CD74HCT365M Equivalent & Substitute Parts

Part Overview

The CD74HCT365M is a non-inverting buffer logic IC manufactured by Texas Instruments, designed for 16-SOIC surface mount applications. This device provides 1 element with 6 bits per element and 3-state output capability, operating across a 4.5V to 5.5V supply voltage range. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Logic Type	Buffer, Non-Inverting
Number of Elements	1
Number of Bits per Element	6
Output Type	3-State
Voltage Supply Range	4.5V ~ 5.5V
Current Output (High/Low)	4mA / 4mA
Operating Temperature Range	-55°C ~ 125°C
Package / Case	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CD74HCT365M is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Logic Type: Buffer, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 6
Output Type: 3-State
Voltage Supply Range: 4.5V ~ 5.5V
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount

Allowable Variations:

Current Output specifications may exceed the original 4mA/4mA rating (higher current capability is acceptable)
Operating Temperature Range may be narrower than the original -55°C ~ 125°C specification (provided the application temperature requirements are met)
Packaging format (Tube, Tape & Reel) does not affect electrical compatibility
Product Status variations (Active, Obsolete, Discontinued) are noted for procurement planning

All identified substitutes maintain the base product number 74HCT365 and comply with ROHS3 and REACH requirements.

Parameter Comparison

Part Number	Manufacturer	Product Status	Current Output (mA)	Operating Temp (°C)	Package Format	Inventory Status
CD74HCT365M	Texas Instruments	Discontinued	4 / 4	-55 ~ 125	Tube	2200 Pcs
CD74HCT365M96	Texas Instruments	Active	4 / 4	-55 ~ 125	Tape & Reel	1215 Pcs
74HCT365D,653	Nexperia USA Inc.	Active	6 / 6	-40 ~ 125	Tape & Reel	4525 Pcs
74HCT365D-Q100,118	Nexperia USA Inc.	Active	6 / 6	-40 ~ 125	Tape & Reel	645 Pcs
MC74HCT365ADG	onsemi	Obsolete	6 / 6	-55 ~ 125	Tube	4247 Pcs
MC74HCT365ADR2G	onsemi	Active	6 / 6	-55 ~ 125	Tape & Reel	3518 Pcs

Engineering Selection Recommendations

Primary Recommendation for New Designs: MC74HCT365ADR2G (onsemi) is the preferred substitute. This part maintains Active product status, supports the full -55°C ~ 125°C operating temperature range of the original CD74HCT365M, and is available in Tape & Reel packaging suitable for automated assembly. The 6mA output current specification exceeds the original 4mA rating, providing enhanced drive capability without compromising compatibility.

Alternative for Extended Temperature Applications: CD74HCT365M96 (Texas Instruments) provides direct electrical equivalence with identical 4mA output current specifications and maintains the full -55°C ~ 125°C temperature range. This option is suitable when exact current matching is required and Texas Instruments sourcing is preferred.

Nexperia Options for High-Volume Production: 74HCT365D,653 offers the highest inventory availability (4525 Pcs) with Active status. The narrower operating temperature range (-40°C ~ 125°C) is acceptable for most commercial and industrial applications. The 6mA output current provides additional design margin.

Automotive-Grade Alternative: 74HCT365D-Q100,118 (Nexperia) includes AEC-Q100 automotive qualification and is suitable for applications requiring automotive-grade components. Temperature range and output current specifications match the standard 74HCT365D,653 variant.

Avoid for New Designs: MC74HCT365ADG (onsemi) carries Obsolete product status and should not be selected for new designs despite current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher output current (6mA vs. 4mA)? A: Yes. Higher output current capability is a beneficial parameter variation. The 6mA-rated substitutes (Nexperia and onsemi variants) provide enhanced drive capability and are fully compatible with designs specified for 4mA output.

Q: What is the difference between Tape & Reel and Tube packaging? A: Packaging format affects procurement and assembly logistics only. Tape & Reel packaging is standard for automated pick-and-place assembly, while Tube packaging is used for manual handling or lower-volume applications. Electrical and mechanical specifications are identical.

Q: Are the Nexperia parts compatible with the original CD74HCT365M? A: Yes, with one consideration. The Nexperia 74HCT365D variants specify a narrower operating temperature range (-40°C ~ 125°C) compared to the original (-55°C ~ 125°C). These parts are compatible for applications operating within the -40°C to 125°C range.

Q: What does AEC-Q100 qualification mean? A: AEC-Q100 is an automotive industry qualification standard. The 74HCT365D-Q100,118 variant meets automotive reliability and testing requirements and is suitable for automotive applications.

Q: Why is the CD74HCT365M discontinued? A: The original part is discontinued at DiGi Electronics. However, functionally equivalent active alternatives from multiple manufacturers (Texas Instruments, Nexperia, onsemi) are available, ensuring design continuity and supply chain flexibility.

Q: Can I mix different substitute parts in the same design? A: Yes. All identified substitutes are electrically and mechanically compatible. However, for production consistency and supply chain management, selecting a single primary source is recommended.

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