74F86SCX XOR Logic IC Equivalent & Substitute Parts

Part Overview

The 74F86SCX is a 4-channel, 2-input XOR (Exclusive OR) logic integrated circuit manufactured by onsemi in a 14-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The 74F86 series provides standard logic gating functionality suitable for digital circuit applications requiring XOR operations across multiple channels.

Substiute Parts

74F86SCX

onsemiIn Stock: 461674F86SCX Datasheet

Current PartRFQ

SN74F86D

Texas InstrumentsIn Stock: 1695SN74F86D Datasheet

DirectRFQ

SN74F86NSR

Texas InstrumentsIn Stock: 4055SN74F86NSR Datasheet

SimilarRFQ

SN74F86DR

Texas InstrumentsIn Stock: 3856SN74F86DR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74F86SCX is determined by strict equivalence across the following critical parameters:

• Logic Type: XOR (Exclusive OR) with 4 channels and 2 inputs per channel
• Electrical Performance: Supply voltage 4.5V ~ 5.5V, output current 1mA/20mA, propagation delay 7ns @ 5V/50pF
• Input Logic Levels: Low 0.8V, High 2V
• Operating Temperature Range: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package Compatibility: 14-SOIC footprint

Substitute parts are grouped by their relationship to the main part:

Direct Manufacturer Substitute (SN74F86D): Identical electrical and functional specifications with different packaging format (Tube vs. original specification).

Similar Manufacturer Substitute (SN74F86NSR): Meets all electrical parameters with package width variation (0.209" vs. 0.154") and different packaging format (Tape & Reel).

Parametric Equivalent (SN74F86DR): Complete electrical and functional equivalence with identical package specifications and Tape & Reel packaging.

Parameter Comparison

Engineering Selection Recommendations

For PCB Layout Compatibility: SN74F86D and SN74F86DR are preferred substitutes as they maintain identical package dimensions (14-SOIC, 0.154" width) to the original 74F86SCX. These parts require no PCB footprint modifications and provide direct drop-in replacement capability.

For Active Product Status: SN74F86NSR and SN74F86DR are both active products from Texas Instruments, ensuring long-term availability and supply chain continuity. SN74F86D carries Last Time Buy status, indicating limited future availability.

For Regulatory Compliance: All three Texas Instruments substitutes (SN74F86D, SN74F86NSR, SN74F86DR) are ROHS3 compliant and REACH unaffected, meeting modern environmental and regulatory requirements.

For Packaging Format: SN74F86DR in Tape & Reel format is suitable for automated assembly processes. SN74F86NSR also provides Tape & Reel packaging with the same electrical performance but requires accommodation of the wider package width (0.209" vs. 0.154").

Frequently Asked Questions (FAQ)

Q: Can SN74F86NSR be used as a direct replacement for 74F86SCX on existing PCBs?

A: SN74F86NSR has identical electrical specifications and logic functionality. However, the package width differs (0.209" vs. 0.154"), which may affect PCB layout compatibility depending on board density and trace routing. Footprint verification is necessary before substitution.

Q: What is the difference between SN74F86D and SN74F86DR?

A: Both parts are electrically and functionally identical with the same 14-SOIC package dimensions. The primary difference is packaging format: SN74F86D is supplied in Tube format, while SN74F86DR is supplied in Tape & Reel format. SN74F86DR is recommended for automated assembly processes.

Q: Why is the 74F86SCX obsolete, and what are the implications?

A: The 74F86SCX is classified as obsolete by onsemi, indicating discontinued production. Texas Instruments equivalents (SN74F86D, SN74F86NSR, SN74F86DR) provide functional continuity. SN74F86NSR and SN74F86DR are active products with assured long-term availability.

Q: Are all substitute parts pin-compatible with the original 74F86SCX?

A: All substitute parts maintain the same logic function (4-channel, 2-input XOR) and operate within identical electrical parameters. Pin compatibility is assured for functional equivalence. Physical package dimensions should be confirmed for PCB layout compatibility.

Q: What compliance certifications apply to these substitute parts?

A: All Texas Instruments substitutes are ROHS3 compliant and REACH unaffected. Moisture Sensitivity Level is 1 (Unlimited) for all parts, indicating no special moisture handling requirements during storage or assembly.