74LVC86ADB,112 XOR Logic IC Equivalent & Substitute Parts

Part Overview

The 74LVC86ADB,112 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 substitute parts necessary for new designs and ongoing production requirements. The 74LVC86 series provides low-voltage CMOS logic functionality suitable for digital signal processing and control applications operating across 1.2V to 3.6V supply voltage ranges.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC86ADB,112
Manufacturer	Nexperia USA Inc.
Logic Type	XOR (Exclusive OR)
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	1.2V ~ 3.6V
Current - Quiescent (Max)	40 µA
Current - Output High, Low	24mA, 24mA
Max Propagation Delay @ 3.3V, 50pF	5ns
Operating Temperature	-40°C ~ 125°C
Package / Case	14-SSOP (0.209", 5.30mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74LVC86ADB,112 are grouped based on the following critical parameters that determine functional and mechanical compatibility:

Primary Substitution Criteria:

Logic Type: XOR (Exclusive OR) with 4 channels and 2 inputs per channel
Supply Voltage Range: Minimum 1.2V support required for direct replacement
Output Current Capability: 24mA minimum for both high and low states
Propagation Delay: Maximum 5ns at 3.3V with 50pF load
Operating Temperature Range: -40°C to 125°C minimum
Package Type: 14-SSOP or 14-TSSOP surface mount packages
Compliance: ROHS3 and MSL Level 1

Secondary Compatibility Factors:

Quiescent Current: Parts with higher quiescent current (10 µA or 40 µA) remain functionally compatible
Voltage Supply Floor: Parts with 1.65V or 2V minimum supply voltage are compatible with 1.2V-rated designs when operating above their minimum threshold
Propagation Delay Variance: Parts with slightly faster propagation delay (4.4ns or 4.6ns) are backward compatible

Parts that do not meet the primary criteria are listed as conditional substitutes with specific application limitations.

Parameter Comparison

Part Number	Manufacturer	Package	Voltage Supply	Quiescent Current (Max)	Propagation Delay @ 3.3V, 50pF	Operating Temp	Product Status
74LVC86ADB,112	Nexperia USA Inc.	14-SSOP	1.2V ~ 3.6V	40 µA	5ns	-40°C ~ 125°C	Obsolete
74LVC86APW,118	Nexperia USA Inc.	14-TSSOP	1.2V ~ 3.6V	40 µA	5ns	-40°C ~ 125°C	Active
74LCX86MTCX	Fairchild Semiconductor	14-TSSOP	2V ~ 3.6V	10 µA	6.5ns	-40°C ~ 85°C	Active
MC74LCX86DTR2G	onsemi	14-TSSOP	2V ~ 3.6V	10 µA	6.5ns	-40°C ~ 85°C	Active
SN74LVC86ADBR	Texas Instruments	14-SSOP	1.65V ~ 3.6V	1 µA	4.4ns	-40°C ~ 125°C	Active
SN74LVC86APW	Texas Instruments	14-TSSOP	1.65V ~ 3.6V	1 µA	4.4ns	-40°C ~ 125°C	Active
SN74LVC86APWG4	Texas Instruments	14-TSSOP	1.65V ~ 3.6V	1 µA	4.4ns	-40°C ~ 125°C	Discontinued at DiGi Electronics
SN74LVC86APWR	Texas Instruments	14-TSSOP	1.65V ~ 3.6V	1 µA	4.4ns	-40°C ~ 125°C	Active
SN74LVC86APWT	Texas Instruments	14-TSSOP	1.65V ~ 3.6V	1 µA	4.4ns	-40°C ~ 125°C	Discontinued at DiGi Electronics
SN74LVC86AQPWREP	Texas Instruments	14-TSSOP	2V ~ 3.6V	10 µA	4.6ns	-40°C ~ 125°C	Active
SN74LVC86AQPWRG4Q1	Texas Instruments	14-TSSOP	2V ~ 3.6V	10 µA	4.6ns	-40°C ~ 125°C	Active

Engineering Selection Recommendations

Direct Replacement (Same Package - 14-SSOP):

SN74LVC86ADBR from Texas Instruments is the primary direct replacement for the 74LVC86ADB,112. Both use 14-SSOP packaging with identical pinout and footprint. The SN74LVC86ADBR offers improved specifications including lower quiescent current (1 µA vs. 40 µA), faster propagation delay (4.4ns vs. 5ns), and extended voltage support (1.65V minimum). Product status is Active with full ROHS3 compliance and MSL Level 1 rating.

