SN74LVC2G04DCKTG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G04DCKTG4 is a 2-channel inverter logic IC manufactured by Texas Instruments, housed in a 6-pin SC-70 surface mount package. This part operates across a wide supply voltage range of 1.65V to 5.5V and is designed for low-power digital logic applications. The device is currently discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing production and design requirements. Substitute parts maintain functional equivalence while offering active product status and improved availability.

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
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ 5V, 50pF	3.2ns
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	6-TSSOP, SC-88, SOT-363
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC2G04DCKTG4 are classified based on strict parametric equivalence. The critical parameters determining substitutability are:

Logic Type: Inverter (2-channel, 2-input configuration)
Supply Voltage Range: 1.65V ~ 5.5V
Output Current Capability: 32mA (high and low)
Propagation Delay: ≤ 3.8ns @ 5V, 50pF
Operating Temperature Range: -40°C ~ 125°C (minimum)
Package Compatibility: 6-TSSOP, SC-88, or SOT-363

Substitutes are grouped into three categories:

Parametric Equivalents (Texas Instruments): SN74LVC2G04DCKR and SN74LVC2G04DCKT maintain identical electrical specifications and packaging to the main part, differing only in packaging format (Cut Tape & Digi-Reel vs. Tube).

Direct Manufacturer Alternatives (onsemi): NL27WZ04DFT2G and NL27WZ04DFT1G provide functional equivalence with enhanced quiescent current performance (1 µA vs. 10 µA) and extended temperature range options, maintaining compatible package footprints.

MFR Recommended Alternatives: 74LVC2G04DW-7 (Diodes Incorporated), 74LVC2G04GV,125 and 74LVC2G04GW,125 (Nexperia USA Inc.), NC7WZ04P6X (onsemi), and NL27WZ04DTT1G (onsemi) provide functional equivalence with variations in quiescent current, propagation delay, and product status.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Product Status	Voltage - Supply	Current - Quiescent (Max)	Max Propagation Delay @ 5V, 50pF	Operating Temperature	Package / Case
SN74LVC2G04DCKTG4	Texas Instruments	Discontinued	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	6-TSSOP, SC-88, SOT-363
SN74LVC2G04DCKR	Texas Instruments	Active	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	6-TSSOP, SC-88, SOT-363
SN74LVC2G04DCKT	Texas Instruments	Active	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	6-TSSOP, SC-88, SOT-363
NL27WZ04DFT2G	onsemi	Active	1.65V ~ 5.5V	1 µA	3.6ns	-55°C ~ 125°C	6-TSSOP, SC-88, SOT-363
74LVC2G04DW-7	Diodes Incorporated	Active	1.65V ~ 5.5V	10 µA	3.8ns	-40°C ~ 125°C	6-TSSOP, SC-88, SOT-363
74LVC2G04GV,125	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	3.2ns	-40°C ~ 125°C	SC-74, SOT-457
NC7WZ04P6X	onsemi	Active	1.65V ~ 5.5V	1 µA	3.6ns	-40°C ~ 85°C	6-TSSOP, SC-88, SOT-363
NL27WZ04DFT1G	onsemi	Active	1.65V ~ 5.5V	1 µA	3.6ns	-55°C ~ 125°C	6-TSSOP, SC-88, SOT-363
NL27WZ04DTT1G	onsemi	Obsolete	1.65V ~ 5.5V	1 µA	3.6ns	-55°C ~ 125°C	SOT-23-6 Thin, TSOT-23-6
74LVC2G04GW,125	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	3.2ns	-40°C ~ 125°C	6-TSSOP, SC-88, SOT-363
74LVC2G04GW-Q100H	Nexperia USA Inc.	Active	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	6-TSSOP, SC-88, SOT-363

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

SN74LVC2G04DCKR and SN74LVC2G04DCKT from Texas Instruments are direct parametric equivalents with identical electrical performance and active product status. These are the preferred substitutes for direct replacement in existing designs.

74LVC2G04GW,125 and 74LVC2G04GW-Q100H from Nexperia USA Inc. provide active product status with matching propagation delay and operating temperature range. The GW-Q100H variant includes AEC-Q100 automotive qualification, suitable for automotive-grade applications.

Secondary Substitutes (Enhanced Performance):

NL27WZ04DFT1G and NL27WZ04DFT2G from onsemi offer superior quiescent current performance (1 µA vs. 10 µA) and extended temperature range (-55°C to 125°C), beneficial for low-power and wide-temperature applications. Propagation delay is slightly higher at 3.6ns.

NC7WZ04P6X from onsemi provides low quiescent current (1 µA) with active product status but operates to 85°C maximum, limiting use in extended temperature applications.

74LVC2G04DW-7 from Diodes Incorporated maintains compatibility with slightly increased propagation delay (3.8ns) and active product status.

Avoid:

NL27WZ04DTT1G is marked as obsolete and should not be selected for new designs despite available inventory.

74LVC2G04GV,125 uses a different package footprint (SC-74, SOT-457) and requires PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can I directly replace SN74LVC2G04DCKTG4 with SN74LVC2G04DCKR?

A: Yes. Both parts are Texas Instruments 74LVC2G04 inverters with identical electrical specifications, supply voltage range, propagation delay, and operating temperature. The difference is packaging format: DCKTG4 is tube packaging while DCKR is Cut Tape & Digi-Reel. Pin configuration and footprint are identical.

Q: What is the difference between the onsemi NL27WZ04 and NC7WZ04 series?

A: Both are 2-channel inverters with 1 µA quiescent current. NL27WZ04DFT1G operates from -55°C to 125°C, while NC7WZ04P6X operates from -40°C to 85°C. For applications requiring extended low-temperature operation, NL27WZ04DFT1G is required.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Most substitutes use 6-TSSOP, SC-88, or SOT-363 packages with identical pin configurations. However, 74LVC2G04GV,125 uses SC-74 or SOT-457 package, requiring PCB layout modification. NL27WZ04DTT1G uses SOT-23-6 Thin package, also requiring layout changes.

Q: Which substitute offers the best power efficiency?

A: onsemi parts (NL27WZ04DFT1G, NL27WZ04DFT2G, NC7WZ04P6X) and Nexperia parts (74LVC2G04GV,125, 74LVC2G04GW,125) offer reduced quiescent current (1 µA or 4 µA) compared to the original 10 µA specification, reducing standby power consumption.

Q: Is the 74LVC2G04GW-Q100H suitable for automotive applications?

A: Yes. The 74LVC2G04GW-Q100H includes AEC-Q100 automotive qualification and is suitable for automotive-grade designs requiring this certification.

Q: What is the impact of propagation delay differences between substitutes?

A: The original part specifies 3.2ns maximum propagation delay at 5V with 50pF load. Substitutes range from 3.2ns to 3.8ns. For most digital logic applications, this 0.6ns variation is negligible. High-speed timing-critical applications should verify timing margins with the specific substitute selected.

Q: Why is NL27WZ04DTT1G marked obsolete despite available inventory?

A: Obsolete status indicates the manufacturer has discontinued production. While inventory may be available from distributors, new designs should not rely on this part due to future supply uncertainty.

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