74ABT241CSC Equivalent & Substitute Parts

Part Overview

The 74ABT241CSC 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 surface mount package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

74ABT241CSC

onsemiIn Stock: 116374ABT241CSC Datasheet

Current PartRFQ

SN74ABT2241DW

Texas InstrumentsIn Stock: 1845SN74ABT2241DW Datasheet

SimilarRFQ

SN74ABT2241DWR

Texas InstrumentsIn Stock: 2145SN74ABT2241DWR Datasheet

SimilarRFQ

SN74ABT241ADWR

Texas InstrumentsIn Stock: 2238SN74ABT241ADWR Datasheet

SimilarRFQ

SN74ABT241ADW

Texas InstrumentsIn Stock: 2908SN74ABT241ADW Datasheet

Parametric EquivalentRFQ

SN74ABT244ADW

Texas InstrumentsIn Stock: 3237SN74ABT244ADW Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74ABT241CSC is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

• Logic Type: Buffer, Non-Inverting
• Number of Elements: 2
• Number of Bits per Element: 4
• Output Type: 3-State
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 20-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount

Output Current Specifications: Substitute parts are grouped into two categories based on output current ratings:

1. Full Current Match (32mA High, 64mA Low): SN74ABT241ADW, SN74ABT241ADWR, SN74ABT244ADW
2. Reduced Low Current (32mA High, 12mA Low): SN74ABT2241DW, SN74ABT2241DWR

All substitute parts maintain identical logic functionality, pin configuration, and thermal operating range as the original 74ABT241CSC.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Full Current Specification Match):

SN74ABT241ADW, SN74ABT241ADWR, and SN74ABT244ADW are direct parametric equivalents to the 74ABT241CSC, maintaining identical output current specifications of 32mA high and 64mA low. All three are manufactured by Texas Instruments with active product status and ROHS3 compliance. Selection between these three parts depends on packaging requirements: SN74ABT241ADW and SN74ABT244ADW are supplied in Tube packaging, while SN74ABT241ADWR is supplied in Tape & Reel format for automated assembly processes.

Secondary Substitutes (Reduced Low Current Output):

SN74ABT2241DW and SN74ABT2241DWR maintain all critical electrical and mechanical parameters but feature reduced output low current of 12mA compared to the original 64mA specification. These parts are suitable for applications where the lower output current does not exceed circuit requirements. Both are active products from Texas Instruments with ROHS3 compliance. SN74ABT2241DW is supplied in Tube packaging, while SN74ABT2241DWR is supplied in Tape & Reel format.

All substitute parts are manufactured by Texas Instruments, an active supplier with established product support and compliance certifications. The transition from the obsolete onsemi 74ABT241CSC to any of these active alternatives ensures long-term component availability and supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT2241DW be used as a direct replacement for 74ABT241CSC?

A: SN74ABT2241DW is functionally compatible with the 74ABT241CSC in all logic operations, pin configuration, and thermal characteristics. However, the output low current is reduced from 64mA to 12mA. This substitution is valid only if the circuit design does not require the full 64mA output current specification.

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

A: Tube packaging is suitable for manual assembly and small-volume production runs. Tape & Reel packaging is designed for automated pick-and-place assembly equipment and high-volume manufacturing. Both formats contain identical die and electrical specifications; the choice depends on assembly process requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. All Texas Instruments substitute parts listed are ROHS3 compliant. The original onsemi 74ABT241CSC RoHS status was not specified in the available data.

Q: Can I mix substitute parts from different manufacturers in the same design?

A: All substitute parts listed are manufactured by Texas Instruments. While they share identical electrical specifications and package dimensions, design consistency is maintained by sourcing from a single manufacturer.

Q: What is the significance of the base product number difference between 74ABT241 and 74ABT2241?

A: The base product numbers indicate different internal logic configurations. However, both maintain identical external electrical specifications, pin counts, and functional behavior as specified in this reference. The difference is internal architecture only.

Q: Is the 74ABT241CSC still available for purchase?

A: The 74ABT241CSC is classified as obsolete. Active alternatives from Texas Instruments are recommended for new designs and ongoing production support.