Package-Compatible Alternatives (14-TSSOP):

For designs that can accommodate the narrower 14-TSSOP package (0.173" vs. 0.209" width), multiple active alternatives exist:

74LVC86APW,118 (Nexperia) maintains identical electrical specifications to the original part with Active product status
SN74LVC86APW, SN74LVC86APWR (Texas Instruments) provide superior performance with 1 µA quiescent current and 4.4ns propagation delay
SN74LVC86AQPWREP and SN74LVC86AQPWRG4Q1 (Texas Instruments) include automotive-grade qualification (AEC-Q100) for SN74LVC86AQPWRG4Q1

Conditional Substitutes (Voltage and Temperature Limitations):

74LCX86MTCX (Fairchild) and MC74LCX86DTR2G (onsemi) are functionally equivalent but with constraints:

Minimum supply voltage: 2V (vs. 1.2V for original)
Maximum operating temperature: 85°C (vs. 125°C for original)
Slightly slower propagation delay: 6.5ns (vs. 5ns for original)

These parts are suitable only for applications operating above 2V supply and below 85°C ambient temperature.

Discontinued Parts (Not Recommended for New Designs):

SN74LVC86APWG4 and SN74LVC86APWT are discontinued at DiGi Electronics and should not be selected for new production designs despite remaining in inventory.

Frequently Asked Questions (FAQ)

Q: Can I use SN74LVC86ADBR as a direct drop-in replacement for 74LVC86ADB,112?

A: Yes. Both parts use 14-SSOP packaging with identical pinout and electrical function. The SN74LVC86ADBR is superior in performance with lower quiescent current and faster propagation delay. No circuit modifications are required.

Q: What is the difference between 14-SSOP and 14-TSSOP packages?

A: Both are 14-pin surface mount packages with identical pinout. The primary difference is package width: 14-SSOP is 5.30mm wide, while 14-TSSOP is 4.40mm wide. PCB footprints are not interchangeable without layout redesign. Verify your PCB design before selecting a package variant.

Q: Can I use 74LCX86MTCX in a design that operates at 1.2V supply voltage?

A: No. The 74LCX86MTCX has a minimum supply voltage of 2V and will not function reliably below this threshold. Use 74LVC86APW,118 or SN74LVC86APW instead, which support 1.2V operation.

Q: Why does SN74LVC86AQPWRG4Q1 have "Q1" in the part number?

A: The "Q1" suffix indicates AEC-Q100 automotive qualification. This part meets automotive-grade reliability standards and is suitable for automotive applications. It is functionally equivalent to non-qualified variants for general industrial use.

Q: Is the 74LVC86ADB,112 still available for purchase?

A: The 74LVC86ADB,112 is classified as obsolete. Current inventory of 1,085 pieces exists, but no new production is expected. For new designs and long-term supply assurance, select an active substitute such as 74LVC86APW,118 or SN74LVC86ADBR.

Q: What is the difference in quiescent current between the original part and Texas Instruments substitutes?

A: The original 74LVC86ADB,112 draws 40 µA quiescent current. Texas Instruments SN74LVC86 variants draw only 1 µA, reducing standby power consumption by 97.5%. This improvement is beneficial for battery-powered and low-power applications.

Q: Can I use SN74LVC86AQPWREP in applications requiring operation above 125°C?

A: No. The SN74LVC86AQPWREP maximum operating temperature is 125°C. For applications exceeding this range, consult alternative logic families or contact the manufacturer for extended-temperature variants.

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