74HC541D,652 Equivalent & Substitute Parts

Part Overview

The 74HC541D,652 is a non-inverting buffer logic IC manufactured by Nexperia USA Inc., designed for 3-state output applications in 20-SO surface mount packaging. This part operates across a 2V to 6V supply voltage range with 7.8mA output current capability per state. The device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74HC541D,652
Manufacturer	Nexperia USA Inc.
Logic Type	Buffer, Non-Inverting
Number of Elements	1
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	7.8mA, 7.8mA
Voltage - Supply	2V ~ 6V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the 74HC541D,652 is determined by the following critical parameters:

Logic Type: Buffer, Non-Inverting
Number of Elements: 1
Number of Bits per Element: 8
Output Type: 3-State
Current - Output High, Low: 7.8mA, 7.8mA
Voltage - Supply: 2V ~ 6V
Mounting Type: Surface Mount
Package / Case: 20-SOIC (0.295", 7.50mm Width)
RoHS Status: ROHS3 Compliant

Substitute parts are grouped into two categories:

Upgrade Substitutes maintain identical electrical and mechanical specifications with active product status and extended operating temperature ranges.

Similar Substitutes maintain core functional and electrical parameters but may differ in operating temperature range, moisture sensitivity level, or packaging format while preserving mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Output Type	Current (mA)	Voltage Supply	Operating Temp (°C)	Package	Product Status	MSL
74HC541D,652	Nexperia USA Inc.	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-40 ~ 125	20-SOIC (0.295")	Obsolete	1
CD74HC541M96	Texas Instruments	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-55 ~ 125	20-SOIC (0.295")	Active	1
MC74HC541ADWG	onsemi	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-55 ~ 125	20-SOIC (0.295")	Active	3
MC74HC541ADWR2G	onsemi	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-55 ~ 125	20-SOIC (0.295")	Active	3
MM74HC541WM	onsemi	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-40 ~ 85	20-SOIC (0.295")	Active	3
MM74HC541WMX	Fairchild Semiconductor	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-40 ~ 85	20-SOIC (0.295")	Active	Not specified
SN74HC541ANSR	Texas Instruments	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-40 ~ 85	20-SOIC (0.209")	Active	1
SN74HC541DWR	Texas Instruments	Buffer, Non-Inverting	3-State	7.8 / 7.8	2V ~ 6V	-40 ~ 85	20-SOIC (0.295")	Active	1

Engineering Selection Recommendations

Primary Upgrade Substitute: CD74HC541M96 (Texas Instruments) is the recommended upgrade path. This part maintains identical electrical specifications and package dimensions while offering active product status, extended lower operating temperature limit (-55°C vs. -40°C), and unlimited moisture sensitivity level. Tape & Reel packaging supports automated assembly processes.

Alternative Active Substitutes: MC74HC541ADWR2G (onsemi) provides the highest inventory availability (8527 pcs) with active status and extended temperature range (-55°C to 125°C). SN74HC541DWR (Texas Instruments) offers the largest stock position (220147 pcs) with active status and standard operating temperature range (-40°C to 85°C).

Temperature-Constrained Applications: MM74HC541WM and MM74HC541WMX are suitable only for applications with operating temperature limits of -40°C to 85°C. These parts maintain core functional specifications but operate within a narrower temperature window than the original device.

Compliance Verification: All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74HC541D,652 with CD74HC541M96?

A: Yes. Both parts share identical logic type, element count, bit configuration, output type, current ratings, supply voltage range, and package dimensions (20-SOIC 0.295"). The CD74HC541M96 offers extended operating temperature range and active product status.

Q: What is the difference between the 20-SOIC (0.295") and 20-SOIC (0.209") packages?

A: These refer to different package body widths. The 0.295" width is the standard SOIC package used in the original 74HC541D,652. The SN74HC541ANSR uses a narrower 0.209" body. Verify PCB footprint compatibility before substitution.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts maintain ROHS3 compliance. The original 74HC541D,652 is also ROHS3 compliant, ensuring regulatory continuity across substitutions.

Q: Which substitute has the best inventory availability?

A: SN74HC541DWR (Texas Instruments) has the highest inventory at 220147 pcs. This part is suitable for applications operating within -40°C to 85°C temperature range with standard 20-SOIC (0.295") package compatibility.

Q: Can I use MM74HC541WM or MM74HC541WMX if my application requires -55°C operation?

A: No. MM74HC541WM and MM74HC541WMX are rated only to -40°C minimum. For applications requiring -55°C operation, use CD74HC541M96 or MC74HC541ADWR2G.

Q: What does MSL (Moisture Sensitivity Level) mean for my procurement?

A: MSL indicates moisture exposure limits during storage and handling. MSL 1 (unlimited) parts like the original and CD74HC541M96 have no moisture exposure restrictions. MSL 3 (168 hours) parts like MC74HC541ADWG and MC74HC541ADWR2G require controlled storage conditions and must be used within 168 hours of package opening.

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