SN74AC241PW Equivalent & Substitute Parts

Part Overview

The SN74AC241PW is a non-inverting buffer logic IC manufactured by Texas Instruments, designed for 2-element, 4-bit per element configurations with 3-state output capability. This component operates across a 2V to 6V supply voltage range and is housed in a 20-TSSOP surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent and substitute parts essential for ongoing design support and production continuity. Identifying compatible alternatives ensures system functionality while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Manufacturer Part Number	SN74AC241PW
Manufacturer	Texas Instruments
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	4
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	2V ~ 6V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	20-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74AC241PW are classified based on strict electrical and mechanical parameter alignment. All identified substitutes maintain identical specifications across the following critical parameters:

Logic Type: Buffer, Non-Inverting
Number of Elements: 2
Number of Bits per Element: 4
Output Type: 3-State
Current - Output High, Low: 24mA, 24mA
Voltage - Supply: 2V ~ 6V
Operating Temperature: -40°C ~ 85°C (TA)
Package / Case: 20-TSSOP (0.173", 4.40mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitutes are differentiated by packaging format (Tube versus Tape & Reel), manufacturer (Texas Instruments versus onsemi), and product status (Active versus Discontinued). These variations do not affect electrical performance or mechanical compatibility in circuit applications.

Parameter Comparison

Part Number	Manufacturer	Packaging	Product Status	Logic Type	Elements	Bits/Element	Output Type	Current (mA)	Voltage (V)	Temp Range (°C)	Package	RoHS
SN74AC241PW	Texas Instruments	Tube	Discontinued	Buffer, Non-Inverting	2	4	3-State	24, 24	2-6	-40 to 85	20-TSSOP	ROHS3
SN74AC241PWR	Texas Instruments	Tape & Reel	Active	Buffer, Non-Inverting	2	4	3-State	24, 24	2-6	-40 to 85	20-TSSOP	ROHS3
SN74AC244PW	Texas Instruments	Tube	Discontinued	Buffer, Non-Inverting	2	4	3-State	24, 24	2-6	-40 to 85	20-TSSOP	ROHS3
74AC244MTC	onsemi	Tube	Active	Buffer, Non-Inverting	2	4	3-State	24, 24	2-6	-40 to 85	20-TSSOP	ROHS3
MC74AC244DTG	onsemi	Not Specified	Active	Buffer, Non-Inverting	2	4	3-State	24, 24	2-6	-40 to 85	20-TSSOP	ROHS3

Engineering Selection Recommendations

For applications requiring the SN74AC241PW, the following selection criteria apply:

Active Product Status Priority: SN74AC241PWR (Texas Instruments, Tape & Reel) is the direct equivalent with active product status, ensuring long-term availability and supply chain continuity. This part is electrically and mechanically identical to the original SN74AC241PW, with the primary difference being packaging format (Tape & Reel versus Tube).

Alternative Manufacturer Options: 74AC244MTC (onsemi, Tube) and MC74AC244DTG (onsemi) provide parametric equivalence with active product status. These parts maintain all critical electrical specifications and package dimensions, offering additional sourcing flexibility.

Compliance Assurance: All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing processes and long-term reliability requirements.

Packaging Considerations: Selection between Tube and Tape & Reel packaging depends on production volume and assembly equipment capabilities. Both formats are mechanically compatible with 20-TSSOP footprints.

Frequently Asked Questions (FAQ)

Q: Can SN74AC241PWR be used as a direct replacement for SN74AC241PW?

A: Yes. SN74AC241PWR is electrically and mechanically identical to SN74AC241PW. The only difference is packaging format: SN74AC241PWR uses Tape & Reel while SN74AC241PW uses Tube. Both are compatible with 20-TSSOP PCB footprints.

Q: What is the difference between SN74AC241PW and SN74AC244PW?

A: Both parts are non-inverting buffers with identical electrical specifications (2 elements, 4 bits per element, 3-state output, 24mA output current, 2V-6V supply). The primary difference is the base product number designation (74AC241 versus 74AC244), though they share the same functional characteristics and package.

Q: Are onsemi parts (74AC244MTC, MC74AC244DTG) compatible with Texas Instruments SN74AC241PW?

A: Yes. Both manufacturers' parts meet identical electrical and mechanical specifications for this logic buffer category. All parts operate at the same voltage range (2V-6V), output current (24mA), temperature range (-40°C to 85°C), and use the same 20-TSSOP package.

Q: Does packaging format (Tube versus Tape & Reel) affect circuit performance?

A: No. Packaging format affects only handling, storage, and assembly processes. Electrical performance and mechanical compatibility with PCB footprints remain identical regardless of packaging format.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 rating, meeting current environmental and reliability standards.

Q: Which substitute part offers the best long-term availability?

A: SN74AC241PWR (Texas Instruments, Active status) and 74AC244MTC (onsemi, Active status) both have active product status, ensuring ongoing availability. SN74AC241PW and SN74AC244PW are discontinued at DiGi Electronics.

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