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74LVC2G126GD,125 Equivalent & Substitute Parts
Part Overview
The 74LVC2G126GD,125 is a non-inverting buffer logic IC manufactured by Nexperia USA Inc., featuring 2 elements with 1 bit per element and 3-state output capability. This component operates across a supply voltage range of 1.65V to 5.5V and is housed in an 8-XSON (2x3) surface mount package. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Logic Type | Buffer, Non-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-XFDFN |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the 74LVC2G126GD,125 is determined by the following critical parameters:
- Logic Type: Buffer, Non-Inverting
- Output Type: 3-State
- Voltage Supply Range: 1.65V ~ 5.5V
- Output Current Capability: 32mA (High and Low)
- Operating Temperature Range: -40°C ~ 125°C
- RoHS3 Compliance and MSL Level 1
Substitute parts are grouped into two categories:
Direct Package Equivalent: The 74LVC2G126DC,125 maintains identical electrical specifications and the same 2-element configuration but uses an 8-VSSOP package instead of 8-XSON, offering an active product status alternative.
Parametric Equivalents (Single Element): Parts with base numbers 74LVC1G125 and 74LVC1G126 provide equivalent electrical performance but with 1 element instead of 2. These are suitable for applications requiring single-buffer functionality and are available in multiple package variants (6-XSON configurations) with active product status.
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Elements | Bits/Element | Output Type | Current (mA) | Voltage Supply | Temp Range | Package | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC2G126GD,125 | Nexperia USA Inc. | Buffer, Non-Inverting | 2 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 8-XFDFN | Obsolete |
| 74LVC2G126DC,125 | Nexperia USA Inc. | Buffer, Non-Inverting | 2 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 8-VFSOP | Active |
| 74LVC1G125GF,132 | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Obsolete |
| 74LVC1G125GM,115 | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
| 74LVC1G125GM,132 | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
| 74LVC1G125GM-Q100X | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
| 74LVC1G125GN,132 | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
| 74LVC1G125GS,132 | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
| 74LVC1G126GM,115 | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
| 74LVC1G126GM,132 | Nexperia USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
| 74LVC1G126GN,132 | NXP USA Inc. | Buffer, Non-Inverting | 1 | 1 | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 6-XFDFN | Active |
Engineering Selection Recommendations
For applications currently using the obsolete 74LVC2G126GD,125, the following selection criteria apply:
Primary Recommendation: The 74LVC2G126DC,125 is the direct functional equivalent with identical 2-element configuration and electrical specifications. This part maintains active product status and ROHS3 compliance. The transition from 8-XSON to 8-VSSOP packaging requires PCB layout modification but ensures long-term supply availability.
Alternative for Single-Buffer Requirements: If circuit design permits reduction to single-buffer functionality, the 74LVC1G125GM,115, 74LVC1G125GM,132, or 74LVC1G126GM,115 provide active alternatives with equivalent electrical performance. These parts are available in 6-XFDFN packages and offer higher inventory levels.
Automotive Grade Option: The 74LVC1G125GM-Q100X is qualified to AEC-Q100 automotive standards and maintains the same electrical specifications, suitable for automotive applications requiring buffer functionality.
All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical supply voltage and operating temperature ranges as the original part.
Frequently Asked Questions (FAQ)
Q: Can the 74LVC2G126DC,125 be used as a direct replacement for the 74LVC2G126GD,125?
A: Yes. Both parts share identical electrical specifications, logic type, element count, output type, current ratings, and voltage supply range. The primary difference is packaging: 8-VSSOP versus 8-XSON. PCB layout and footprint modifications are required.
Q: What is the difference between 74LVC1G125 and 74LVC1G126 variants?
A: Both are non-inverting buffers with 1 element and identical electrical specifications. The distinction lies in internal control logic architecture, but both provide equivalent 3-state output functionality and current ratings for this application category.
Q: Are the 74LVC1G125GM,115 and 74LVC1G125GM,132 interchangeable?
A: Yes. Both parts are electrically identical with the same 6-XFDFN package. The suffix difference (115 versus 132) indicates different manufacturing date codes or tape reel configurations but does not affect functional or electrical performance.
Q: Why are single-element parts (74LVC1G1xx) listed as substitutes for a 2-element part?
A: Single-element parts are parametric equivalents suitable for applications requiring only one buffer function. If circuit design can accommodate two separate single-element ICs or if only one buffer is needed, these parts provide active alternatives with superior supply availability.
Q: Is the 74LVC1G125GM-Q100X suitable for non-automotive applications?
A: Yes. AEC-Q100 qualification indicates automotive-grade reliability and testing. This part exceeds standard commercial requirements and is fully compatible with non-automotive designs.
Q: What does MSL Level 1 mean for moisture sensitivity?
A: MSL Level 1 indicates unlimited shelf life without moisture baking requirements. These parts can be stored indefinitely under normal conditions without degradation of solderability or performance.
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