74ACT16541DLG4 Equivalent & Substitute Parts

Part Overview

The 74ACT16541DLG4 is a Buffer, Non-Inverting logic IC with 2 elements, 8 bits per element, and 3-state output capability. This device is packaged in a 48-SSOP surface mount package and operates across a 4.5V to 5.5V supply voltage range. The main part is classified as Last Time Buy, indicating limited future availability. Identifying equivalent and substitute parts ensures design continuity and supply chain reliability for applications requiring this buffer functionality.

Substiute Parts

74ACT16541DLG4

Texas InstrumentsIn Stock: 81974ACT16541DLG4 Datasheet

Current PartRFQ

74ACT16541DLR

Texas InstrumentsIn Stock: 396674ACT16541DLR Datasheet

MFR RecommendedRFQ

74ACT16541DL

Texas InstrumentsIn Stock: 121074ACT16541DL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 74ACT16541DLG4 is determined by strict equivalence across the following critical parameters:

• Base product number (74ACT16541)
• Logic type and functional configuration (Buffer, Non-Inverting, 2 elements, 8 bits per element)
• Output type (3-State)
• Output current specifications (24mA, 24mA)
• Supply voltage range (4.5V ~ 5.5V)
• Operating temperature range (-40°C ~ 85°C)
• Package type (48-BSSOP)
• Compliance certifications (ROHS3, REACH Unaffected)

The substitute parts identified differ only in packaging format (Tube versus Tape & Reel) and product status. All electrical and mechanical specifications remain identical, ensuring direct functional interchangeability.

Parameter Comparison

Engineering Selection Recommendations

The 74ACT16541DLR is the manufacturer-recommended primary substitute. This part maintains Active product status, ensuring long-term availability and supply chain stability. It is supplied in Tape & Reel format, which is standard for automated assembly processes and high-volume production environments.

The 74ACT16541DL is an alternative substitute with identical electrical specifications. However, it carries Last Time Buy status, similar to the main part, indicating limited future procurement windows. This part is supplied in Tube packaging, suitable for lower-volume applications or manual assembly workflows.

Both substitutes are fully compliant with ROHS3 and REACH requirements, matching the environmental and regulatory standards of the main part. Selection between substitutes should be based on packaging requirements and supply chain continuity objectives.

Frequently Asked Questions (FAQ)

Q: Are the 74ACT16541DLR and 74ACT16541DL electrically identical to the 74ACT16541DLG4?

A: Yes. All three parts share identical electrical specifications, including logic type, output current, supply voltage range, and operating temperature. They are functionally interchangeable in circuit design.

Q: What is the difference between Tube and Tape & Reel packaging?

A: Tube packaging contains loose components suitable for manual handling and lower-volume assembly. Tape & Reel packaging presents components on a continuous carrier tape, optimized for automated pick-and-place assembly equipment and high-volume production.

Q: Why is the 74ACT16541DLR recommended over the 74ACT16541DL?

A: The 74ACT16541DLR carries Active product status, indicating ongoing manufacturer support and availability. The 74ACT16541DL is Last Time Buy, meaning production will cease and future procurement may be restricted.

Q: Can I use these substitutes interchangeably in my PCB design?

A: Yes, provided your assembly process accommodates the packaging format. The 48-BSSOP package dimensions are identical across all three parts. Verify that your pick-and-place equipment or manual assembly workflow is compatible with your selected packaging type.

Q: Are there any compliance or certification differences between these parts?

A: No. All three parts are ROHS3 Compliant, REACH Unaffected, and carry identical MSL ratings. Regulatory and environmental compliance is equivalent across all substitutes.