CD74HC4075M OR Gate IC Equivalent & Substitute Parts

Part Overview

The CD74HC4075M is a 3-channel OR gate logic integrated circuit manufactured by Texas Instruments in a 14-SOIC surface mount package. This part is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement. The 74HC4075 logic family provides standard OR gate functionality across the CMOS 74HC series, with multiple manufacturers offering compatible alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	3
Number of Inputs	3
Voltage Supply Range	2V to 6V
Operating Temperature Range	-55°C to 125°C
Package Type	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the CD74HC4075M are qualified based on the following criteria:

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

Mechanical Compatibility: All substitutes use the 14-SOIC package footprint with 0.154" width and 3.90mm body width, ensuring PCB layout compatibility.

Compliance & Certification: All substitutes maintain ROHS3 compliance, MSL Level 1 rating, and REACH unaffected status, meeting the same regulatory requirements as the original part.

Packaging Variations: Substitutes differ in packaging format (Cut Tape & Digi-Reel, Bulk, or Tape & Reel) and product status (Active vs. Discontinued), allowing selection based on procurement and inventory requirements.

Parameter Comparison

Parameter	CD74HC4075M (TI)	CD74HC4075M96 (TI)	74HC4075D,652 (NXP)	74HC4075D,653 (Nexperia)
Manufacturer	Texas Instruments	Texas Instruments	NXP Semiconductors	Nexperia USA Inc.
Logic Type	OR Gate	OR Gate	OR Gate	OR Gate
Number of Circuits	3	3	3	3
Number of Inputs	3	3	3	3
Voltage Supply	2V–6V	2V–6V	2V–6V	2V–6V
Quiescent Current (Max)	2 µA	2 µA	Not specified	2 µA
Output Current High/Low	5.2mA / 5.2mA	5.2mA / 5.2mA	Not specified	5.2mA / 5.2mA
Propagation Delay	17ns @ 6V, 50pF	17ns @ 6V, 50pF	Not specified	17ns @ 6V, 50pF
Operating Temperature	-55°C to 125°C	-55°C to 125°C	Not specified	-40°C to 125°C
Package	14-SOIC	14-SOIC	14-SOIC	14-SO
Packaging Format	Tube	Cut Tape & Digi-Reel	Bulk	Tape & Reel
Product Status	Discontinued	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitute: CD74HC4075M96 (Texas Instruments) is the direct equivalent, manufactured by the same supplier with identical electrical specifications and operating temperature range (-55°C to 125°C). This part is currently active and available in Cut Tape & Digi-Reel packaging, making it suitable for both production and development environments.

Alternative Substitutes: 74HC4075D,652 (NXP Semiconductors) and 74HC4075D,653 (Nexperia USA Inc.) are functionally equivalent alternatives from established logic IC manufacturers. Both parts are active and maintain the same 14-SOIC package footprint and ROHS3/MSL compliance. The Nexperia part (74HC4075D,653) specifies a narrower operating temperature range (-40°C to 125°C) compared to the original part's -55°C to 125°C range; this should be evaluated against application requirements for low-temperature operation.

Packaging Considerations: Select based on procurement workflow: Cut Tape & Digi-Reel for automated assembly, Bulk for high-volume production, or Tape & Reel for standard manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can CD74HC4075M96 be used as a direct replacement for CD74HC4075M?

A: Yes. CD74HC4075M96 is manufactured by Texas Instruments with identical electrical specifications, logic function, package footprint, and compliance certifications. The difference is packaging format (Cut Tape & Digi-Reel vs. Tube) and product status (Active vs. Discontinued).

Q: Are NXP and Nexperia parts pin-compatible with the Texas Instruments original?

A: Yes. All substitute parts use the 14-SOIC package with identical pinout and electrical characteristics for the OR gate logic function. PCB layout compatibility is maintained across all substitutes.

Q: What is the difference between 14-SOIC and 14-SO packages?

A: Both designations refer to the same 14-pin small-outline IC package with 0.154" width and 3.90mm body width. The package footprint and pin spacing are identical, ensuring interchangeability on PCBs designed for either designation.

Q: Does the Nexperia part (74HC4075D,653) have a different operating temperature range?

A: Yes. The Nexperia part specifies -40°C to 125°C, while the original CD74HC4075M and Texas Instruments CD74HC4075M96 specify -55°C to 125°C. Applications requiring operation below -40°C should use the Texas Instruments alternatives.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitutes maintain ROHS3 compliance and MSL Level 1 rating, meeting the same regulatory and environmental standards as the original part.

Q: Which substitute should I select for high-volume production?

A: 74HC4075D,652 (NXP Semiconductors) in Bulk packaging is optimized for high-volume manufacturing. For standard production workflows, 74HC4075D,653 (Nexperia) in Tape & Reel format is also suitable. CD74HC4075M96 in Cut Tape & Digi-Reel is appropriate for mixed-volume or automated assembly environments.

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