74ABT541CPC Equivalent & Substitute Parts

Part Overview

The 74ABT541CPC is a non-inverting buffer logic integrated circuit manufactured by onsemi, designed for 8-bit buffering applications with 3-state output capability. This device operates across a 4.5V to 5.5V supply voltage range and is housed in a 20-pin DIP package suitable for through-hole mounting.

The 74ABT541CPC carries an obsolete product status. Locating equivalent substitute parts is necessary to maintain design continuity, ensure component availability for production, and support long-term system maintenance where this device is currently deployed.

Substiute Parts

74ABT541CPC

onsemiIn Stock: 101974ABT541CPC Datasheet

Current PartRFQ

SN74ABT541BN

Texas InstrumentsIn Stock: 2041SN74ABT541BN Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74ABT541CPC is determined by strict equivalence across the following critical parameters:

• Logic Function: Non-inverting buffer with identical 1 element, 8-bit configuration
• Output Characteristics: 3-state output with matching current ratings (32mA high, 64mA low)
• Electrical Specifications: Identical supply voltage range (4.5V ~ 5.5V) and operating temperature range (-40°C ~ 85°C)
• Physical Form Factor: 20-pin DIP package with 0.300" (7.62mm) pitch for through-hole mounting
• Series Compatibility: 74ABT logic family designation

The SN74ABT541BN from Texas Instruments satisfies all substitution criteria, maintaining functional and electrical equivalence while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The SN74ABT541BN is a direct functional equivalent to the 74ABT541CPC. Both devices share identical logic specifications, electrical performance parameters, and physical packaging. The primary distinction is product lifecycle status: the 74ABT541CPC is obsolete, while the SN74ABT541BN maintains active production status.

For new designs or component replenishment, the SN74ABT541BN is the appropriate selection. This device carries ROHS3 compliance certification, supporting modern manufacturing and environmental regulatory requirements. Both parts maintain REACH Unaffected status, confirming compliance with chemical substance restrictions.

The Texas Instruments SN74ABT541BN offers superior inventory availability (2000 pcs in stock versus 941 pcs for the onsemi part) and active manufacturer support, reducing supply chain risk for ongoing production requirements.

Frequently Asked Questions (FAQ)

Q: Can the SN74ABT541BN directly replace the 74ABT541CPC in existing circuit designs?

A: Yes. The SN74ABT541BN is electrically and functionally equivalent. Both devices operate identically across all specified parameters: logic function, output characteristics, supply voltage, temperature range, and package form factor. No circuit modifications are required for substitution.

Q: Are there differences in pin configuration between these parts?

A: No. Both the 74ABT541CPC and SN74ABT541BN use the 20-pin DIP package with identical 0.300" (7.62mm) pitch. Pin assignments and functionality are identical, enabling direct socket replacement.

Q: What is the significance of the product status difference?

A: The 74ABT541CPC is classified as obsolete, indicating onsemi has discontinued production and support. The SN74ABT541BN maintains active status, meaning Texas Instruments continues manufacturing and providing technical support. For production applications, active-status components ensure long-term supply chain stability and manufacturer backing.

Q: Do compliance certifications differ between these parts?

A: Both parts maintain REACH Unaffected status. The SN74ABT541BN carries ROHS3 compliance certification, while the 74ABT541CPC does not specify RoHS status. For applications requiring RoHS compliance, the SN74ABT541BN is the appropriate selection.

Q: Are there output current or voltage specification differences?

A: No. Both devices deliver identical output current ratings (32mA high, 64mA low) and operate across the same supply voltage range (4.5V ~ 5.5V). Electrical performance is equivalent across all specified parameters.