74ABT541CSCX Equivalent & Substitute Parts

Part Overview

The 74ABT541CSCX is a non-inverting buffer logic IC manufactured by onsemi, designed for 8-bit buffering applications with 3-state output capability. This component operates across a 4.5V to 5.5V supply voltage range and is housed in a 20-SOIC package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

74ABT541CSCX

onsemiIn Stock: 148674ABT541CSCX Datasheet

Current PartRFQ

SN74ABT541BDWR

Texas InstrumentsIn Stock: 3961SN74ABT541BDWR Datasheet

DirectRFQ

SN74ABT541BDW

Texas InstrumentsIn Stock: 3280SN74ABT541BDW Datasheet

SimilarRFQ

SN74ABT541BNSR

Texas InstrumentsIn Stock: 6537SN74ABT541BNSR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74ABT541CSCX are identified based on strict electrical and mechanical parameter matching within the 74ABT541 base product family. The substitution criteria are:

Core Matching Parameters:

• Logic Type: Buffer, Non-Inverting
• Number of Elements: 1
• Number of Bits per Element: 8
• Output Type: 3-State
• Current - Output High, Low: 32mA, 64mA
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C (TA)
• Base Product Number: 74ABT541
• Mounting Type: Surface Mount

Allowed Variations:

• Manufacturer (onsemi to Texas Instruments)
• Packaging format (Cut Tape, Tube, Tape & Reel)
• Package width specification (0.295" / 7.50mm or 0.209" / 5.30mm for 20-SO variant)
• Product Status (Active alternatives preferred over obsolete)
• RoHS Compliance Status

All substitute parts maintain identical electrical performance and functional characteristics while offering improved availability through active product status.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: SN74ABT541BDWR

The SN74ABT541BDWR from Texas Instruments is the direct equivalent to the 74ABT541CSCX. This part maintains identical electrical specifications and package dimensions (20-SOIC, 0.295" width) while offering active product status and ROHS3 compliance. The Cut Tape & Digi-Reel packaging format provides flexibility for both prototype and production volume requirements.

Secondary Substitute: SN74ABT541BDW

The SN74ABT541BDW provides equivalent electrical performance and identical package dimensions. This variant is supplied in Tube packaging, suitable for applications where alternative packaging formats are acceptable. Product status is active with ROHS3 compliance.

Tertiary Substitute: SN74ABT541BNSR

The SN74ABT541BNSR maintains all electrical specifications and operates within identical temperature and voltage ranges. This part features a narrower 20-SO package (0.209" width) compared to the standard 20-SOIC (0.295" width). Tape & Reel packaging is provided. PCB layout verification is required to confirm package width compatibility before implementation.

All three Texas Instruments alternatives are manufactured to the same 74ABT541 base product specification, ensuring functional interchangeability within the defined electrical and thermal operating parameters.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT541BNSR be used as a direct replacement for 74ABT541CSCX?

A: Electrical substitution is valid. However, the SN74ABT541BNSR uses a narrower 20-SO package (0.209" width) compared to the 74ABT541CSCX 20-SOIC package (0.295" width). PCB footprint compatibility must be verified before implementation.

Q: What is the primary reason to substitute the obsolete 74ABT541CSCX?

A: The 74ABT541CSCX is classified as obsolete. Texas Instruments SN74ABT541 variants (BDWR, BDW, BNSR) are active products with established supply chains, ensuring long-term availability and compliance with current regulatory standards including ROHS3.

Q: Are all substitute parts electrically identical to the original?

A: Yes. All listed substitutes maintain identical logic type (Buffer, Non-Inverting), bit configuration (1 element, 8 bits), output type (3-State), current ratings (32mA high, 64mA low), supply voltage range (4.5V ~ 5.5V), and operating temperature range (-40°C ~ 85°C).

Q: What packaging options are available for the 74ABT541 substitute parts?

A: Three packaging formats are available: Cut Tape & Digi-Reel (SN74ABT541BDWR), Tube (SN74ABT541BDW), and Tape & Reel (SN74ABT541BNSR). Selection depends on procurement volume and assembly process requirements.

Q: Do the substitute parts meet current regulatory compliance?

A: All Texas Instruments substitutes are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The original 74ABT541CSCX compliance status was not specified.