability.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts maintain active product status, ensuring continued availability and manufacturing support. The LMH0044SQ/NOPB and LMH0074SQ/NOPB are manufactured by Texas Instruments with ROHS3 compliance and MSL Level 1 ratings, providing superior moisture handling characteristics compared to the original GS2974ACNTE3Z. The LMH0074SQE/NOPB, sourced from National Semiconductor, offers RoHS compliance and maintains the same supply voltage specification.

Selection between substitute options should be based on application-specific interface requirements (Data Transport versus Displays) and supply chain availability. All candidates satisfy the core electrical parameters and mechanical form factor constraints of the GS2974ACNTE3Z.

Frequently Asked Questions (FAQ)

Q: Can LMH0044SQ/NOPB and LMH0074SQ/NOPB be used interchangeably with GS2974ACNTE3Z?

A: Both parts meet the critical substitution criteria: identical supply voltage range (3.135V ~ 3.465V), compatible 16-pin QFN (4x4) package footprint with exposed pad, surface mount configuration, and serial control interface. Functional compatibility depends on application-specific requirements for Data Transport (LMH0044SQ/NOPB) versus Displays (LMH0074SQ/NOPB) interfaces.

Q: What is the difference between 16-VQFN and 16-WQFN packages?

A: Both designations refer to 16-pin Quad Flat No-Lead packages with 4x4mm footprint and exposed thermal pad. The VQFN and WQFN variants are mechanically and electrically compatible for PCB assembly and thermal management purposes.

Q: Why is MSL Level 1 preferable to MSL Level 3?

A: MSL Level 1 (Unlimited) indicates the component has no moisture absorption limitations and requires no baking prior to reflow soldering. MSL Level 3 (168 Hours) requires controlled storage conditions and baking procedures before assembly, adding process complexity and cost.

Q: Are all substitute parts RoHS compliant?

A: Yes. GS2974ACNTE3Z is RoHS Compliant. LMH0044SQ/NOPB and LMH0074SQ/NOPB are ROHS3 Compliant. LMH0074SQE/NOPB is RoHS Compliant. All meet environmental regulatory requirements.

Q: What inventory levels are available for each substitute?

A: LMH0044SQ/NOPB: 5088 Pcs. LMH0074SQ/NOPB: 2300 Pcs. LMH0074SQE/NOPB: 4671 Pcs. All are listed as New Original In Stock.