SN74HCT541APWR-P Equivalent & Substitute Parts

Part Overview

The SN74HCT541APWR-P is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments, designed for 8-bit buffering applications with 3-state output capability. This component operates within the 74HCT logic family and is housed in a 20-TSSOP surface mount package.

The SN74HCT541APWR-P is classified as obsolete, necessitating identification of equivalent substitute components for ongoing design requirements and production continuity. Substitute parts must maintain identical electrical performance and mechanical compatibility to ensure direct replacement capability in existing circuit designs.

Substiute Parts

SN74HCT541APWR-P

Texas InstrumentsIn Stock: 793SN74HCT541APWR-P Datasheet

Current PartRFQ

SN74HCT541PW

Texas InstrumentsIn Stock: 3296SN74HCT541PW Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74HCT541APWR-P are qualified based on strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Logic Type: Buffer, Non-Inverting
• Number of Elements: 1
• Number of Bits per Element: 8
• Output Type: 3-State
• Current - Output High, Low: 6mA, 6mA
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C (TA)

Mechanical Equivalence Criteria:

• Package / Case: 20-TSSOP (0.173", 4.40mm Width)
• Mounting Type: Surface Mount

Compliance Criteria:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The SN74HCT541PW qualifies as a parametric equivalent substitute, maintaining identical electrical specifications and mechanical compatibility while differing only in packaging format (Tube versus the original specification).

Parameter Comparison

Engineering Selection Recommendations

The SN74HCT541PW serves as the primary parametric equivalent for the obsolete SN74HCT541APWR-P. Both components maintain identical electrical and mechanical specifications, ensuring functional interchangeability in circuit applications.

Compliance Considerations: Both the main part and substitute meet ROHS3 compliance requirements and carry MSL rating of 1 (Unlimited), indicating no moisture sensitivity constraints during storage and handling.

Product Status Impact: The SN74HCT541APWR-P is classified as obsolete, while the SN74HCT541PW is discontinued at DiGi Electronics. Component availability should be verified through authorized distributors prior to design finalization or production procurement.

Packaging Format: The SN74HCT541PW is supplied in Tube packaging, whereas the original part number does not specify packaging format. Verify packaging requirements for automated assembly processes and inventory management systems.

Frequently Asked Questions (FAQ)

Q: Can the SN74HCT541PW directly replace the SN74HCT541APWR-P in existing designs?

A: Yes. The SN74HCT541PW is a parametric equivalent with identical electrical specifications (logic type, bit configuration, output type, current ratings, voltage supply range, and operating temperature) and mechanical compatibility (20-TSSOP package, surface mount). Direct substitution is supported without circuit modification.

Q: What are the key parameters that determine substitution eligibility?

A: Substitution eligibility is determined by equivalence across: logic type (Buffer, Non-Inverting), number of elements (1), bits per element (8), output type (3-State), output current (6mA high/low), supply voltage (4.5V ~ 5.5V), operating temperature range (-40°C ~ 85°C), package type (20-TSSOP), and mounting method (Surface Mount).

Q: Are there compliance differences between the main part and substitute?

A: No. Both components are ROHS3 compliant and carry MSL rating 1 (Unlimited), indicating equivalent environmental and regulatory compliance.

Q: What is the significance of the packaging format difference?

A: The SN74HCT541PW is supplied in Tube packaging. Verify compatibility with receiving, storage, and assembly processes. Tube packaging may require different handling procedures compared to other packaging formats.

Q: Why is the SN74HCT541APWR-P classified as obsolete?

A: Obsolescence indicates the component is no longer manufactured or supported by Texas Instruments. The SN74HCT541PW provides continued access to equivalent functionality for design continuity and production requirements.