CD74HC4050PWT Equivalent & Substitute Parts

Part Overview

The CD74HC4050PWT is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments, designed for signal buffering applications in digital systems. This 6-element buffer operates across a 2V to 6V supply range with push-pull output configuration in a 16-TSSOP surface mount package. The part is currently in Last Time Buy status, making identification of equivalent and substitute parts essential for design continuity and procurement planning.

Key Parameters

Parameter	Value
Manufacturer Part Number	CD74HC4050PWT
Manufacturer	Texas Instruments
Logic Type	Buffer, Non-Inverting
Number of Elements	6
Number of Bits per Element	1
Output Type	Push-Pull
Current - Output High, Low	5.2mA, 5.2mA
Voltage - Supply	2V ~ 6V
Operating Temperature	-55°C ~ 125°C (TA)
Package / Case	16-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CD74HC4050PWT is determined by strict equivalence across the following critical parameters:

Logic function: Non-inverting buffer with 6 elements, 1 bit per element
Output configuration: Push-pull topology
Output current capability: 5.2mA high and low
Supply voltage range: 2V to 6V
Package type: 16-TSSOP surface mount
Thermal operating range: Minimum -40°C to 125°C (note: original part specifies -55°C to 125°C)
Compliance standards: ROHS3, MSL Level 1

Substitute parts maintain identical functional and electrical specifications while differing in packaging format (Tape & Reel vs. Cut Tape) and product status. The base product number 74HC4050 remains constant across all equivalents.

Parameter Comparison

Parameter	CD74HC4050PWT (Main)	CD74HC4050PWR	74HC4050PW,118	74HC4050PW-Q100J
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Nexperia USA Inc.
Packaging	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Last Time Buy	Active	Active	Active
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	6	6	6	6
Output Type	Push-Pull	Push-Pull	Push-Pull	Push-Pull
Current - Output High, Low	5.2mA, 5.2mA	5.2mA, 5.2mA	5.2mA, 5.2mA	5.2mA, 5.2mA
Voltage - Supply	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Package / Case	16-TSSOP	16-TSSOP	16-TSSOP	16-TSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Grade	Standard	Standard	Standard	Automotive
Qualification	None specified	None specified	None specified	AEC-Q100

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and functional equivalence to the CD74HC4050PWT. Selection among available options depends on procurement requirements and application context:

CD74HC4050PWR (Texas Instruments, Active status) provides direct functional replacement with identical electrical specifications and thermal range (-55°C to 125°C). This part is available in Cut Tape and Digi-Reel packaging formats, suitable for applications requiring flexible packaging options.

74HC4050PW,118 (Nexperia USA Inc., Active status) offers equivalent functionality with a reduced lower operating temperature limit of -40°C. This part is available in Tape & Reel packaging and maintains all other electrical parameters.

74HC4050PW-Q100J (Nexperia USA Inc., Active status, Automotive Grade) provides equivalent functionality with AEC-Q100 qualification. This part is designated for automotive applications and operates within the -40°C to 125°C temperature range. Selection of this variant is appropriate for designs requiring automotive-grade components.

Frequently Asked Questions (FAQ)

Q: Can CD74HC4050PWR be used as a direct replacement for CD74HC4050PWT?

A: Yes. Both parts are functionally identical non-inverting buffers with 6 elements, 5.2mA output current, 2V to 6V supply range, and -55°C to 125°C operating temperature. The primary difference is packaging format (Cut Tape vs. Tape & Reel) and product status (Active vs. Last Time Buy).

Q: What is the difference between the Nexperia parts and Texas Instruments parts?

A: Both manufacturers produce equivalent 74HC4050 logic buffers meeting identical electrical specifications. The primary differences are manufacturer identity, packaging options, and product status. All parts maintain the same functional performance and compliance certifications.

Q: Are there temperature range considerations when selecting a substitute?

A: The CD74HC4050PWT and CD74HC4050PWR both operate from -55°C to 125°C. The Nexperia parts (74HC4050PW,118 and 74HC4050PW-Q100J) operate from -40°C to 125°C. Applications requiring operation below -40°C must use Texas Instruments variants.

Q: What does AEC-Q100 qualification mean for the 74HC4050PW-Q100J?

A: AEC-Q100 qualification indicates the part meets automotive industry reliability and quality standards. This variant is appropriate for automotive applications and environments requiring automotive-grade component certification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage requirements.

Q: Does packaging format affect electrical performance?

A: No. Tape & Reel and Cut Tape packaging formats do not affect electrical performance or functional characteristics. Packaging selection is determined by procurement and assembly process requirements.

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