74HC42D,652 Equivalent & Substitute Parts

Part Overview

The 74HC42D,652 is a 1 x 4:10 decoder logic integrated circuit manufactured by Nexperia USA Inc. in a 16-SOIC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

The 74HC42 decoder series performs binary-to-decimal decoding functions with a single supply voltage range of 2V to 6V and operates across an industrial temperature range of -40°C to 125°C. The obsolete status of the 74HC42D,652 requires identification of active or alternative equivalent parts to maintain design continuity.

Key Parameters

Parameter	Value
Manufacturer	Nexperia USA Inc.
Part Number	74HC42D,652
Type	Decoder 1 x 4:10
Package	16-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Voltage Supply	2V ~ 6V
Output Current (High/Low)	5.2mA / 5.2mA
Operating Temperature	-40°C ~ 125°C
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 74HC42D,652 is determined by the following critical parameters:

Decoder Function: 1 x 4:10 binary-to-decimal decoder configuration
Package Type: 16-SOIC surface mount package with 0.154" (3.90mm) width
Voltage Supply Range: 2V to 6V single supply operation
Output Current Capability: 5.2mA high and low output current
Compliance: ROHS3 compliance and REACH unaffected status

Substitute parts must maintain identical decoder circuit topology, package footprint compatibility, and electrical specifications. The following parts meet these criteria and are grouped by product status and availability.

Parameter Comparison

Parameter	74HC42D,652 (Nexperia)	CD74HC42M (TI)	SN74HC42D (TI)	SN74HC42DR (TI)	SN74HC42DT (TI)	SN74HC42NSR (TI)
Manufacturer	Nexperia USA Inc.	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Type	Decoder 1 x 4:10	Decoder 1 x 4:10	Decoder 1 x 4:10	Decoder 1 x 4:10	Decoder 1 x 4:10	Decoder 1 x 4:10
Package	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)	16-SOIC (0.154", 3.90mm)	16-SOIC (0.209", 5.30mm)
Voltage Supply	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V
Output Current (High/Low)	5.2mA / 5.2mA	5.2mA / 5.2mA	5.2mA / 5.2mA	5.2mA / 5.2mA	5.2mA / 5.2mA	5.2mA / 5.2mA
Operating Temperature	-40°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Product Status	Obsolete	Active	Discontinued at DiGi Electronics	Active	Discontinued at DiGi Electronics	Discontinued at DiGi Electronics
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Option	-	Tube	Tube	Cut Tape & Digi-Reel	Tape & Reel	-

Engineering Selection Recommendations

Primary Substitute (Active Status):

CD74HC42M (Texas Instruments): Active product status with extended operating temperature range (-55°C to 125°C), providing superior thermal performance compared to the original 74HC42D,652. ROHS3 compliant. Available in tube packaging.
SN74HC42DR (Texas Instruments): Active product status with high inventory availability (569,966 pcs). Operates within -40°C to 85°C range. Available in Cut Tape and Digi-Reel packaging for production volumes.

Secondary Substitutes (Discontinued Status):

SN74HC42D, SN74HC42DT, SN74HC42NSR: All discontinued at DiGi Electronics. These parts maintain electrical equivalence but have limited procurement viability.

Package Consideration: The SN74HC42NSR uses a 16-SOIC package with 0.209" (5.30mm) width, which differs from the standard 0.154" (3.90mm) width of the 74HC42D,652 and other substitutes. This package variant is not recommended for direct footprint replacement without PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can CD74HC42M directly replace 74HC42D,652 in existing designs? A: Yes. CD74HC42M maintains identical decoder function, package footprint (16-SOIC 0.154" width), voltage supply range (2V-6V), and output current specifications (5.2mA). The extended temperature range (-55°C to 125°C) provides additional thermal margin. Both parts are ROHS3 compliant.

Q: What is the difference between SN74HC42DR and SN74HC42DT? A: Both parts are electrically identical 1 x 4:10 decoders with matching voltage, current, and temperature specifications (-40°C to 85°C). The primary difference is packaging: SN74HC42DR is supplied in Cut Tape and Digi-Reel format for high-volume production, while SN74HC42DT is supplied in Tape & Reel format. SN74HC42DR is currently active with significantly higher inventory availability.

Q: Why is SN74HC42NSR not recommended as a direct substitute? A: While SN74HC42NSR maintains electrical equivalence, its 16-SOIC package width is 0.209" (5.30mm) compared to the standard 0.154" (3.90mm) width of the 74HC42D,652. This dimensional difference requires PCB layout modification and is not suitable for direct footprint replacement.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts (CD74HC42M, SN74HC42D, SN74HC42DR, SN74HC42DT, SN74HC42NSR) are ROHS3 compliant and REACH unaffected, matching the compliance status of the original 74HC42D,652.

Q: What is the temperature range difference between 74HC42D,652 and CD74HC42M? A: The 74HC42D,652 operates from -40°C to 125°C, while CD74HC42M extends the lower temperature limit to -55°C, providing a 15°C improvement in cold temperature performance. Both maintain the same 125°C upper limit.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message