74HC4075D,652 Equivalent & Substitute Parts

Part Overview

The 74HC4075D,652 is a 3-channel OR gate logic IC manufactured by Nexperia USA Inc. in a 14-SO surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74HC4075 series provides standard OR gate functionality suitable for digital logic applications requiring 2V to 6V supply operation.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	3
Number of Inputs	3
Voltage - Supply	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	5.2mA, 5.2mA
Input Logic Level - Low	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V
Max Propagation Delay @ 6V, 50pF	17ns
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 74HC4075D,652 are qualified based on the following criteria:

Electrical Compatibility: All substitute parts maintain identical logic function (3-channel OR gate), circuit count, input configuration, supply voltage range (2V ~ 6V), quiescent current (2 µA max), output current (5.2mA), input logic levels, and propagation delay (17ns @ 6V, 50pF).

Mechanical Compatibility: Substitute parts are available in 14-SOIC or 14-SO surface mount packages with equivalent physical dimensions (0.154" to 0.209" width), ensuring PCB footprint compatibility.

Thermal Range: Substitute parts operate across -55°C to 125°C or -40°C to 125°C, meeting or exceeding the original part's temperature specification.

Packaging Format: Substitutes are available in Tube, Cut Tape (CT) & Digi-Reel®, or Tape & Reel (TR) formats to accommodate different procurement and assembly workflows.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Operating Temperature	Package / Case	Packaging Format	RoHS Status	Voltage - Supply	Current - Quiescent (Max)	Max Propagation Delay
74HC4075D,652	Nexperia USA Inc.	Obsolete	-40°C ~ 125°C	14-SOIC (0.154", 3.90mm)	Tube	ROHS3 Compliant	2V ~ 6V	2 µA	17ns @ 6V, 50pF
CD74HC4075M	Harris Corporation	Obsolete	-55°C ~ 125°C	14-SOIC (0.154", 3.90mm)	Tube	RoHS non-compliant	2V ~ 6V	2 µA	17ns @ 6V, 50pF
CD74HC4075M96	Texas Instruments	Active	-55°C ~ 125°C	14-SOIC (0.154", 3.90mm)	Cut Tape (CT) & Digi-Reel®	ROHS3 Compliant	2V ~ 6V	2 µA	17ns @ 6V, 50pF
CD74HC4075MT	Texas Instruments	Discontinued at DiGi Electronics	-55°C ~ 125°C	14-SOIC (0.154", 3.90mm)	Tape & Reel (TR)	ROHS3 Compliant	2V ~ 6V	2 µA	17ns @ 6V, 50pF
CD74HC4075NSR	Texas Instruments	Active	-55°C ~ 125°C	14-SOIC (0.209", 5.30mm)	Tape & Reel (TR)	ROHS3 Compliant	2V ~ 6V	2 µA	17ns @ 6V, 50pF

Engineering Selection Recommendations

Primary Substitute: CD74HC4075M96 (Texas Instruments) is the preferred substitute. This part is currently active in production, ROHS3 compliant, and available in Cut Tape & Digi-Reel® packaging. It maintains full electrical and mechanical compatibility with the original 74HC4075D,652 while offering extended operating temperature range (-55°C ~ 125°C).

Alternative Substitute: CD74HC4075MT (Texas Instruments) provides equivalent functionality and compliance but is discontinued at DiGi Electronics. This part is suitable for applications where Tape & Reel packaging is required and existing inventory is available.

Package Consideration: CD74HC4075NSR (Texas Instruments) is an active substitute with identical electrical specifications but features a wider 14-SOIC package (0.209" width versus 0.154"). This part is suitable only if PCB footprint accommodates the larger package dimensions.

Compliance Note: CD74HC4075M (Harris Corporation) is RoHS non-compliant and obsolete. This part should be avoided for new designs requiring RoHS certification.

Frequently Asked Questions (FAQ)

Q: Can CD74HC4075M96 directly replace 74HC4075D,652 on existing PCBs?

A: Yes. Both parts use identical 14-SOIC packages with 0.154" width and 3.90mm body dimensions. Electrical parameters, pin configuration, and functional behavior are equivalent. PCB footprints are interchangeable.

Q: What is the difference between CD74HC4075M96 and CD74HC4075MT?

A: Both parts are manufactured by Texas Instruments with identical electrical specifications. The primary difference is packaging format: CD74HC4075M96 is supplied in Cut Tape & Digi-Reel® format, while CD74HC4075MT is supplied in Tape & Reel format. Selection depends on procurement and assembly requirements.

Q: Why is CD74HC4075NSR listed as a substitute if the package is wider?

A: CD74HC4075NSR maintains all electrical and functional equivalence to the original part. However, the 14-SOIC package is 0.209" wide compared to 0.154" for other substitutes. This part is suitable only if the PCB layout accommodates the larger package footprint.

Q: Is the extended temperature range of substitute parts (-55°C ~ 125°C) a concern?

A: No. The extended temperature range of substitute parts exceeds the original part's specification (-40°C ~ 125°C). This provides additional operational margin and is not a compatibility issue.

Q: Are all substitute parts ROHS3 compliant?

A: CD74HC4075M96, CD74HC4075MT, and CD74HC4075NSR are ROHS3 compliant. CD74HC4075M is RoHS non-compliant and should not be used in applications requiring RoHS certification.

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