SN74LVC2G04DBVRG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G04DBVRG4 is a 2-channel inverter logic IC manufactured by Texas Instruments in SOT-23-6 surface mount packaging. This part is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement. The device operates across a wide supply voltage range of 1.65V to 5.5V and is suitable for low-power digital logic applications requiring signal inversion.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	2
Number of Inputs	2
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	32mA, 32mA
Max Propagation Delay @ 5V, 50pF	3.7ns
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	SOT-23-6
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC2G04DBVRG4 is determined by the following critical parameters:

Logic Type: Inverter with 2 channels and 2 inputs
Supply Voltage Range: 1.65V ~ 5.5V
Output Drive Capability: 32mA high and low
Propagation Delay: Maximum 3.7ns @ 5V, 50pF load
Operating Temperature Range: -40°C ~ 125°C
Surface Mount Packaging: SOT-23-6 or compatible footprint variants
Compliance: ROHS3 compliant, MSL 1

Substitute parts must maintain functional equivalence across these parameters. Package variants (SOT-23-6, 6-TSOP, 6-TSSOP, SOT-26) are mechanically compatible within the same footprint family and do not affect electrical performance.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Supply	Current - Quiescent (Max)	Current - Output (High/Low)	Max Propagation Delay @ 5V, 50pF	Operating Temperature	Package / Case
SN74LVC2G04DBVRG4	Texas Instruments	Discontinued	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.7ns	-40°C ~ 125°C	SOT-23-6
SN74LVC2G04DBVR	Texas Instruments	Active	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.2ns	-40°C ~ 125°C	SOT-23-6
NL27WZ04DTT1G	onsemi	Obsolete	1.65V ~ 5.5V	1 µA	32mA, 32mA	3.6ns	-55°C ~ 125°C	SOT-23-6 Thin, TSOT-23-6
74LVC2G04GV,125	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.2ns	-40°C ~ 125°C	SC-74, SOT-457
74LVC2G04GW,125	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.2ns	-40°C ~ 125°C	6-TSSOP, SC-88, SOT-363
74LVC2G04W6-7	Diodes Incorporated	Active	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.8ns	-40°C ~ 125°C	SOT-23-6

Engineering Selection Recommendations

For direct replacement of the discontinued SN74LVC2G04DBVRG4:

Primary Recommendation: SN74LVC2G04DBVR — Texas Instruments active part with identical electrical specifications, improved propagation delay (3.2ns vs 3.7ns), and same SOT-23-6 package. Maintains full compatibility with existing PCB layouts and design requirements.

Alternative Options by Priority:

74LVC2G04W6-7 (Diodes Incorporated) — Active status, SOT-23-6 package, identical quiescent current (10 µA), propagation delay within acceptable tolerance (3.8ns). Suitable for direct substitution with no layout changes.
74LVC2G04GV,125 (Nexperia USA Inc.) — Active status, improved quiescent current (4 µA), faster propagation delay (3.2ns). Requires PCB layout adjustment due to SC-74/SOT-457 package variant.
74LVC2G04GW,125 (Nexperia USA Inc.) — Active status, improved quiescent current (4 µA), faster propagation delay (3.2ns). Requires PCB layout adjustment due to 6-TSSOP/SOT-363 package variant.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and operate within the specified temperature range. Selection should prioritize active product status and package compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G04DBVR be used as a direct replacement for SN74LVC2G04DBVRG4?

A: Yes. Both parts share identical electrical specifications, supply voltage range, output drive capability, and operating temperature range. The SN74LVC2G04DBVR is the active equivalent with improved propagation delay (3.2ns vs 3.7ns) and uses the same SOT-23-6 package, requiring no PCB modifications.

Q: What is the difference between SOT-23-6, 6-TSOP, and 6-TSSOP packages?

A: These are different surface mount package variants with different physical dimensions and pin layouts. SOT-23-6 and SOT-26 are compatible footprints. 6-TSOP and 6-TSSOP require different PCB land patterns. Electrical performance is identical; package selection depends on PCB design constraints.

Q: Why is the NL27WZ04DTT1G marked as obsolete if it is functionally equivalent?

A: The NL27WZ04DTT1G (onsemi 27WZ series) is obsolete and should not be selected for new designs. Although it meets electrical requirements, active alternatives from Texas Instruments and Nexperia provide better long-term supply assurance and design support.

Q: Does lower quiescent current in substitute parts affect circuit performance?

A: No. Lower quiescent current (1 µA to 4 µA vs 10 µA) represents improved power efficiency and does not impact functional performance. All parts maintain identical output drive capability and propagation delay characteristics within acceptable tolerances.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental compliance requirements.

Q: What is the recommended substitute if PCB layout cannot be modified?

A: SN74LVC2G04DBVR or 74LVC2G04W6-7 are recommended, as both use SOT-23-6 packaging compatible with the original SN74LVC2G04DBVRG4 footprint without layout changes.

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