74ABT241D,623 Equivalent & Substitute Parts

Part Overview

The 74ABT241D,623 is a non-inverting buffer logic IC manufactured by NXP USA Inc., featuring 2 elements with 4 bits per element and 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 classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74ABT241D,623
Manufacturer	NXP USA Inc.
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	32mA, 64mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	20-SOIC (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 74ABT241D,623 is determined by the following critical parameters:

Logic type: Buffer, Non-Inverting
Number of elements: 2
Number of bits per element: 4
Output type: 3-State
Supply voltage range: 4.5V ~ 5.5V
Operating temperature range: -40°C ~ 85°C
Package type: 20-SOIC
Output current specifications: 32mA (high), 64mA (low)

Substitute parts are grouped into two categories:

Manufacturer Recommended Substitutes (MFR Recommended): Parts that maintain identical electrical specifications and are sourced from active product lines. These include SN74ABT2241DW, SN74ABT2241DWR, and SN74ABT241ADW from Texas Instruments.

Parametric Equivalents: Parts that meet all critical electrical and mechanical parameters but may differ in base product number or manufacturer. These include 74ABT244D,623 (Nexperia USA Inc.), SN74ABT241ADWR, and SN74ABT244ADWR (Texas Instruments).

Parameter Comparison

Parameter	74ABT241D,623 (Main)	SN74ABT2241DW	SN74ABT2241DWR	SN74ABT241ADW	74ABT244D,623	SN74ABT241ADWR	SN74ABT244ADWR
Manufacturer	NXP USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Texas Instruments	Texas Instruments
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	2	2	2	2	2	2	2
Number of Bits per Element	4	4	4	4	4	4	4
Output Type	3-State	3-State	3-State	3-State	3-State	3-State	3-State
Current - Output High, Low	32mA, 64mA	32mA, 12mA	32mA, 12mA	32mA, 64mA	32mA, 64mA	32mA, 64mA	32mA, 64mA
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	20-SOIC	20-SOIC	20-SOIC	20-SOIC	20-SOIC	20-SOIC	20-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For Direct Replacement (Identical Output Current Specifications):

SN74ABT241ADW, SN74ABT241ADWR, 74ABT244D,623, and SN74ABT244ADWR maintain the 32mA high and 64mA low output current specifications of the original 74ABT241D,623. These parts are sourced from active product lines and carry ROHS3 compliance and MSL 1 ratings identical to the original component.

For Alternative Selection (Modified Output Current Specifications):

SN74ABT2241DW and SN74ABT2241DWR feature reduced output low current (12mA versus 64mA). These parts are suitable for applications where lower output current is acceptable and may provide thermal or power consumption benefits. Both are active products from Texas Instruments with full compliance certifications.

All substitute parts are available in 20-SOIC packaging and operate within the identical -40°C to 85°C temperature range and 4.5V to 5.5V supply voltage specifications of the original part.

Frequently Asked Questions (FAQ)

Q: Can SN74ABT2241DW replace 74ABT241D,623 directly?

A: SN74ABT2241DW is electrically compatible in terms of logic function, supply voltage, temperature range, and package type. However, it specifies 12mA output low current versus the original 64mA. Direct replacement is possible only if the application circuit does not require the higher output current capability.

Q: What is the difference between MFR Recommended and Parametric Equivalent substitutes?

A: MFR Recommended substitutes (SN74ABT2241DW, SN74ABT2241DWR, SN74ABT241ADW) are sourced from active product lines and maintain identical electrical specifications. Parametric Equivalents (74ABT244D,623, SN74ABT241ADWR, SN74ABT244ADWR) meet all critical electrical and mechanical parameters but may have different base product numbers or manufacturers.

Q: Are all substitute parts available in the same package?

A: Yes. All substitute parts listed are available in 20-SOIC (0.295", 7.50mm Width) packaging, matching the original 74ABT241D,623 package specification.

Q: Do substitute parts meet the same compliance standards?

A: All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original part's compliance profile.

Q: Which substitute should I select for new designs?

A: For new designs, select from the active product line substitutes: SN74ABT241ADW, SN74ABT241ADWR, SN74ABT244ADWR (for 64mA output low current), or SN74ABT2241DW, SN74ABT2241DWR (for 12mA output low current). All are available in high inventory quantities and carry active product status.

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