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74LVC1G126FS3-7 Equivalent & Substitute Parts
Part Overview
The 74LVC1G126FS3-7 is a non-inverting buffer logic IC manufactured by Diodes Incorporated, designed for 3-state output applications in low-voltage digital circuits. This part operates across a supply voltage range of 1.65V to 5.5V and is housed in a 4-XFDFN Exposed Pad surface mount package. The device is currently in active production status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, output characteristics, and compatible packaging configurations.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 1 |
| 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 | 4-XFDFN Exposed Pad |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute parts for the 74LVC1G126FS3-7 are qualified based on the following critical parameters:
- Logic Type: Buffer, Non-Inverting
- Number of Elements: 1
- 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)
- Series: 74LVC
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level (MSL): 1 (Unlimited)
All identified substitutes maintain identical electrical performance characteristics and compliance certifications. Variations exist only in manufacturer identity, packaging supplier designation, and physical package form factor (4-XFDFN versus 5-X2SON).
Parameter Comparison
| Part Number | Manufacturer | Logic Type | Output Type | Current (mA) | Voltage Supply | Temp Range | Package | RoHS | MSL | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC1G126FS3-7 | Diodes Incorporated | Buffer, Non-Inverting | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 4-XFDFN Exposed Pad | ROHS3 | 1 | 1020 Pcs |
| 74LVC1G125FS3-7 | Diodes Incorporated | Buffer, Non-Inverting | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 4-XFDFN Exposed Pad | ROHS3 | 1 | 1009 Pcs |
| 74LVC1G125GXH | Nexperia USA Inc. | Buffer, Non-Inverting | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 5-X2SON (0.80x0.80) | ROHS3 | 1 | 11057 Pcs |
| 74LVC1G126GXH | Nexperia USA Inc. | Buffer, Non-Inverting | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 5-X2SON (0.80x0.80) | ROHS3 | 1 | 7471 Pcs |
| SN74LVC1G125DPWR | Texas Instruments | Buffer, Non-Inverting | 3-State | 32/32 | 1.65V ~ 5.5V | -40°C ~ 125°C | 5-X2SON (0.8x0.8) | ROHS3 | 1 | 17400 Pcs |
Engineering Selection Recommendations
All substitute parts listed maintain full electrical and functional equivalence to the 74LVC1G126FS3-7. Selection among these alternatives is determined by:
- Manufacturer preference and supply chain requirements
- Package form factor compatibility with PCB layout (4-XFDFN versus 5-X2SON)
- Inventory availability and lead time considerations
- Compliance certifications: all parts are ROHS3 compliant with MSL 1 rating
- Product status: all parts are in active production
The 74LVC1G125FS3-7 from Diodes Incorporated provides the closest form factor match (4-XFDFN Exposed Pad) to the primary part. The Nexperia and Texas Instruments alternatives employ the 5-X2SON package, which requires PCB layout verification for pin-to-pad compatibility despite identical electrical performance.
Frequently Asked Questions (FAQ)
Q: Can 74LVC1G125FS3-7 directly replace 74LVC1G126FS3-7?
A: Yes. Both parts share identical electrical specifications, output characteristics, supply voltage range, operating temperature range, and package form factor (4-XFDFN Exposed Pad). The parts differ only in base product number designation.
Q: Are the Nexperia 5-X2SON packages electrically equivalent?
A: Yes. The 74LVC1G125GXH and 74LVC1G126GXH maintain all electrical specifications, current ratings, voltage supply range, and temperature operating range. The 5-X2SON package is physically different from the 4-XFDFN, requiring PCB layout verification for pin spacing and pad dimensions.
Q: What is the difference between 74LVC1G125 and 74LVC1G126 base product numbers?
A: Both are non-inverting buffers with 3-state output, identical electrical performance, and matching specifications. Substitution between these base numbers is permitted based on the provided parameter equivalence.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts carry ROHS3 compliance certification and MSL 1 (unlimited) moisture sensitivity rating, matching the primary part specification.
Q: Which substitute has the highest inventory availability?
A: The SN74LVC1G125DPWR from Texas Instruments has 17,400 pieces in stock, followed by the 74LVC1G125GXH from Nexperia with 11,057 pieces.
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