74LVC3G14GD,125 Equivalent & Substitute Parts

Part Overview

The 74LVC3G14GD,125 is a 3-channel inverter IC with Schmitt trigger inputs manufactured by Nexperia USA Inc. in the 74LVC logic series. This device features 3 independent inverter circuits with Schmitt trigger hysteresis, housed in an 8-XSON (2x3) surface mount package. The part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The 74LVC3G14 base product remains active across multiple package and manufacturer variants, ensuring availability through alternative configurations.

Key Parameters

Parameter	Value
Logic Type	Inverter with Schmitt Trigger
Number of Circuits	3
Number of Inputs	3
Supply Voltage Range	1.65V ~ 5.5V
Quiescent Current (Max)	4 µA
Output Current (High/Low)	32mA / 32mA
Input Logic Level Low	1.1V ~ 2.5V
Input Logic Level High	1.7V ~ 3.8V
Max Propagation Delay	4.3ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package	8-XFDFN
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 74LVC3G14GD,125 is determined by the following critical parameters:

Direct Functional Equivalents (3-Channel, 3-Input Configuration): Parts maintaining identical circuit count, input configuration, and electrical specifications allow pin-for-pin replacement with package variation only. These include 74LVC3G14GT,115, 74LVC3G14GF,115, 74LVC3G14GS,115, 74LVC3G14GN,115, and 74LVC3G14DC,125. All maintain 3 circuits, 3 inputs, identical voltage ranges (1.65V ~ 5.5V), output current (32mA/32mA), and propagation delay (4.3ns @ 5V, 50pF).

Parametric Equivalents (2-Channel, 2-Input Configuration): The 74LVC2G14 variants (74LVC2G14GM,115; 74LVC2G14GM,132; 74LVC2G14GN,132; 74LVC2G14GS,132; 74LVC2G14FW4-7) provide reduced circuit and input count but maintain identical electrical performance within their reduced scope. These parts share supply voltage range (1.65V ~ 5.5V), quiescent current (4 µA), output current (32mA/32mA), and operating temperature (-40°C ~ 125°C). Input logic levels differ slightly (0.25V ~ 1.2V for low threshold), and propagation delay is marginally higher (4.7ns @ 5V, 50pF for most variants, 4.3ns for 74LVC2G14GN,132).

Key Substitution Criteria:

Supply voltage compatibility (1.65V ~ 5.5V maintained across all variants)
Output drive capability (32mA/32mA standard)
Schmitt trigger hysteresis feature (present in all listed parts)
Operating temperature range (-40°C ~ 125°C)
RoHS3 compliance and MSL rating (where specified)
Package footprint and pin count requirements

Parameter Comparison

Part Number	Manufacturer	Circuits	Inputs	Supply Voltage	Quiescent Current	Output Current (H/L)	Propagation Delay	Package	Status
74LVC3G14GD,125	Nexperia USA Inc.	3	3	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	8-XFDFN	Obsolete
74LVC3G14DC,125	Nexperia USA Inc.	3	3	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	8-VFSOP	Active
74LVC3G14GT,115	NXP USA Inc.	3	3	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	8-XFDFN	Active
74LVC3G14GF,115	NXP USA Inc.	3	3	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	8-XFDFN	Active
74LVC3G14GS,115	Nexperia USA Inc.	3	3	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	8-XFDFN	Active
74LVC3G14GN,115	Nexperia USA Inc.	3	3	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	8-XFDFN	Active
74LVC2G14GM,115	Nexperia USA Inc.	2	2	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.7ns @ 5V	6-XFDFN	Active
74LVC2G14GM,132	Nexperia USA Inc.	2	2	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.7ns @ 5V	6-XFDFN	Active
74LVC2G14GN,132	NXP USA Inc.	2	2	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	6-XFDFN	Active
74LVC2G14GS,132	Nexperia USA Inc.	2	2	1.65V ~ 5.5V	4 µA	32mA / 32mA	4.3ns @ 5V	6-XFDFN	Active
74LVC2G14FW4-7	Diodes Incorporated	2	2	1.65V ~ 5.5V	40 µA	32mA / 32mA	4.7ns @ 5V	6-XFDFN	Active

Engineering Selection Recommendations

For Direct Replacement (3-Channel, 3-Input Requirement):

Select from active 74LVC3G14 variants when the design requires 3 independent inverter circuits with Schmitt trigger inputs. The 74LVC3G14GT,115, 74LVC3G14GF,115, 74LVC3G14GS,115, and 74LVC3G14GN,115 are all active products from Nexperia or NXP USA Inc. with ROHS3 compliance and MSL rating 1. The 74LVC3G14DC,125 offers an alternative package (8-VFSOP) while maintaining identical electrical specifications and active product status.

