CD74HC86M XOR Logic IC Equivalent & Substitute Parts

Part Overview

The CD74HC86M is a 4-channel, 2-input Exclusive OR (XOR) logic gate integrated circuit manufactured by Texas Instruments in 14-SOIC surface mount packaging. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The CD74HC86M operates across a 2V to 6V supply voltage range with low quiescent current consumption and is suitable for general-purpose digital logic applications requiring XOR gate functionality.

Key Parameters

Parameter	Value	Unit
Logic Type	XOR (Exclusive OR)	—
Number of Circuits	4	—
Number of Inputs	2	—
Voltage - Supply	2V ~ 6V	V
Current - Quiescent (Max)	2	µA
Current - Output High, Low	5.2, 5.2	mA
Input Logic Level - Low	0.5V ~ 1.8V	V
Input Logic Level - High	1.5V ~ 4.2V	V
Max Propagation Delay @ 6V, 50pF	20	ns
Operating Temperature	-55°C ~ 125°C	°C
Mounting Type	Surface Mount	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Base Product Number	74HC86	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the CD74HC86M are classified based on strict electrical and mechanical compatibility within the 74HC86 logic gate family. The substitution criteria are:

Primary Substitution Criteria:

Logic Type: XOR (Exclusive OR)
Number of Circuits: 4
Number of Inputs: 2
Voltage Supply Range: 2V ~ 6V
Package Type: 14-SOIC surface mount
Base Product Number: 74HC86

Acceptable Parameter Variations:

Quiescent Current: 1 µA to 20 µA (all within low-power CMOS specification)
Propagation Delay: 15ns to 26ns @ 6V, 50pF (within logic timing tolerance)
Operating Temperature: -55°C to -40°C minimum; 85°C to 125°C maximum
Product Status: Active or Obsolete (both functionally equivalent)
Manufacturer: Texas Instruments, Fairchild Semiconductor, onsemi, Nexperia USA Inc., Diodes Incorporated

Non-Substitutable Parts:

74HCT244D,653 (Buffer logic type, different function, 20-SO package) — listed in source data but functionally incompatible

Parameter Comparison

Part Number	Manufacturer	Status	Logic Type	Circuits	Inputs	Supply (V)	Quiescent (µA)	Prop Delay (ns)	Temp (°C)	Package
CD74HC86M	Texas Instruments	Obsolete	XOR	4	2	2-6	2	20	-55 to 125	14-SOIC
CD74HC86M96	Texas Instruments	Active	XOR	4	2	2-6	2	20	-55 to 125	14-SOIC
MC74HC86ADR2G	Fairchild Semiconductor	Active	XOR	4	2	2-6	1	17	-55 to 125	14-SOIC
74HC86D,653	Nexperia USA Inc.	Active	XOR	4	2	2-6	2	20	-40 to 125	14-SOIC
74HC86D-Q100,118	Nexperia USA Inc.	Active	XOR	4	2	2-6	2	20	-40 to 125	14-SOIC
74HC86S14-13	Diodes Incorporated	Active	XOR	4	2	2-6	20	15	-40 to 125	14-SOIC
MC74HC86ADG	onsemi	Active	XOR	4	2	2-6	1	17	-55 to 125	14-SOIC
MM74HC86M	Fairchild Semiconductor	Active	XOR	4	2	2-6	2	20	-40 to 85	14-SOIC
MM74HC86MX	Fairchild Semiconductor	Active	XOR	4	2	2-6	2	20	-40 to 85	14-SOIC
NLV74HC86ADG	onsemi	Obsolete	XOR	4	2	2-6	1	26	-55 to 125	14-SOIC

Engineering Selection Recommendations

First Priority - Direct Functional Equivalents (Active Status):

CD74HC86M96 is the primary substitute. Manufactured by Texas Instruments, it maintains identical electrical specifications to the CD74HC86M while offering active product status and improved availability. Both parts share the same base product number (74HC86), supply voltage range (2V-6V), quiescent current (2 µA), propagation delay (20ns), and operating temperature range (-55°C to 125°C). Packaging is identical 14-SOIC surface mount.

