SN74LVC2G14DBVRG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G14DBVRG4 is a 2-channel inverter IC with Schmitt trigger inputs manufactured by Texas Instruments in SOT-23-6 surface mount packaging. This part is discontinued at DiGi Electronics, necessitating identification of active equivalent and substitute components that maintain functional and electrical compatibility for new designs and production continuity.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	2
Number of Inputs	2
Features	Schmitt Trigger
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	32mA, 32mA
Input Logic Level - Low	0.3V ~ 1.4V
Input Logic Level - High	1.4V ~ 3.7V
Max Propagation Delay @ 5V, 50pF	4.7ns
Operating Temperature	-40°C ~ 125°C (TA)
Package / Case	SOT-23-6
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74LVC2G14DBVRG4 is determined by the following critical parameters:

Logic Function: 2-channel inverter with Schmitt trigger inputs
Electrical Specifications: Supply voltage range 1.65V ~ 5.5V, output current 32mA, propagation delay 4.7ns @ 5V/50pF
Package Compatibility: SOT-23-6 or equivalent 6-pin surface mount packages (SC-74, SOT-457, 6-TSOP, 6-TSSOP, SOT-26)
Compliance: ROHS3 compliant, MSL Level 1

Substitute parts are grouped into three categories:

Parametric Equivalents (Texas Instruments): SN74LVC2G14DBVR and SN74LVC2G14DBVT maintain identical electrical specifications and differ only in packaging format (Cut Tape vs. Tape & Reel).

Direct Manufacturer Alternative (onsemi): NL27WZ14DTT1G provides equivalent logic function with minor variations in quiescent current (1 µA vs. 10 µA) and input logic levels, packaged in 6-TSOP.

Upgrade Options (Nexperia): 74LVC2G14GV,125, 74LVC2G14GV-Q100H, 74LVC2G14GW,125, and 74LVC2G14W6-7 (Diodes Incorporated) offer improved quiescent current performance (4 µA or 40 µA) with alternative package options while maintaining core electrical compatibility.

Parameter Comparison

Part Number	Manufacturer	Product Status	Quiescent Current (Max)	Input Logic Level - Low	Input Logic Level - High	Package / Case	Packaging Type
SN74LVC2G14DBVRG4	Texas Instruments	Discontinued	10 µA	0.3V ~ 1.4V	1.4V ~ 3.7V	SOT-23-6	Digi-Reel
SN74LVC2G14DBVR	Texas Instruments	Active	10 µA	0.3V ~ 1.4V	1.4V ~ 3.7V	SOT-23-6	Cut Tape & Digi-Reel
SN74LVC2G14DBVT	Texas Instruments	Active	10 µA	0.3V ~ 1.4V	1.4V ~ 3.7V	SOT-23-6	Tape & Reel
NL27WZ14DTT1G	onsemi	Obsolete	1 µA	0.4V ~ 1.2V	1.8V ~ 3.6V	SOT-23-6 Thin, TSOT-23-6	Tape & Reel
74LVC2G14GV,125	Nexperia USA Inc.	Active	4 µA	0.25V ~ 1.2V	1.7V ~ 3.8V	SC-74, SOT-457	Tape & Reel
74LVC2G14GV-Q100H	Nexperia USA Inc.	Active	4 µA	0.25V ~ 1.2V	1.7V ~ 3.8V	SC-74, SOT-457	Tape & Reel
74LVC2G14GW,125	Nexperia USA Inc.	Active	4 µA	0.25V ~ 1.2V	1.7V ~ 3.8V	6-TSSOP, SC-88, SOT-363	Cut Tape & Digi-Reel
74LVC2G14W6-7	Diodes Incorporated	Active	40 µA	0.25V ~ 1.2V	1.7V ~ 3.8V	SOT-23-6	Tape & Reel

Engineering Selection Recommendations

Direct Replacement (Recommended for Existing Designs)

SN74LVC2G14DBVR and SN74LVC2G14DBVT are the primary substitutes, offering identical electrical specifications to the discontinued SN74LVC2G14DBVRG4. Both are active products from Texas Instruments with ROHS3 compliance and MSL Level 1 rating. Selection between these two depends on packaging requirements: DBVR for cut tape or Digi-Reel format, DBVT for tape and reel format.

Active Alternatives with Package Flexibility

The Nexperia 74LVC2G14 series (GV,125 and GW,125 variants) and Diodes 74LVC2G14W6-7 are active products offering improved quiescent current performance (4 µA or 40 µA) with alternative package options. These maintain electrical compatibility within the specified supply voltage and output current ranges. The 74LVC2G14GV-Q100H includes AEC-Q100 automotive qualification for applications requiring automotive-grade components.

Consideration for Obsolete Parts

The onsemi NL27WZ14DTT1G is marked obsolete and should not be selected for new designs despite its lower quiescent current specification.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G14DBVR directly replace SN74LVC2G14DBVRG4 without circuit modification?

A: Yes. SN74LVC2G14DBVR maintains identical electrical specifications including supply voltage range (1.65V ~ 5.5V), output current (32mA), propagation delay (4.7ns @ 5V/50pF), and operating temperature range (-40°C ~ 125°C). Both use SOT-23-6 packaging. The only difference is packaging format (cut tape vs. Digi-Reel).

Q: What is the difference between the Nexperia 74LVC2G14GV,125 and the original SN74LVC2G14DBVRG4?

A: The Nexperia part offers lower quiescent current (4 µA vs. 10 µA) and slightly different input logic level thresholds (0.25V ~ 1.2V for low vs. 0.3V ~ 1.4V). It uses SC-74/SOT-457 packaging instead of SOT-23-6. Verify PCB footprint compatibility before selection.

Q: Is the onsemi NL27WZ14DTT1G suitable for new production?

A: No. This part is marked obsolete and should not be used for new designs. Use active alternatives from Texas Instruments or Nexperia instead.

Q: What packaging options are available for 74LVC2G14 inverter ICs?

A: Available packages include SOT-23-6, SC-74 (SOT-457), 6-TSSOP (SC-88, SOT-363), 6-TSOP, and SOT-26. Verify your PCB design supports the selected package before ordering.

Q: Does the 74LVC2G14GV-Q100H offer any advantages over standard variants?

A: The 74LVC2G14GV-Q100H includes AEC-Q100 automotive qualification, making it suitable for automotive applications requiring automotive-grade components. Electrical specifications are identical to the standard 74LVC2G14GV,125.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 rating, consistent with the original SN74LVC2G14DBVRG4.

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