73S8014R-IL/F2 Equivalent & Substitute Parts

Part Overview

The 73S8014R-IL/F2 is a specialized interface IC designed for set-top box applications, manufactured by Analog Devices Inc./Maxim Integrated. This component is classified as obsolete, indicating it is no longer in active production. Due to its obsolete status and limited availability for new designs, identifying functionally equivalent substitute components is essential for system redesign, legacy product support, and supply chain continuity.

Substiute Parts

73S8014R-IL/F2

Analog Devices Inc./Maxim IntegratedIn Stock: 91173S8014R-IL/F2 Datasheet

Current PartRFQ

NCN8025MTTBG

onsemiIn Stock: 17486NCN8025MTTBG Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 73S8014R-IL/F2 is determined by the following critical parameters:

• Functional Category: Both parts must serve as specialized interface ICs for set-top box or pay TV decoder applications
• Supply Voltage Compatibility: The substitute must operate within or encompass the original supply voltage range (2.7V ~ 5.5V)
• Mounting Technology: Surface mount compatibility is required for PCB integration
• Compliance Standards: RoHS3 compliance and REACH unaffected status ensure regulatory alignment
• Package Form Factor: While the original uses 20-SOIC packaging, substitute parts may use alternative surface-mount packages (such as QFN) provided they are compatible with the application's electrical and mechanical requirements

The NCN8025MTTBG from onsemi qualifies as a manufacturer-recommended substitute based on its active product status, identical application domain (set-top box decoder interface), compatible supply voltage range, and equivalent compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The NCN8025MTTBG is the manufacturer-recommended substitute for the obsolete 73S8014R-IL/F2. Selection of this substitute is justified by the following factors:

• Product Status: The NCN8025MTTBG maintains active production status, ensuring long-term availability and supply chain stability
• Regulatory Compliance: Both components meet ROHS3 compliance and REACH unaffected requirements, maintaining equivalent environmental and regulatory standing
• Application Alignment: Both parts are designed for set-top box and pay TV decoder interface functions, confirming functional equivalence within the intended application domain
• Supply Voltage: The NCN8025MTTBG supports 1.8V, 3V, and 5V operation, encompassing the original 2.7V ~ 5.5V range and providing additional flexibility
• Moisture Sensitivity: The NCN8025MTTBG offers superior moisture handling (MSL 1 vs. MSL 3), reducing handling and storage constraints

Frequently Asked Questions (FAQ)

Q: Why is the 73S8014R-IL/F2 marked as obsolete?

A: The 73S8014R-IL/F2 has reached end-of-life status with the manufacturer. Obsolete classification indicates the component is no longer manufactured and existing inventory is limited. Designs requiring this functionality must transition to active alternatives.

Q: Is the NCN8025MTTBG a direct pin-for-pin replacement?

A: No. The NCN8025MTTBG uses a 16-WFQFN package, while the original uses a 20-SOIC package. Pin count and pinout differ, requiring circuit board redesign and firmware validation. However, both components provide equivalent interface functionality for set-top box applications.

Q: What are the key differences in packaging between these parts?

A: The 73S8014R-IL/F2 uses 20-SOIC (0.295", 7.50mm width) packaging, while the NCN8025MTTBG uses 16-WFQFN (3x3mm) packaging. The QFN package offers a smaller footprint and improved thermal characteristics through an exposed pad. PCB layout modifications are required for substitution.

Q: Are there supply voltage compatibility concerns?

A: The NCN8025MTTBG operates at 1.8V, 3V, and 5V, while the original supports 2.7V ~ 5.5V. If your system operates at 2.7V or 4V, verify that the substitute's discrete voltage levels (1.8V, 3V, 5V) are compatible with your power distribution architecture.

Q: What is the moisture sensitivity impact?

A: The NCN8025MTTBG has MSL 1 (unlimited moisture sensitivity level), compared to MSL 3 (168 hours) for the original. This improvement reduces handling, storage, and reflow process constraints, lowering manufacturing risk.

Q: Can I use the NCN8025MTTBG in legacy designs without modification?

A: No. Circuit board redesign is mandatory due to different package types and pin configurations. Firmware validation and functional testing are required to confirm system compatibility.