MC74HC86ADG (onsemi) and MC74HC86ADR2G (Fairchild Semiconductor) provide superior performance characteristics with reduced quiescent current (1 µA) and faster propagation delay (17ns). Both maintain the full -55°C to 125°C operating temperature range and are ROHS3 compliant. These parts are suitable for applications where lower power consumption or faster switching speed provides design benefit.

Secondary Priority - Temperature-Limited Substitutes (Active Status):

MM74HC86M and MM74HC86MX (Fairchild Semiconductor) are functionally equivalent but operate within a reduced temperature range (-40°C to 85°C). These parts are appropriate for commercial and industrial applications that do not require the extended -55°C minimum temperature specification. MM74HC86MX offers bulk packaging for high-volume procurement.

74HC86D,653 and 74HC86D-Q100,118 (Nexperia USA Inc.) provide equivalent performance with -40°C to 125°C operating range. The 74HC86D-Q100,118 variant includes AEC-Q100 automotive qualification, suitable for automotive-grade applications.

Specialized Application - High-Speed Variant:

74HC86S14-13 (Diodes Incorporated) offers the fastest propagation delay (15ns @ 6V, 50pF) among available substitutes. This part is suitable for timing-critical applications. Note: quiescent current specification is 20 µA, higher than the original part. Operating temperature range is -40°C to 125°C.

Compliance Considerations:

All recommended substitutes are ROHS3 compliant with MSL rating of 1 (Unlimited moisture sensitivity). REACH status is unaffected for all parts. ECCN classification is EAR99 for all variants.

Frequently Asked Questions (FAQ)

Q: Can CD74HC86M96 directly replace CD74HC86M without circuit modification?

A: Yes. CD74HC86M96 is a direct functional equivalent with identical electrical specifications. Both parts operate at 2V-6V supply voltage, have 2 µA quiescent current, 20ns propagation delay, and -55°C to 125°C temperature range. The 14-SOIC package dimensions are identical. No circuit modification is required.

Q: What is the difference between MC74HC86ADG and MC74HC86ADR2G?

A: Both parts are manufactured by Fairchild Semiconductor with identical electrical specifications: 1 µA quiescent current and 17ns propagation delay. The difference is packaging format. MC74HC86ADG is supplied in Tube packaging, while MC74HC86ADR2G uses standard tape and reel format. Electrical performance is identical.

Q: Why is 74HCT244D,653 listed in the source data but not recommended?

A: 74HCT244D,653 is a Buffer, Non-Inverting logic gate with different functional architecture (2 elements, 4 bits per element, 3-state output, 20-SO package). It is not functionally equivalent to the XOR gate CD74HC86M. This part was listed in the source data but does not meet substitution criteria.

Q: Can I use MM74HC86M or MM74HC86MX if my application operates at -55°C?

A: No. MM74HC86M and MM74HC86MX have minimum operating temperature of -40°C. If your application requires -55°C operation, use CD74HC86M96, MC74HC86ADG, MC74HC86ADR2G, or NLV74HC86ADG instead.

Q: Is NLV74HC86ADG suitable for new designs?

A: NLV74HC86ADG is classified as obsolete. While it provides AEC-Q100 automotive qualification and full -55°C to 125°C temperature range, it has slower propagation delay (26ns) compared to other active alternatives. For new automotive designs, use 74HC86D-Q100,118 (Nexperia), which offers AEC-Q100 qualification with active product status.

Q: What is the advantage of 74HC86S14-13 over other substitutes?

A: 74HC86S14-13 offers the fastest propagation delay at 15ns @ 6V, 50pF. This is beneficial for timing-critical applications. However, quiescent current is 20 µA, higher than most alternatives. Operating temperature range is -40°C to 125°C. Select this part only if propagation delay performance is a design requirement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts carry ROHS3 compliance certification. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts, indicating no moisture sensitivity restrictions during storage and handling.

Q: Can I mix different manufacturers' parts in the same production batch?

A: Yes. All substitute parts meet identical electrical specifications for logic function, supply voltage, input/output levels, and package dimensions. From an engineering standpoint, parts are interchangeable. Procurement and supply chain considerations may influence manufacturer selection, but electrical compatibility is maintained across all recommended substitutes.

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