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74LVC2G240DCURE4 Equivalent & Substitute Parts
Part Overview
The 74LVC2G240DCURE4 is a logic buffer IC with inverting functionality, featuring 2 elements with 1 bit per element and 3-state output capability. Manufactured by Texas Instruments, this component operates across a supply voltage range of 1.65V to 5.5V and supports operating temperatures from -40°C to 125°C. The part is classified as obsolete, making identification of active equivalent and substitute parts essential for ongoing design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | Buffer, Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 1 |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 32mA |
| Voltage - Supply | 1.65V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-VFSOP (0.091", 2.30mm Width) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the 74LVC2G240DCURE4 is determined by strict equivalence across the following critical parameters:
- Logic Type: Buffer, Inverting (2 elements, 1 bit per element)
- Output Type: 3-State
- Output Current Capability: 32mA (High and Low)
- Supply Voltage Range: 1.65V ~ 5.5V
- Operating Temperature Range: -40°C ~ 125°C
- Mounting Type: Surface Mount
- Package Compatibility: 8-VFSOP or equivalent footprint (0.091", 2.30mm Width)
- RoHS Compliance: ROHS3 Compliant
- Moisture Sensitivity: MSL 1
Substitute parts are grouped into two categories: parametric equivalents (identical electrical and mechanical specifications) and manufacturer-recommended alternatives (functionally equivalent with minor package variations).
Parameter Comparison
| Parameter | 74LVC2G240DCURE4 (Main) | SN74LVC2G240DCUR | 74LVC2G240DP,125 | NC7WZ240K8X | 74LVC2G240DC,125 | 74LVC2G240DC-Q100H |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Nexperia USA Inc. | onsemi | NXP Semiconductors | Nexperia USA Inc. |
| Product Status | Obsolete | Active | Active | Active | Active | Active |
| Logic Type | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting |
| Number of Elements | 2 | 2 | 2 | 2 | 2 | 2 |
| Number of Bits per Element | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Type | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State |
| Current - Output High, Low | 32mA, 32mA | 32mA, 32mA | 32mA, 32mA | 32mA, 32mA | 32mA, 32mA | 32mA, 32mA |
| Voltage - Supply | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 1.65V ~ 5.5V | 1.65V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-VFSOP (0.091", 2.30mm Width) | 8-VFSOP (0.091", 2.30mm Width) | 8-TSSOP (0.118", 3.00mm Width) | 8-VFSOP (0.091", 2.30mm Width) | 8-VFSOP (0.091", 2.30mm Width) | 8-VFSOP (0.091", 2.30mm Width) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
Primary Substitute: SN74LVC2G240DCUR (Texas Instruments)
The SN74LVC2G240DCUR is a parametric equivalent with identical electrical specifications and package footprint. As an active product from the original manufacturer, this part provides direct compatibility with the obsolete 74LVC2G240DCURE4. Inventory availability is substantial at 32,483 pieces.
Alternative Substitute: 74LVC2G240DC,125 (NXP Semiconductors)
The 74LVC2G240DC,125 maintains full electrical equivalence and identical package specifications. As an active product with 19,557 pieces in stock, this part offers a cross-manufacturer alternative with established supply chain presence.
Alternative Substitute: 74LVC2G240DC-Q100H (Nexperia USA Inc.)
The 74LVC2G240DC-Q100H is qualified to AEC-Q100 automotive standards and carries the same electrical and package specifications. This part is suitable for applications requiring automotive-grade components. Inventory is available at 859 pieces.
Conditional Substitute: 74LVC2G240DP,125 (Nexperia USA Inc.)
The 74LVC2G240DP,125 is functionally equivalent but uses an 8-TSSOP package (0.118", 3.00mm Width) instead of the 8-VFSOP footprint. This part requires PCB layout modification and is suitable only when package size constraints permit. Inventory availability is 17,979 pieces.
Conditional Substitute: NC7WZ240K8X (onsemi)
The NC7WZ240K8X maintains electrical equivalence but operates at a reduced maximum temperature of -40°C to 85°C compared to the -40°C to 125°C range of the main part. This part is suitable only for applications within the -40°C to 85°C operating window. Inventory is available at 17,350 pieces.
Frequently Asked Questions (FAQ)
Q: Can I use SN74LVC2G240DCUR as a direct replacement for 74LVC2G240DCURE4?
A: Yes. The SN74LVC2G240DCUR is a parametric equivalent with identical electrical specifications, output current capability, supply voltage range, operating temperature range, and package footprint. No design modifications are required.
Q: What is the difference between the 8-VFSOP and 8-TSSOP packages?
A: The 8-VFSOP package has a width of 0.091" (2.30mm), while the 8-TSSOP package has a width of 0.118" (3.00mm). The 74LVC2G240DP,125 uses the larger 8-TSSOP package and requires PCB layout changes if substituted for the original 8-VFSOP footprint.
Q: Is the NC7WZ240K8X suitable for all applications?
A: The NC7WZ240K8X operates at a maximum temperature of 85°C, compared to 125°C for the main part. It is suitable only for applications with operating temperatures not exceeding 85°C. Verify your application's temperature requirements before selection.
Q: Why is the 74LVC2G240DCURE4 marked as obsolete?
A: Product obsolescence is determined by the manufacturer. Active equivalents from Texas Instruments (SN74LVC2G240DCUR) and other manufacturers provide continued support for this logic function.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, matching the compliance profile of the main part.
Q: Can I mix different manufacturers' parts in the same design?
A: Yes. All listed substitutes maintain identical electrical specifications and package compatibility. Cross-manufacturer substitution is permissible within the specified electrical and thermal parameters.
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