SN74LVC3G34DCURE4 Equivalent & Substitute Parts

Part Overview

The SN74LVC3G34DCURE4 is a non-inverting buffer logic IC manufactured by Texas Instruments, featuring 3 elements with 1 bit per element and push-pull output configuration. This device operates across a supply voltage range of 1.65V to 5.5V and is housed in an 8-VSSOP surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	SN74LVC3G34DCURE4
Manufacturer	Texas Instruments
Logic Type	Buffer, Non-Inverting
Number of Elements	3
Number of Bits per Element	1
Output Type	Push-Pull
Current - Output High, Low	32mA, 32mA
Voltage - Supply	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-VFSOP (0.091", 2.30mm Width)
Supplier Device Package	8-VSSOP
Base Product Number	74LVC3G34
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics

Substitute Part Grouping Explanation

Substitution of the SN74LVC3G34DCURE4 is determined by strict equivalence across the following critical parameters:

Functional Parameters (Must Match):

Logic Type: Buffer, Non-Inverting
Number of Elements: 3
Number of Bits per Element: 1
Output Type: Push-Pull
Current - Output High, Low: 32mA, 32mA
Voltage - Supply: 1.65V ~ 5.5V
Operating Temperature: -40°C ~ 125°C (TA)

Package Considerations: Substitutes are grouped by package type. The primary package is 8-VSSOP (8-VFSOP). An alternative package option exists in 8-TSSOP format, which maintains identical electrical specifications but differs in physical dimensions.

Compliance & Status: All substitute parts maintain ROHS3 compliance and MSL 1 rating. Product status varies between Active and Discontinued at DiGi Electronics, affecting availability and long-term support.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements	Output Current (mA)	Supply Voltage	Package	Product Status	Inventory (Pcs)
SN74LVC3G34DCURE4	Texas Instruments	Buffer, Non-Inverting	3 x 1-bit	32/32	1.65V ~ 5.5V	8-VSSOP	Discontinued	1118
SN74LVC3G34DCUR	Texas Instruments	Buffer, Non-Inverting	3 x 1-bit	32/32	1.65V ~ 5.5V	8-VSSOP	Active	2300
SN74LVC3G34DCUT	Texas Instruments	Buffer, Non-Inverting	3 x 1-bit	32/32	1.65V ~ 5.5V	8-VSSOP	Active	2947
SN74LVC3G34DCUTG4	Texas Instruments	Buffer, Non-Inverting	3 x 1-bit	32/32	1.65V ~ 5.5V	8-VSSOP	Discontinued	1114
74LVC3G34DP,125	Nexperia USA Inc.	Buffer, Non-Inverting	3 x 1-bit	32/32	1.65V ~ 5.5V	8-TSSOP	Active	10828
74LVC3G34DC,125	NXP Semiconductors	Buffer, Non-Inverting	3 x 1-bit	32/32	1.65V ~ 5.5V	8-VSSOP	Active	9200

Engineering Selection Recommendations

Primary Substitutes (Same Package - 8-VSSOP):

SN74LVC3G34DCUR and SN74LVC3G34DCUT are direct substitutes manufactured by Texas Instruments with Active product status. Both maintain identical electrical specifications and package configuration. SN74LVC3G34DCUT offers higher inventory availability (2947 pcs) and is supplied in Tape & Reel format. SN74LVC3G34DCUR is supplied in Cut Tape and Digi-Reel packaging.

74LVC3G34DC,125 manufactured by NXP Semiconductors is a parametric equivalent in 8-VSSOP package with Active status and the highest inventory level (9200 pcs). This part provides robust long-term availability.

Alternative Package Substitute (8-TSSOP):

74LVC3G34DP,125 manufactured by Nexperia USA Inc. is functionally equivalent but housed in an 8-TSSOP package with 0.118" width (3.00mm) compared to the 8-VSSOP 0.091" width (2.30mm). This part has Active status and the highest inventory (10828 pcs). PCB layout modification is required for this package variant.

Compliance & Regulatory:

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

Frequently Asked Questions (FAQ)

Q: Can SN74LVC3G34DCUR directly replace SN74LVC3G34DCURE4 without PCB modification?

A: Yes. Both parts use the 8-VSSOP package with identical pinout, electrical specifications, and operating parameters. No PCB layout changes are required.

Q: What is the difference between SN74LVC3G34DCUR and SN74LVC3G34DCUT?

A: Both are Texas Instruments parts with identical electrical and package specifications. The difference is in packaging format: DCUR is supplied in Cut Tape and Digi-Reel, while DCUT is supplied in Tape & Reel. Selection depends on procurement and assembly requirements.

Q: Can 74LVC3G34DP,125 (8-TSSOP) be used as a substitute?

A: Electrically yes, but PCB modification is required. The 8-TSSOP package has different physical dimensions (0.118" width vs. 0.091" for 8-VSSOP). Footprint redesign and re-layout are necessary. This option is suitable only when PCB redesign is feasible.

Q: Why is 74LVC3G34DC,125 recommended over other substitutes?

A: 74LVC3G34DC,125 offers the highest inventory availability (9200 pcs), Active product status for long-term support, identical electrical specifications, and the same 8-VSSOP package as the original part. It provides the best combination of availability and compatibility.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 rating, meeting standard environmental and regulatory requirements.

Q: What is the supply voltage range for all these parts?

A: All parts operate across 1.65V to 5.5V supply voltage with identical output current specifications (32mA high, 32mA low) and operating temperature range (-40°C to 125°C).

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message