SN74LVC3G06DCUTG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC3G06DCUTG4 is a 3-channel inverter logic IC with open-drain outputs manufactured by Texas Instruments in the 74LVC series. This device features a supply voltage range of 1.65V to 5.5V and is housed in an 8-VSSOP package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	3
Number of Inputs	3
Features	Open Drain
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	-, 32mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	2.9ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-VFSOP (0.091", 2.30mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC3G06DCUTG4 is determined by the following critical parameters:

Logic type (Inverter) and circuit configuration (3-channel, 3-input)
Open-drain output feature
Supply voltage range (1.65V ~ 5.5V)
Output current capability (32mA maximum)
Input logic thresholds (0.7V ~ 0.8V low, 1.7V ~ 2V high)
Propagation delay (2.9ns @ 5V, 50pF)
Operating temperature range (-40°C ~ 85°C)
Surface mount technology and package compatibility

Substitute parts are grouped into three categories: parametric equivalents (identical electrical specifications with different packaging), upgrade alternatives (different manufacturer, compatible specifications), and manufacturer-recommended alternatives (enhanced specifications with extended temperature range).

Parameter Comparison

Parameter	SN74LVC3G06DCUTG4	SN74LVC3G06DCUR	SN74LVC3G06DCUT	74LVC3G06DC,125	74LVC3G06DP,125
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	NXP Semiconductors	Nexperia USA Inc.
Logic Type	Inverter	Inverter	Inverter	Inverter	Inverter
Number of Circuits	3	3	3	3	3
Number of Inputs	3	3	3	3	3
Features	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain
Voltage - Supply	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA	10 µA	10 µA	Not specified	4 µA
Current - Output High, Low	-, 32mA	-, 32mA	-, 32mA	-, 32mA	-, 32mA
Input Logic Level - Low	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	2.9ns @ 5V, 50pF	2.9ns @ 5V, 50pF	2.9ns @ 5V, 50pF	2.9ns @ 5V, 50pF	2.9ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C
Mounting Type	Surface Mount	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)	Not specified	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

For designs currently using the obsolete SN74LVC3G06DCUTG4, the following selection criteria apply:

Parametric Equivalents (SN74LVC3G06DCUR, SN74LVC3G06DCUT): These Texas Instruments parts maintain identical electrical specifications and package dimensions. Selection between these two depends on packaging requirements: SN74LVC3G06DCUR is supplied in Cut Tape and Digi-Reel format, while SN74LVC3G06DCUT is supplied in Tape & Reel format. Both parts are active and ROHS3 compliant with MSL 1 rating.

Upgrade Alternative (74LVC3G06DC,125): This NXP Semiconductors part provides equivalent electrical performance and is active with ROHS3 compliance. Packaging details are not fully specified in the provided data.

Manufacturer-Recommended Alternative (74LVC3G06DP,125): This Nexperia USA Inc. part offers enhanced specifications including lower quiescent current (4 µA versus 10 µA) and extended operating temperature range (-40°C ~ 125°C versus -40°C ~ 85°C). The package is 8-TSSOP/8-MSOP with a larger width (3.00mm versus 2.30mm), which may require PCB layout verification. This part is active and ROHS3 compliant with MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can I directly replace SN74LVC3G06DCUTG4 with SN74LVC3G06DCUR or SN74LVC3G06DCUT?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, logic configuration, and package dimensions. The difference is packaging format: SN74LVC3G06DCUR uses Cut Tape/Digi-Reel, while SN74LVC3G06DCUT uses Tape & Reel. Selection depends on your procurement and assembly requirements.

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

A: The Nexperia 74LVC3G06DP,125 offers lower quiescent current (4 µA) and extended operating temperature range (-40°C ~ 125°C). However, it uses a larger 8-TSSOP/8-MSOP package (3.00mm width) compared to the 8-VFSOP package (2.30mm width) of the original part. PCB layout compatibility must be verified before selection.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the compliance profile of the original SN74LVC3G06DCUTG4.

Q: Which substitute part has the best availability?

A: SN74LVC3G06DCUR has the highest inventory (9,100 pcs), followed by 74LVC3G06DC,125 (3,840 pcs) and SN74LVC3G06DCUT (3,124 pcs).

Q: Can I use 74LVC3G06DP,125 in applications requiring the -40°C ~ 85°C temperature range?

A: Yes. The 74LVC3G06DP,125 operates across -40°C ~ 125°C, which encompasses the original -40°C ~ 85°C range. However, the larger package footprint requires PCB layout verification for mechanical compatibility.

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