SN74LVC2G86DCURE4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G86DCURE4 is a 2-channel XOR (Exclusive OR) logic IC manufactured by Texas Instruments in 8-VSSOP surface mount packaging. This part operates across a wide supply voltage range of 1.65V to 5.5V with low quiescent current and is compliant with RoHS3 and REACH standards. The product is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Logic Type	XOR (Exclusive OR)
Number of Circuits	2
Number of Inputs	2
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	32mA, 32mA
Max Propagation Delay @ 5V, 50pF	3.6ns
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-VFSOP (0.091", 2.30mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC2G86DCURE4 is determined by the following critical parameters:

Logic function: 2-channel XOR gate with 2 inputs per channel
Supply voltage range: 1.65V ~ 5.5V
Output drive capability: 32mA high and low
Operating temperature range: -40°C ~ 125°C
Surface mount packaging with compatible pinout
RoHS3 and REACH compliance

Substitute parts are grouped into two categories:

Parametric Equivalents (Texas Instruments & Nexperia): Parts with identical electrical specifications and 8-VSSOP or compatible 8-pin surface mount packaging. These include SN74LVC2G86DCUR, SN74LVC2G86DCUT, 74LVC2G86DC,125, and 74LVC2G86DC-Q100H.

Manufacturer Recommended Alternatives (onsemi): Parts with equivalent logic function and electrical performance but from alternative manufacturers. These include NC7WZ86K8X and NL27WZ86USG, which operate within the same voltage and temperature specifications with comparable propagation delay characteristics.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Voltage - Supply	Current - Quiescent (Max)	Output Drive (High/Low)	Max Propagation Delay @ 5V, 50pF	Operating Temperature	Package	Product Status
SN74LVC2G86DCURE4	Texas Instruments	XOR 2CH 2-INP	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.6ns	-40°C ~ 125°C	8-VFSOP	Obsolete
SN74LVC2G86DCUR	Texas Instruments	XOR 2CH 2-INP	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.6ns	-40°C ~ 125°C	8-VFSOP	Active
SN74LVC2G86DCUT	Texas Instruments	XOR 2CH 2-INP	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.6ns	-40°C ~ 125°C	8-VFSOP	Active
74LVC2G86DP,125	Nexperia USA Inc.	XOR 2CH 2-INP	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.6ns	-40°C ~ 125°C	8-TSSOP	Active
74LVC2G86DC,125	Nexperia USA Inc.	XOR 2CH 2-INP	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.6ns	-40°C ~ 125°C	8-VFSOP	Active
74LVC2G86DC-Q100H	Nexperia USA Inc.	XOR 2CH 2-INP	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.6ns	-40°C ~ 125°C	8-VFSOP	Active
NC7WZ86K8X	onsemi	XOR 2CH 2-INP	1.65V ~ 5.5V	1 µA	32mA, 32mA	4.2ns	-40°C ~ 85°C	8-VFSOP	Active
NL27WZ86USG	onsemi	XOR 2CH 2-INP	1.65V ~ 5.5V	1 µA	32mA, 32mA	4.2ns	-40°C ~ 125°C	8-VFSOP	Active

Engineering Selection Recommendations

Primary Substitutes (Texas Instruments): SN74LVC2G86DCUR and SN74LVC2G86DCUT are direct parametric equivalents with identical electrical specifications and packaging. Both are active products with established supply chains. Selection between these two depends on packaging format requirements (Cut Tape vs. Digi-Reel).

Secondary Substitutes (Nexperia): 74LVC2G86DC,125 and 74LVC2G86DP,125 provide equivalent functionality with lower quiescent current (4 µA vs. 10 µA). The DC variant maintains 8-VFSOP packaging compatibility, while the DP variant uses 8-TSSOP packaging. Both are RoHS3 and REACH compliant. The 74LVC2G86DC-Q100H variant includes AEC-Q100 automotive qualification for applications requiring automotive-grade components.

Alternative Manufacturers (onsemi): NC7WZ86K8X and NL27WZ86USG offer superior quiescent current performance (1 µA) and are suitable for low-power applications. NL27WZ86USG supports the full -40°C ~ 125°C temperature range, while NC7WZ86K8X operates to -40°C ~ 85°C. Propagation delay is slightly higher at 4.2ns compared to 3.6ns for Texas Instruments and Nexperia parts. Both maintain 8-VFSOP packaging and full compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can I directly replace SN74LVC2G86DCURE4 with SN74LVC2G86DCUR?

A: Yes. Both parts are manufactured by Texas Instruments with identical electrical specifications, supply voltage range, output drive capability, and operating temperature range. The primary difference is packaging format (Digi-Reel vs. Cut Tape). Pinout and functional behavior are identical.

Q: What is the difference between 74LVC2G86DC,125 and 74LVC2G86DP,125?

A: Both are Nexperia products with equivalent electrical performance. The DC variant uses 8-VFSOP packaging (0.091" width), while the DP variant uses 8-TSSOP packaging (0.118" width). Selection depends on PCB layout and available footprint space. Electrical specifications are identical.

Q: Why do onsemi parts (NC7WZ86K8X and NL27WZ86USG) have lower quiescent current?

A: onsemi's 7WZ and 27WZ series employ different process technology optimized for ultra-low standby power consumption. The 1 µA quiescent current versus 10 µA for the original part makes these suitable for battery-powered or always-on applications where power efficiency is critical.

Q: Is the 74LVC2G86DC-Q100H suitable for automotive applications?

A: Yes. The DC-Q100H variant carries AEC-Q100 automotive qualification, making it appropriate for automotive-grade designs. It maintains identical electrical specifications to the standard 74LVC2G86DC,125 while meeting automotive reliability and testing standards.

Q: What is the impact of the 4.2ns propagation delay in onsemi parts versus 3.6ns in Texas Instruments parts?

A: The 0.6ns difference is negligible for most digital logic applications. This becomes relevant only in high-speed timing-critical designs where propagation delay accumulation across multiple logic stages affects system performance. For standard logic applications, both specifications are functionally equivalent.

Q: Are all substitute parts RoHS3 and REACH compliant?

A: Yes. All listed substitute parts maintain RoHS3 and REACH compliance, ensuring compatibility with environmental and regulatory requirements across global markets.

Q: Can I use NC7WZ86K8X if my application requires -40°C ~ 125°C operation?

A: No. NC7WZ86K8X operates only to -40°C ~ 85°C. For full -40°C ~ 125°C temperature range support, use NL27WZ86USG, which provides equivalent performance across the extended temperature specification.

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