74ABT241CSCX Equivalent & Substitute Parts

Part Overview

The 74ABT241CSCX is a non-inverting buffer logic IC manufactured by onsemi, featuring 2 elements with 4 bits per element and 3-state output capability. This device operates across a 4.5V to 5.5V supply 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 design support and component procurement.

Substiute Parts

74ABT241CSCX

onsemiIn Stock: 90574ABT241CSCX Datasheet

Current PartRFQ

SN74ABT2241DW

Texas InstrumentsIn Stock: 1845SN74ABT2241DW Datasheet

SimilarRFQ

SN74ABT2241DWR

Texas InstrumentsIn Stock: 2145SN74ABT2241DWR Datasheet

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SN74ABT241ADW

Texas InstrumentsIn Stock: 2908SN74ABT241ADW Datasheet

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74ABT244D,623

Nexperia USA Inc.In Stock: 1191474ABT244D,623 Datasheet

Parametric EquivalentRFQ

SN74ABT241ADWR

Texas InstrumentsIn Stock: 2238SN74ABT241ADWR Datasheet

Parametric EquivalentRFQ

SN74ABT244ADWR

Texas InstrumentsIn Stock: 2899SN74ABT244ADWR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74ABT241CSCX are grouped based on strict electrical and mechanical parameter alignment:

Primary Substitution Criteria:

• Logic type: Buffer, Non-Inverting
• Number of elements: 2
• Number of bits per element: 4
• Output type: 3-State
• Voltage supply range: 4.5V ~ 5.5V
• Operating temperature range: -40°C ~ 85°C
• Package type: 20-SOIC or equivalent 20-pin surface mount package
• Current output specifications: 32mA high, 64mA low (or compatible)

Grouping Categories:

Direct Functional Equivalents (20-SOIC Package): Parts maintaining identical electrical specifications and 20-SOIC packaging. These include SN74ABT241ADW, SN74ABT241ADWR, SN74ABT2241DW, and SN74ABT2241DWR from Texas Instruments.

Parametric Equivalents (Alternative Package): Parts meeting all electrical specifications but utilizing 20-SO packaging instead of 20-SOIC. This includes 74ABT244D,623 from Nexperia USA Inc.

Cross-Manufacturer Variants: Parts from different manufacturers (Texas Instruments, Nexperia) that maintain the same functional and electrical characteristics within the 74ABT logic family.

Parameter Comparison

Engineering Selection Recommendations

Preferred Substitutes (Direct Equivalents):

SN74ABT241ADW and SN74ABT241ADWR from Texas Instruments are the primary recommended substitutes. Both maintain identical electrical specifications to the 74ABT241CSCX, including 32mA high and 64mA low output current. Both are active products with ROHS3 compliance, ensuring long-term availability and regulatory alignment. The ADWR variant is supplied in Tape & Reel packaging, while the ADW variant is supplied in Tube packaging.

Alternative Substitutes (Modified Output Current):

SN74ABT2241DW and SN74ABT2241DWR from Texas Instruments provide functional equivalence with a modification to low-side output current (12mA instead of 64mA). These parts are suitable for applications where reduced output current is acceptable. Both are active products with ROHS3 compliance.

Cross-Manufacturer Equivalent:

SN74ABT244ADWR from Texas Instruments and 74ABT244D,623 from Nexperia USA Inc. maintain full electrical equivalence with the original part. The Nexperia part utilizes 20-SO packaging rather than 20-SOIC but is mechanically compatible with standard 20-pin surface mount footprints. Both are active products with ROHS3 compliance.

Compliance Considerations:

All recommended substitutes are ROHS3 compliant and carry REACH Unaffected status, matching the regulatory profile of the original part. The transition from an obsolete onsemi part to active Texas Instruments or Nexperia alternatives ensures sustained component availability and manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT2241DW be used as a direct replacement for 74ABT241CSCX?

A: SN74ABT2241DW is functionally equivalent in logic operation and package type but differs in low-side output current specification (12mA versus 64mA). It is suitable for applications where the reduced output current does not impact circuit performance. Verify your circuit's current requirements before selection.

Q: What is the difference between 20-SOIC and 20-SO packaging?

A: Both are 20-pin surface mount packages with identical pin spacing and footprint compatibility. The primary difference is in manufacturing process and lead finish specifications. Parts in either package can be used interchangeably on standard PCB layouts designed for 20-pin DIP or SOIC footprints.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All recommended substitute parts carry ROHS3 Compliant status, ensuring compliance with current environmental and regulatory requirements. The original 74ABT241CSCX does not specify RoHS status due to its obsolete classification.

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

A: Tube packaging is suitable for manual assembly and smaller production volumes. Tape & Reel packaging is optimized for automated pick-and-place assembly and higher production volumes. Both contain identical components; packaging selection depends on assembly methodology and order quantity requirements.

Q: Can 74ABT244D,623 from Nexperia be used instead of Texas Instruments parts?

A: Yes. The 74ABT244D,623 maintains identical electrical specifications and is mechanically compatible with standard 20-pin surface mount footprints. Selection between manufacturers depends on supply chain availability, lead time, and cost considerations.

Q: What inventory levels are available for substitute parts?

A: Current inventory for active substitutes ranges from 1,786 to 11,863 pieces across multiple suppliers and packaging options, providing substantial availability compared to the obsolete original part.