74HC86DB,118 XOR Logic IC Equivalent & Substitute Parts

Part Overview

The 74HC86DB,118 is a 4-channel 2-input XOR (Exclusive OR) logic IC manufactured by Nexperia USA Inc. in 14-SSOP surface mount packaging. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The 74HC86 series provides standard logic gate functionality across industrial and commercial applications requiring XOR operation at CMOS voltage levels.

Key Parameters

Parameter	Value
Logic Type	XOR (Exclusive OR)
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	2V ~ 6V
Operating Temperature Range	-40°C ~ 125°C
Mounting Type	Surface Mount
Package Type	14-SSOP / 14-TSSOP
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the 74HC86DB,118 is determined by the following criteria:

Functional Equivalence: All substitute parts maintain identical logic configuration (4-channel XOR, 2-input per channel), voltage supply range (2V ~ 6V), and output drive capability (5.2mA high/low).

Package Compatibility: The main part uses 14-SSOP packaging. Direct substitutes employ 14-TSSOP packaging, which maintains identical pinout and electrical interface while offering improved thermal characteristics. Both packages are surface mount with compatible footprints for standard PCB assembly.

Electrical Parameters: Substitute parts operate within the same input logic levels (Low: 0.5V ~ 1.8V, High: 1.5V ~ 4.2V) and quiescent current specifications (2 µA nominal, with automotive-grade variants at 20-40 µA). Propagation delay variations (17ns to 25ns @ 6V, 50pF) remain within acceptable logic timing margins for standard applications.

Temperature Rating: The main part specifies -40°C ~ 125°C. Most substitutes support -40°C ~ 85°C, with automotive-qualified variants (SN74HC86QPWRG4Q1, SN74HC86QPWRQ1) extending to -40°C ~ 125°C.

Product Status: Active substitutes from Texas Instruments and Fairchild Semiconductor ensure long-term availability and supply chain continuity.

Parameter Comparison

Part Number	Manufacturer	Package	Status	Voltage Supply	Quiescent Current (Max)	Propagation Delay @ 6V, 50pF	Temp Range	Grade
74HC86DB,118	Nexperia USA Inc.	14-SSOP	Obsolete	2V ~ 6V	2 µA	20ns	-40°C ~ 125°C	Standard
74HC86PW,118	Nexperia USA Inc.	14-TSSOP	Active	2V ~ 6V	2 µA	20ns	-40°C ~ 125°C	Standard
MM74HC86MTCX	Fairchild Semiconductor	14-TSSOP	Active	2V ~ 6V	2 µA	20ns	-40°C ~ 85°C	Standard
SN74HC86IPWRG4Q1	Texas Instruments	14-TSSOP	Active	2V ~ 6V	20 µA	21ns	-40°C ~ 85°C	Automotive (AEC-Q100)
SN74HC86PW	Texas Instruments	14-TSSOP	Discontinued at DiGi Electronics	2V ~ 6V	2 µA	17ns	-40°C ~ 85°C	Standard
SN74HC86PWR	Texas Instruments	14-TSSOP	Active	2V ~ 6V	2 µA	17ns	-40°C ~ 85°C	Standard
SN74HC86QPWRG4Q1	Texas Instruments	14-TSSOP	Active	2V ~ 6V	40 µA	25ns	-40°C ~ 125°C	Automotive (AEC-Q100)
SN74HC86QPWRQ1	Texas Instruments	14-TSSOP	Active	2V ~ 6V	40 µA	25ns	-40°C ~ 125°C	Automotive (AEC-Q100)

Engineering Selection Recommendations

For Direct Replacement (Standard Industrial Applications): 74HC86PW,118 (Nexperia) is the primary substitute, offering identical electrical performance and extended temperature range (-40°C ~ 125°C) matching the original part. Active product status ensures supply continuity.

For Cost-Optimized Selection (Temperature-Constrained Applications): SN74HC86PWR (Texas Instruments) provides equivalent functionality with improved propagation delay (17ns) and active product status. Temperature range limitation (-40°C ~ 85°C) is acceptable for non-extended-range applications.

For Automotive and High-Reliability Applications: SN74HC86QPWRG4Q1 or SN74HC86QPWRQ1 (Texas Instruments) provide AEC-Q100 automotive qualification with extended temperature support (-40°C ~ 125°C). Higher quiescent current (40 µA) and propagation delay (25ns) remain within acceptable margins for automotive logic circuits.

For Legacy Temperature Requirements: MM74HC86MTCX (Fairchild Semiconductor) maintains standard performance with -40°C ~ 85°C rating. Availability should be confirmed for long-term procurement.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74HC86DB,118 with 74HC86PW,118? A: Yes. Both parts share identical electrical specifications, logic configuration, and temperature range. The package change from 14-SSOP to 14-TSSOP requires PCB footprint adjustment, but pinout and electrical interface are compatible.

Q: What is the difference between standard and automotive-grade 74HC86 variants? A: Automotive-grade parts (SN74HC86QPWRG4Q1, SN74HC86QPWRQ1) carry AEC-Q100 qualification, indicating enhanced reliability testing and process controls. Quiescent current and propagation delay specifications are relaxed (40 µA, 25ns) compared to standard grades. Use automotive variants only when AEC-Q100 certification is required.

Q: Does package type affect electrical performance? A: No. 14-SSOP and 14-TSSOP packages maintain identical electrical characteristics and pinout. Package selection is driven by PCB assembly capabilities and thermal management requirements. 14-TSSOP offers improved thermal performance due to reduced package width.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts are RoHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

Q: Which substitute has the fastest propagation delay? A: SN74HC86PW (Texas Instruments) specifies 17ns propagation delay at 6V with 50pF load, the fastest among listed substitutes. This may be relevant for timing-critical applications, though all variants remain within standard logic timing margins.

Q: Can I use SN74HC86PW if my application requires -40°C ~ 125°C operation? A: No. SN74HC86PW is rated only to -40°C ~ 85°C. For extended temperature range, use 74HC86PW,118 (Nexperia) or automotive-qualified variants (SN74HC86QPWRG4Q1, SN74HC86QPWRQ1).

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