SN74LVC2G32DCUTE4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G32DCUTE4 is a 2-channel OR gate logic IC manufactured by Texas Instruments in the 74LVC series. This component features dual 2-input OR gate functionality in an 8-VSSOP surface mount package. The part is currently listed as obsolete, making identification of active equivalent and substitute parts essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	2
Number of Inputs	2
Voltage Supply Range	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
Package / Case	8-VFSOP (0.091", 2.30mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC2G32DCUTE4 is determined by the following critical parameters:

Logic function: 2-channel, 2-input OR gate
Supply voltage range: 1.65V ~ 5.5V
Output drive capability: 32mA minimum
Package type: 8-VFSOP surface mount
Operating temperature range: -40°C to 125°C minimum
Propagation delay: 3.2ns or better at 5V, 50pF load

Substitute parts are grouped into two categories:

Parametric Equivalents (Texas Instruments & Nexperia): Parts that match all electrical specifications and operating temperature range, differing only in packaging format (Cut Tape vs. Tape & Reel) or product status (Active vs. Obsolete).

Manufacturer Recommended Alternatives (onsemi): Parts that maintain functional equivalence and core electrical parameters but operate within a reduced temperature range (-40°C to 85°C) and feature lower quiescent current consumption (1 µA vs. 10 µA).

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage Supply	Quiescent Current (Max)	Propagation Delay @ 5V, 50pF	Operating Temp	Package
SN74LVC2G32DCUTE4	Texas Instruments	Obsolete	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	8-VFSOP
SN74LVC2G32DCUR	Texas Instruments	Active	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	8-VFSOP
SN74LVC2G32DCUT	Texas Instruments	Active	1.65V ~ 5.5V	10 µA	3.2ns	-40°C ~ 125°C	8-VFSOP
74LVC2G32DC,125	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	3.2ns	-40°C ~ 125°C	8-VFSOP
74LVC2G32DC-Q100H	Nexperia USA Inc.	Active	1.65V ~ 5.5V	4 µA	3.2ns	-40°C ~ 125°C	8-VFSOP
NC7WZ32K8X	onsemi	Active	1.65V ~ 5.5V	1 µA	3.7ns	-40°C ~ 85°C	8-VFSOP
NL27WZ32USG	onsemi	Active	1.65V ~ 5.5V	1 µA	3.7ns	-40°C ~ 85°C	8-VFSOP

Engineering Selection Recommendations

For direct replacement with identical specifications: Select SN74LVC2G32DCUR or SN74LVC2G32DCUT from Texas Instruments. Both parts are active, maintain the full -40°C to 125°C operating range, and provide identical electrical performance to the obsolete SN74LVC2G32DCUTE4. The choice between these two depends on packaging preference: DCUR is supplied in Cut Tape & Digi-Reel format, while DCUT is also available in Cut Tape & Digi-Reel format.

For applications requiring full temperature range with lower power consumption: Select 74LVC2G32DC,125 or 74LVC2G32DC-Q100H from Nexperia USA Inc. These parts maintain the -40°C to 125°C operating range while reducing quiescent current to 4 µA. The 74LVC2G32DC-Q100H variant includes AEC-Q100 automotive qualification.

For applications with reduced temperature requirements and minimum power consumption: Select NC7WZ32K8X or NL27WZ32USG from onsemi. These parts reduce quiescent current to 1 µA and are suitable for applications operating within -40°C to 85°C. Propagation delay increases marginally to 3.7ns at 5V, 50pF.

Frequently Asked Questions (FAQ)

Q: Can I use NC7WZ32K8X or NL27WZ32USG as direct replacements for SN74LVC2G32DCUTE4?

A: These onsemi parts are functionally equivalent for logic operation but operate within a reduced temperature range (-40°C to 85°C vs. -40°C to 125°C). Use these substitutes only if your application does not require operation above 85°C. Propagation delay is slightly higher at 3.7ns compared to 3.2ns.

Q: What is the difference between SN74LVC2G32DCUR and SN74LVC2G32DCUT?

A: Both parts are electrically identical and from Texas Instruments. The difference lies in packaging format: DCUR and DCUT are both supplied in Cut Tape & Digi-Reel format. Verify with your supplier for specific packaging availability.

Q: Are the Nexperia parts (74LVC2G32DC,125 and 74LVC2G32DC-Q100H) pin-compatible with the original part?

A: Yes. All substitute parts listed maintain the same 8-VFSOP package and pinout. The 74LVC2G32DC-Q100H includes AEC-Q100 automotive qualification, making it suitable for automotive applications.

Q: Which substitute offers the lowest power consumption?

A: NC7WZ32K8X and NL27WZ32USG from onsemi offer the lowest quiescent current at 1 µA, compared to 10 µA for the original part and 4 µA for Nexperia alternatives. This advantage applies only within the -40°C to 85°C operating range.

Q: Can I mix different substitute parts in the same design?

A: Yes, all listed substitutes are functionally equivalent for the OR gate logic function. However, ensure your application's temperature requirements are met by each part selected. Do not mix parts with different operating temperature ranges if your design requires the full -40°C to 125°C range.

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