CD74AC541M96 Equivalent & Substitute Parts

Part Overview

The CD74AC541M96 is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments, designed for 3-state output applications in the 74AC series. This device operates across a supply voltage range of 1.5V to 5.5V and is housed in a 20-SOIC surface mount package. The part is currently in active production status with 8150 units available in new original stock. Equivalent and substitute parts are identified when they maintain functional compatibility through matching logic type, output configuration, package form factor, and electrical performance characteristics within specified operating parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD74AC541M96
Manufacturer	Texas Instruments
Series	74AC
Logic Type	Buffer, Non-Inverting
Number of Elements	1
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	1.5V ~ 5.5V
Operating Temperature	-55°C ~ 125°C (TA)
Package / Case	20-SOIC (0.295", 7.50mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the CD74AC541M96 are qualified based on the following criteria:

Logic Function: All substitutes maintain identical non-inverting buffer logic with 1 element and 8 bits per element
Output Configuration: All substitutes provide 3-state output capability with matching 24mA output current specifications
Package Compatibility: All substitutes use the 20-SOIC surface mount package with identical 0.295" (7.50mm) width
Electrical Performance: All substitutes deliver 24mA output current at both high and low states
Supply Voltage Range: Substitutes operate within overlapping voltage ranges; the CD74AC541M96 range (1.5V ~ 5.5V) is fully contained within or compatible with substitute ranges
Series Designation: All parts belong to the 74AC logic series
Compliance: All substitutes maintain ROHS3 compliance and EAR99 export classification

The identified substitutes are manufactured by onsemi and include four part numbers: 74AC541SC, 74AC541SCX, MC74AC541DWG, and MC74AC541DWR2G. These parts differ primarily in packaging format (Tube, Cut Tape & Digi-Reel, or Tape & Reel) and operating temperature range, with onsemi substitutes rated to -40°C ~ 85°C compared to the Texas Instruments part's -55°C ~ 125°C range.

Parameter Comparison

Parameter	CD74AC541M96 (TI)	74AC541SC (onsemi)	74AC541SCX (onsemi)	MC74AC541DWG (onsemi)	MC74AC541DWR2G (onsemi)
Series	74AC	74AC	74AC	74AC	74AC
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	1	1	1	1	1
Number of Bits per Element	8	8	8	8	8
Output Type	3-State	3-State	3-State	3-State	3-State
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Voltage - Supply	1.5V ~ 5.5V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V
Operating Temperature	-55°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	20-SOIC (0.295", 7.50mm)	20-SOIC (0.295", 7.50mm)	20-SOIC (0.295", 7.50mm)	20-SOIC (0.295", 7.50mm)	20-SOIC (0.295", 7.50mm)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All identified substitute parts maintain functional equivalence to the CD74AC541M96 through matching logic architecture, output drive capability, and package form factor. Selection among substitutes should be based on the following factors:

Packaging Format: The 74AC541SCX and MC74AC541DWR2G offer higher inventory availability (20,200 and 10,100 units respectively) compared to 74AC541SC (2,509 units) and MC74AC541DWG (942 units). The 74AC541SCX is supplied in Cut Tape & Digi-Reel format, while MC74AC541DWR2G is supplied in Tape & Reel format, both suitable for automated assembly. The 74AC541SC is supplied in Tube format.

Operating Temperature Range: The CD74AC541M96 operates across -55°C to 125°C, while all onsemi substitutes operate across -40°C to 85°C. Applications requiring the full extended temperature range of the Texas Instruments part necessitate the original CD74AC541M96.

Supply Voltage Range: The CD74AC541M96 operates from 1.5V to 5.5V, while onsemi substitutes operate from 2V to 6V. Applications operating below 2V supply voltage require the CD74AC541M96.

Moisture Sensitivity: The CD74AC541M96 carries MSL rating 1 (unlimited moisture sensitivity), while all onsemi substitutes carry MSL rating 3 (168 hours). High-humidity storage or extended shelf life applications may benefit from the lower MSL rating of the original part.

Compliance and Certification: All parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification, ensuring regulatory compatibility across all options.

Frequently Asked Questions (FAQ)

Q: Can the onsemi 74AC541SC, 74AC541SCX, MC74AC541DWG, or MC74AC541DWR2G be used as direct replacements for the CD74AC541M96?

A: Yes, these parts are functionally equivalent substitutes. All maintain identical logic type (non-inverting buffer), output configuration (3-state), output current (24mA), and package form factor (20-SOIC). Substitution is valid when the application operating temperature range does not exceed -40°C to 85°C and supply voltage remains within 2V to 6V.

Q: What is the primary difference between the onsemi substitute parts?

A: The four onsemi substitutes are electrically identical but differ in packaging format and inventory availability. The 74AC541SC is supplied in Tube format (2,509 units), 74AC541SCX in Cut Tape & Digi-Reel format (20,200 units), MC74AC541DWG in Tube format (942 units), and MC74AC541DWR2G in Tape & Reel format (10,100 units). Selection depends on assembly process requirements and volume needs.

Q: Why does the CD74AC541M96 have a wider operating temperature range than the onsemi substitutes?

A: The CD74AC541M96 is rated for -55°C to 125°C operation, while onsemi substitutes are rated for -40°C to 85°C. This difference reflects manufacturer qualification and testing protocols. Applications requiring extended temperature operation must use the CD74AC541M96.

Q: Are there supply voltage compatibility concerns when substituting?

A: The CD74AC541M96 operates from 1.5V to 5.5V, while onsemi substitutes operate from 2V to 6V. The onsemi parts cannot be used in applications operating below 2V supply voltage. For applications within the 2V to 5.5V range, both the original and substitute parts are compatible.

Q: What does the MSL rating difference mean for component handling?

A: The CD74AC541M96 carries MSL 1 (unlimited moisture sensitivity), meaning it has no time restriction for storage in standard conditions. The onsemi substitutes carry MSL 3 (168 hours), indicating they must be used within 168 hours of exposure to moisture-sensitive conditions if not properly stored in dry packaging. This affects long-term inventory management and shelf life considerations.

Q: Are all parts ROHS3 compliant?

A: Yes, the CD74AC541M96 and all identified onsemi substitutes are ROHS3 compliant, ensuring compatibility with environmental and regulatory requirements across all options.

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