For Reduced Circuit Count Applications (2-Channel, 2-Input Requirement):

When circuit count can be reduced to 2 channels with 2 inputs, the 74LVC2G14 family provides active alternatives. The 74LVC2G14GN,132 and 74LVC2G14GS,132 maintain the 4.3ns propagation delay matching the original part. The 74LVC2G14GM variants and 74LVC2G14FW4-7 (Diodes Incorporated) operate at 4.7ns propagation delay with identical output drive and supply voltage specifications. All 74LVC2G14 variants maintain ROHS3 compliance and MSL rating 1 (where specified).

Compliance and Availability Considerations:

All recommended substitutes maintain the 1.65V ~ 5.5V supply voltage range, 4 µA quiescent current, 32mA output drive, and -40°C ~ 125°C operating temperature of the original part. Active product status ensures ongoing availability and manufacturing support. ROHS3 compliance is confirmed for all listed alternatives except where MSL or compliance data is not provided in the specification.

Frequently Asked Questions (FAQ)

Q: Can 74LVC2G14 variants directly replace the 74LVC3G14GD,125?

A: No. The 74LVC2G14 family provides 2 circuits with 2 inputs, while the 74LVC3G14GD,125 provides 3 circuits with 3 inputs. Direct replacement requires a 74LVC3G14 variant. The 74LVC2G14 family is suitable only when circuit count reduction is acceptable in the design.

Q: What is the difference between 74LVC3G14GT,115 and 74LVC3G14GS,115?

A: Both parts are 3-channel inverters with identical electrical specifications (1.65V ~ 5.5V supply, 4.3ns propagation delay, 32mA output drive). The difference lies in package dimensions: 74LVC3G14GT,115 uses 8-XSON (1.95x1) while 74LVC3G14GS,115 uses 8-XSON (1.35x1). Selection depends on PCB layout constraints and available footprint space.

Q: Is the 74LVC3G14DC,125 a suitable replacement for the obsolete 74LVC3G14GD,125?

A: Yes. The 74LVC3G14DC,125 maintains identical electrical specifications and is an active product. The package differs (8-VFSOP vs. 8-XFDFN), requiring PCB layout modification but providing equivalent functionality and performance.

Q: Why does 74LVC2G14FW4-7 show 40 µA quiescent current while other variants show 4 µA?

A: The 74LVC2G14FW4-7 from Diodes Incorporated has a higher quiescent current specification (40 µA) compared to Nexperia/NXP variants (4 µA). This difference should be evaluated in power-sensitive applications. All other electrical parameters remain compatible.

Q: Can I use multiple 74LVC2G14 devices to replace a single 74LVC3G14GD,125?

A: Yes, if PCB space and design complexity permit. Two 74LVC2G14 devices would provide 4 circuits total, exceeding the 3-circuit requirement. This approach requires additional board area and routing but maintains full electrical compatibility and performance.

Q: Are all listed substitutes ROHS3 compliant?

A: ROHS3 compliance is confirmed for 74LVC3G14GT,115, 74LVC3G14GF,115, 74LVC3G14GS,115, 74LVC3G14DC,125, 74LVC2G14GM,115, 74LVC2G14GM,132, 74LVC2G14GS,132, and 74LVC2G14FW4-7. Compliance data for 74LVC3G14GN,115 and 74LVC2G14GN,132 is not provided in the specification.

Q: What is the MSL rating for these parts?

A: MSL rating 1 (Unlimited) is specified for 74LVC3G14GD,125, 74LVC3G14DC,125, 74LVC3G14GT,115, 74LVC3G14GS,115, 74LVC3G14GN,115, 74LVC2G14GM,115, 74LVC2G14GM,132, 74LVC2G14GS,132, and 74LVC2G14FW4-7. MSL data for 74LVC3G14GF,115 and 74LVC2G14GN,132 is not provided.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message