74LVC3GU04DCURE4 Equivalent & Substitute Parts

Part Overview

The 74LVC3GU04DCURE4 is a 3-channel inverter logic IC manufactured by Texas Instruments in 8-VSSOP surface mount packaging. This part is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The 74LVC series provides low-voltage CMOS logic functionality suitable for applications requiring signal inversion across multiple channels with supply voltage operation from 1.65V to 5.5V.

Key Parameters

Parameter	Value
Manufacturer Part Number	74LVC3GU04DCURE4
Manufacturer	Texas Instruments
Series	74LVC
Logic Type	Inverter
Number of Circuits	3
Number of Inputs	3
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	32mA, 32mA
Max Propagation Delay @ V, Max CL	3.2ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	8-VFSOP (0.091", 2.30mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 74LVC3GU04DCURE4 is determined by strict equivalence across the following critical parameters:

Logic Type: Inverter with 3 channels and 3 inputs
Supply Voltage Range: 1.65V ~ 5.5V
Output Current Capability: 32mA high and low
Operating Temperature Range: -40°C ~ 125°C
RoHS3 Compliance and MSL Level 1 rating
Base Product Number: 74LVC3GU04

Substitute parts are grouped into two categories based on package type: VSSOP variants (direct pin-compatible) and TSSOP variants (functionally equivalent with different package geometry).

Parameter Comparison

Parameter	74LVC3GU04DCURE4 (Main)	SN74LVC3GU04DCUR	74LVC3GU04DC,125	74LVC3GU04DP,125
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.	Nexperia USA Inc.
Product Status	Obsolete	Active	Active	Active
Logic Type	Inverter	Inverter	Inverter	Inverter
Number of Circuits	3	3	3	3
Number of Inputs	3	3	3	3
Voltage - Supply	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA	10 µA	4 µA	4 µA
Current - Output High, Low	32mA, 32mA	32mA, 32mA	32mA, 32mA	32mA, 32mA
Max Propagation Delay @ V, Max CL	3.2ns @ 5V, 50pF	3.2ns @ 5V, 50pF	3ns @ 5V, 50pF	3ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-TSSOP (0.118", 3.00mm Width)
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

SN74LVC3GU04DCUR is the direct equivalent substitute. This Texas Instruments part maintains active product status and is packaged in the identical 8-VFSOP form factor with matching electrical specifications. Selection of this part eliminates obsolescence risk while preserving design compatibility.

74LVC3GU04DC,125 is a functionally equivalent substitute manufactured by Nexperia USA Inc. in active production status. This part shares the same 8-VFSOP package and electrical performance envelope. The quiescent current specification is improved at 4 µA maximum compared to 10 µA, and propagation delay is reduced to 3ns, representing enhanced performance characteristics within the same functional class.

74LVC3GU04DP,125 is a functionally equivalent substitute with package variation. Manufactured by Nexperia USA Inc. in active production, this part uses 8-TSSOP packaging (0.118" width) instead of VSSOP. The electrical specifications match 74LVC3GU04DC,125. PCB layout modification is required for this package variant due to different pin pitch and body dimensions.

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC3GU04DCUR be used as a direct replacement for 74LVC3GU04DCURE4?

A: Yes. SN74LVC3GU04DCUR is a direct pin-compatible substitute with identical package geometry (8-VFSOP), electrical specifications, and functional performance. No PCB modifications are required.

Q: What is the difference between the Nexperia substitutes 74LVC3GU04DC,125 and 74LVC3GU04DP,125?

A: Both parts are manufactured by Nexperia USA Inc. with identical electrical specifications. The primary difference is package type: 74LVC3GU04DC,125 uses 8-VFSOP packaging (0.091" width), while 74LVC3GU04DP,125 uses 8-TSSOP packaging (0.118" width). The VSSOP variant (DC,125) is pin-compatible with the original part; the TSSOP variant (DP,125) requires PCB layout changes.

Q: Are there performance differences between the Texas Instruments and Nexperia substitutes?

A: The Nexperia parts (74LVC3GU04DC,125 and 74LVC3GU04DP,125) specify lower quiescent current (4 µA vs. 10 µA) and faster propagation delay (3ns vs. 3.2ns). These represent improved performance characteristics. The Texas Instruments substitute (SN74LVC3GU04DCUR) maintains identical specifications to the original part.

Q: Why is the original 74LVC3GU04DCURE4 marked as obsolete?

A: Product obsolescence is determined by manufacturer discontinuation. Active substitutes from both Texas Instruments and Nexperia ensure continued availability of equivalent 3-channel inverter logic functionality in the 74LVC series.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. All substitute parts listed are ROHS3 compliant with MSL Level 1 rating, matching the original part's compliance profile.

Q: Can 74LVC3GU04DP,125 be used if PCB layout cannot be modified?

A: No. The 8-TSSOP package has different pin pitch and body dimensions than the 8-VFSOP package. PCB layout modification is required for this variant. Use 74LVC3GU04DC,125 or SN74LVC3GU04DCUR for direct PCB compatibility.

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