SN74LVC86AQDREP Equivalent & Substitute Parts

Part Overview

The SN74LVC86AQDREP is a 4-channel XOR (Exclusive OR) logic gate IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This part operates across a 2V to 3.6V supply voltage range with low quiescent current and is classified as Active product status. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, higher inventory availability, extended operating temperature ranges, or automotive-grade qualification.

Key Parameters

Parameter	Value
Logic Type	XOR (Exclusive OR)
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	2V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ 3.3V, 50pF	4.6ns
Operating Temperature	-40°C ~ 125°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the SN74LVC86AQDREP is determined by the following critical parameters:

Logic function: XOR gate with 4 channels and 2 inputs per channel
Package type: 14-SOIC surface mount form factor
Supply voltage compatibility: Minimum 2V operation required
Output drive capability: 24mA minimum for both high and low states
Propagation delay: Maximum 6.5ns at 3.3V with 50pF load
Operating temperature range: Minimum -40°C to 125°C coverage
Compliance: ROHS3 and REACH requirements

Parts meeting these criteria are classified as parametric equivalents. Parts with extended voltage ranges, higher quiescent current specifications, or automotive qualification are identified as manufacturer-recommended alternatives with noted parameter variations.

Parameter Comparison

Parameter	SN74LVC86AQDREP (TI)	SN74LVC86AQDRG4Q1 (TI)	74LVC86AD,118 (Nexperia)	74LVC86AS14-13 (Diodes)	MC74LCX86DR2G (onsemi)
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Diodes Incorporated	onsemi
Logic Type	XOR (Exclusive OR)	XOR (Exclusive OR)	XOR (Exclusive OR)	XOR (Exclusive OR)	XOR (Exclusive OR)
Number of Circuits	4	4	4	4	4
Number of Inputs	2	2	2	2	2
Voltage - Supply	2V ~ 3.6V	2V ~ 3.6V	1.2V ~ 3.6V	1.65V ~ 5.5V	2V ~ 3.6V
Current - Quiescent (Max)	10 µA	10 µA	40 µA	10 µA	10 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.8V	0.8V	0.58V ~ 0.8V	0.58V ~ 1.65V	0.8V
Input Logic Level - High	2V	2V	1.07V ~ 2V	1.07V ~ 3.85V	2V
Max Propagation Delay @ 3.3V, 50pF	4.6ns	4.6ns	5ns	4.4ns	6.5ns
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC
Grade	Standard	Automotive	Standard	Standard	Standard
Qualification	None listed	AEC-Q100	None listed	None listed	None listed
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SN74LVC86AQDRG4Q1 (Texas Instruments) is a parametric equivalent with identical electrical specifications to the SN74LVC86AQDREP. This part carries AEC-Q100 automotive qualification, making it suitable for applications requiring automotive-grade components while maintaining full functional and electrical compatibility.

74LVC86AD,118 (Nexperia USA Inc.) operates across an extended supply voltage range of 1.2V to 3.6V and features quiescent current specification of 40 µA maximum. Propagation delay is specified at 5ns, representing a 0.4ns increase relative to the main part. This substitute is suitable for low-voltage applications below 2V where the extended voltage range provides design flexibility.

74LVC86AS14-13 (Diodes Incorporated) supports the widest supply voltage range of 1.65V to 5.5V and features the fastest propagation delay at 4.4ns. Input logic level thresholds are specified with wider tolerance bands. This part is applicable to designs requiring extended voltage compatibility or superior timing performance.

MC74LCX86DR2G (onsemi) maintains the 2V to 3.6V supply voltage range and 10 µA quiescent current specification. Operating temperature range is limited to -40°C to 85°C, representing a 40°C reduction in the upper temperature limit. Propagation delay is specified at 6.5ns. This substitute is suitable for applications where the reduced temperature range is acceptable and inventory availability is a priority.

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and 14-SOIC package compatibility with the main part.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC86AQDRG4Q1 be used as a direct replacement for SN74LVC86AQDREP?

A: Yes. SN74LVC86AQDRG4Q1 is a parametric equivalent with identical electrical specifications, supply voltage range, quiescent current, output drive capability, propagation delay, and operating temperature range. The primary distinction is AEC-Q100 automotive qualification on the G4Q1 variant.

Q: What is the key difference between 74LVC86AD,118 and the main part?

A: The 74LVC86AD,118 extends the minimum supply voltage to 1.2V (versus 2V on the main part) and specifies maximum quiescent current at 40 µA (versus 10 µA). Propagation delay increases to 5ns. These differences make it suitable for low-voltage applications but not for designs requiring the lower quiescent current specification.

Q: Is 74LVC86AS14-13 compatible with the same circuit board layout?

A: Yes. All substitute parts use the 14-SOIC package with identical 0.154" width and 3.90mm dimensions, ensuring mechanical and electrical compatibility with existing PCB layouts and sockets.

Q: Why does MC74LCX86DR2G have a reduced operating temperature range?

A: MC74LCX86DR2G is specified for -40°C to 85°C operation, which is 40°C lower than the main part's 125°C maximum. This specification difference reflects the onsemi product line characterization. Applications requiring operation above 85°C must use alternative parts.

Q: Can I use 74LVC86AS14-13 in a 5V system?

A: Yes. The 74LVC86AS14-13 supports supply voltages up to 5.5V, making it suitable for 5V logic systems. The main part SN74LVC86AQDREP is limited to 3.6V maximum and is not recommended for 5V operation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of the main part.

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