SN74LVC3G14DCUTE4 Equivalent & Substitute Parts

Part Overview

The SN74LVC3G14DCUTE4 is a 3-channel inverter IC with Schmitt trigger inputs manufactured by Texas Instruments in the 74LVC logic series. This device operates across a wide supply voltage range of 1.65V to 5.5V and is housed in an 8-VSSOP surface mount package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

SN74LVC3G14DCUTE4

Texas InstrumentsIn Stock: 1030SN74LVC3G14DCUTE4 Datasheet

Current PartRFQ

SN74LVC3G14DCUR

Texas InstrumentsIn Stock: 4108SN74LVC3G14DCUR Datasheet

Parametric EquivalentRFQ

SN74LVC3G14DCUT

Texas InstrumentsIn Stock: 2009SN74LVC3G14DCUT Datasheet

Parametric EquivalentRFQ

NL37WZ14USG

onsemiIn Stock: 20906NL37WZ14USG Datasheet

DirectRFQ

74LVC3G14DC,125

Nexperia USA Inc.In Stock: 421974LVC3G14DC,125 Datasheet

UpgradeRFQ

74LVC3G14DP,125

Nexperia USA Inc.In Stock: 941574LVC3G14DP,125 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the SN74LVC3G14DCUTE4 is determined by the following criteria:

Functional Equivalence: All substitute parts must maintain identical logic type (inverter), circuit count (3 channels), input count (3), and Schmitt trigger feature.

Electrical Compatibility: Supply voltage range, output current capability, propagation delay, and operating temperature must be within acceptable parameters for the application.

Package Compatibility: Physical package dimensions and mounting type must support direct board-level replacement or be compatible with the design footprint.

Packaging Format: The original part is supplied in Digi-Reel format. Substitutes are available in Cut Tape (CT) & Digi-Reel, Tape & Reel (TR), and alternative package styles.

The substitute parts are grouped as follows:

• Parametric Equivalents (Texas Instruments): SN74LVC3G14DCUR, SN74LVC3G14DCUT
• Direct Manufacturer Equivalent (onsemi): NL37WZ14USG
• Upgrade Options (Nexperia): 74LVC3G14DC,125, 74LVC3G14DP,125

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Package):

SN74LVC3G14DCUR and SN74LVC3G14DCUT are the primary substitutes, both from Texas Instruments with active product status. These parts maintain identical electrical specifications and package dimensions to the obsolete SN74LVC3G14DCUTE4. The difference between these two is packaging format: DCUR is supplied in Cut Tape & Digi-Reel, while DCUT is supplied in Tape & Reel.

For Cross-Manufacturer Substitution:

The 74LVC3G14DC,125 from Nexperia USA Inc. provides an active alternative with the same package footprint. This part features lower quiescent current (4 µA versus 10 µA) and maintains identical propagation delay and operating temperature range.

For Enhanced Performance:

The NL37WZ14USG from onsemi offers superior quiescent current performance (1 µA) and extended operating temperature range (-55°C to 125°C). Propagation delay is marginally higher at 4.9ns. This part is suitable for applications requiring lower power consumption or wider temperature operation.

For Package Variant:

The 74LVC3G14DP,125 from Nexperia uses an 8-TSSOP package instead of 8-VFSOP. This option requires PCB layout modification but is available in high volume with active status.

All substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance profile of the original part.

Frequently Asked Questions (FAQ)

Q: Can I use SN74LVC3G14DCUR as a direct replacement for SN74LVC3G14DCUTE4?

A: Yes. Both parts share identical electrical specifications, pin configuration, and package dimensions (8-VFSOP). The only difference is the packaging format (Cut Tape & Digi-Reel versus Digi-Reel). Functional and electrical compatibility is complete.

Q: What is the difference between SN74LVC3G14DCUR and SN74LVC3G14DCUT?

A: Both parts are electrically identical. The difference is in packaging format: DCUR is supplied in Cut Tape & Digi-Reel, while DCUT is supplied in Tape & Reel. Select based on your procurement and assembly process requirements.

Q: Can I substitute the NL37WZ14USG for the original part?

A: Yes, with considerations. The NL37WZ14USG maintains the same package footprint and core functionality. It offers lower quiescent current (1 µA) and wider operating temperature range (-55°C to 125°C). Propagation delay is slightly higher at 4.9ns. Verify that the input logic level thresholds (0.4V ~ 1.2V low, 1.8V ~ 3.6V high) are compatible with your signal sources.

Q: What is the difference between the 8-VFSOP and 8-TSSOP packages?

A: The 8-VFSOP package is 0.091" wide (2.30mm), while the 8-TSSOP package is 0.118" wide (3.00mm). The 74LVC3G14DP,125 uses the larger 8-TSSOP package and requires different PCB footprint and layout. Use this option only if your design can accommodate the larger package dimensions.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of the original SN74LVC3G14DCUTE4.

Q: Which substitute offers the best power efficiency?

A: The NL37WZ14USG from onsemi provides the lowest quiescent current at 1 µA, compared to 10 µA for the original part and 4 µA for the Nexperia options. This makes it the most power-efficient choice for battery-powered or low-power applications.

Q: Can I mix different substitute parts in the same design?

A: Yes. All substitute parts are functionally equivalent and can be used interchangeably within the same circuit. However, maintain consistent sourcing within a production batch to ensure supply chain stability.