74AC86PC XOR Logic IC Equivalent & Substitute Parts

Part Overview

The 74AC86PC is a 4-channel, 2-input XOR (Exclusive OR) logic integrated circuit manufactured by onsemi in a 14-MDIP package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74AC86 series provides standard XOR gate functionality suitable for digital logic applications requiring exclusive OR operations across multiple channels.

Key Parameters

Parameter	Value
Logic Type	XOR (Exclusive OR)
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High/Low	24mA / 24mA
Max Propagation Delay @ 5V, 50pF	8.5ns
Operating Temperature Range	-40°C ~ 85°C
Package Type	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitute parts for the 74AC86PC are identified based on the following critical parameters that determine functional and mechanical compatibility:

Core Functional Parameters:

Logic Type: XOR (Exclusive OR)
Number of Circuits: 4 channels
Number of Inputs: 2 inputs per channel
Package/Case: 14-DIP (0.300", 7.62mm)
Mounting Type: Through Hole

Electrical Compatibility Parameters:

Voltage Supply Range overlap
Output drive capability (24mA minimum)
Propagation delay performance
Operating temperature range coverage

The substitute parts identified maintain the same base product number (74AC86) and are available from active manufacturers, ensuring long-term availability and supply chain continuity.

Parameter Comparison

Parameter	74AC86PC (onsemi)	CD74AC86E (TI)	SN74AC86N (TI)
Manufacturer	onsemi	Texas Instruments	Texas Instruments
Product Status	Obsolete	Active	Active
Logic Type	XOR (Exclusive OR)	XOR (Exclusive OR)	XOR (Exclusive OR)
Number of Circuits	4	4	4
Number of Inputs	2	2	2
Voltage Supply Range	2V ~ 6V	1.5V ~ 5.5V	2V ~ 6V
Current - Quiescent (Max)	2 µA	4 µA	2 µA
Current - Output High/Low	24mA / 24mA	24mA / 24mA	24mA / 24mA
Input Logic Level - Low	0.9V ~ 1.65V	0.3V ~ 1.65V	0.9V ~ 1.65V
Input Logic Level - High	2.1V ~ 3.85V	1.2V ~ 3.85V	2.1V ~ 3.85V
Max Propagation Delay @ 5V, 50pF	8.5ns	10.8ns	8.5ns
Operating Temperature Range	-40°C ~ 85°C	-55°C ~ 125°C	-40°C ~ 85°C
Package / Case	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

SN74AC86N (Texas Instruments) - Parametric Equivalent

The SN74AC86N is the primary substitute for the 74AC86PC. This part maintains identical electrical specifications including voltage supply range (2V ~ 6V), quiescent current (2 µA maximum), and propagation delay (8.5ns @ 5V, 50pF). The SN74AC86N is manufactured by Texas Instruments with active product status, ensuring reliable supply chain availability. The part carries ROHS3 compliance and REACH unaffected status, meeting modern regulatory requirements. Pin-for-pin compatibility and identical package configuration (14-DIP) enable direct substitution in existing designs.

CD74AC86E (Texas Instruments) - Functional Equivalent

The CD74AC86E serves as a functional equivalent with extended operating temperature range (-55°C ~ 125°C) compared to the original part (-40°C ~ 85°C). This part exhibits slightly higher quiescent current (4 µA maximum) and longer propagation delay (10.8ns @ 5V, 50pF). The CD74AC86E features a wider voltage supply range (1.5V ~ 5.5V) and broader input logic level specifications. This part is suitable for applications requiring extended temperature performance or lower supply voltage operation. ROHS3 compliance and active product status support long-term availability.

Frequently Asked Questions (FAQ)

Q: Can the CD74AC86E replace the 74AC86PC in all applications?

A: The CD74AC86E is functionally compatible but exhibits different electrical characteristics. The propagation delay is 10.8ns versus 8.5ns for the original part. Applications with strict timing requirements may require design verification. The extended temperature range (-55°C ~ 125°C) provides additional operational flexibility beyond the original specification (-40°C ~ 85°C).

Q: What is the difference between the SN74AC86N and CD74AC86E?

A: Both are Texas Instruments products with active status. The SN74AC86N matches the original 74AC86PC electrical specifications exactly (2 µA quiescent current, 8.5ns propagation delay, -40°C ~ 85°C operating range). The CD74AC86E offers extended temperature range (-55°C ~ 125°C) but with higher quiescent current (4 µA) and longer propagation delay (10.8ns).

Q: Are all substitute parts pin-compatible with the 74AC86PC?

A: Yes. All substitute parts use the 14-DIP package (0.300", 7.62mm) with through-hole mounting, providing identical pinout and mechanical compatibility for direct board-level substitution.

Q: Do the substitute parts meet current regulatory requirements?

A: Both Texas Instruments substitutes (SN74AC86N and CD74AC86E) carry ROHS3 compliance and REACH unaffected status, meeting current regulatory standards. The original 74AC86PC does not specify RoHS status.

Q: Which substitute should be selected for new designs?

A: The SN74AC86N is recommended for new designs requiring parametric equivalence to the original 74AC86PC. The CD74AC86E is suitable when extended temperature range operation is required.

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