74HC241DB,112 Equivalent & Substitute Parts

Part Overview

The 74HC241DB,112 is a non-inverting buffer logic IC manufactured by Nexperia USA Inc., 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-SSOP package. The part is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	74HC241DB,112
Manufacturer	Nexperia 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	7.8mA, 7.8mA
Voltage - Supply	2V ~ 6V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	20-SSOP (0.209", 5.30mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74HC241DB,112 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
Current - Output High, Low: 7.8mA, 7.8mA
Voltage - Supply: 2V ~ 6V
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Substitute parts are grouped into two categories based on package compatibility:

Direct Package Match (20-SSOP): Parts maintaining identical package dimensions and pinout, requiring no PCB layout modifications.

Package Variant (20-TSSOP): Parts with equivalent electrical specifications but different package footprint (0.173" vs 0.209" width), requiring PCB redesign consideration.

Parameter Comparison

Parameter	74HC241DB,112 (Main)	SN74HC244DBR (Direct)	SN74HC241PW (Variant)	SN74HC241PWR (Variant)
Manufacturer	Nexperia USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	2	2	2	2
Number of Bits per Element	4	4	4	4
Output Type	3-State	3-State	3-State	3-State
Current - Output High, Low	7.8mA, 7.8mA	7.8mA, 7.8mA	7.8mA, 7.8mA	7.8mA, 7.8mA
Voltage - Supply	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	20-SSOP (0.209")	20-SSOP (0.209")	20-TSSOP (0.173")	20-TSSOP (0.173")
Product Status	Obsolete	Active	Discontinued at DiGi Electronics	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SN74HC244DBR (Texas Instruments) is the primary direct substitute. This part maintains identical package geometry (20-SSOP), electrical specifications, and RoHS3 compliance. The operating temperature range is reduced to -40°C ~ 85°C compared to the main part's -40°C ~ 125°C; applications requiring the extended upper temperature limit must account for this difference. Product status is Active, ensuring long-term availability.

SN74HC241PWR (Texas Instruments) is an active alternative with equivalent electrical performance and RoHS3 compliance. The 20-TSSOP package requires PCB layout modification due to reduced width (0.173" vs 0.209"). Operating temperature range is -40°C ~ 85°C. This option provides current production status and established supply chain support.

SN74HC241PW (Texas Instruments) shares electrical equivalence and RoHS3 compliance with a 20-TSSOP package footprint. Product status is listed as Discontinued at DiGi Electronics; this part should be evaluated for long-term availability before design implementation.

All substitute parts meet the core functional requirements: 2 Element, 4 Bit per Element, 3-State output, 7.8mA output current, 2V ~ 6V supply voltage, and Surface Mount configuration.

Frequently Asked Questions (FAQ)

Q: Can SN74HC244DBR replace 74HC241DB,112 without PCB modification?

A: Yes. SN74HC244DBR maintains the identical 20-SSOP package footprint and pinout. No PCB layout changes are required. Electrical specifications and RoHS3 compliance are equivalent.

Q: What is the difference between 20-SSOP and 20-TSSOP packages?

A: Both are 20-pin surface mount packages with the same pin count and pitch. The primary difference is package width: 20-SSOP is 0.209" wide, while 20-TSSOP is 0.173" wide. This dimensional difference requires PCB footprint redesign if switching between package types.

Q: Why is the operating temperature range different for substitute parts?

A: The main part (74HC241DB,112) specifies -40°C ~ 125°C, while Texas Instruments substitutes specify -40°C ~ 85°C. Applications operating above 85°C must verify that substitute parts meet thermal requirements or select alternatives with extended temperature ratings.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. SN74HC244DBR, SN74HC241PW, and SN74HC241PWR are all ROHS3 Compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the main part's compliance profile.

Q: Which substitute has the best long-term availability?

A: SN74HC241PWR (Texas Instruments) has Active product status, indicating current production and established supply chain support. SN74HC244DBR is also Active. SN74HC241PW is listed as Discontinued at DiGi Electronics and should be evaluated for future availability.

Q: Can I use these substitutes interchangeably in the same design?

A: SN74HC244DBR and 74HC241DB,112 are directly interchangeable without design changes. SN74HC241PWR and SN74HC241PW require PCB redesign due to package footprint differences, though electrical functionality remains equivalent.

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