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74LVC2G126DCUTE4 Equivalent & Substitute Parts
Part Overview
The 74LVC2G126DCUTE4 is a non-inverting buffer IC from Texas Instruments' 74LVC logic series, featuring 2 elements with 1 bit per element and 3-state output capability. Housed in an 8-VSSOP surface mount package, this component operates across a 1.65V to 5.5V supply voltage range with 32mA output current capability. The part is currently listed as obsolete, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for continued system integration.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| 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) |
| Package / Case | 8-VFSOP (0.091", 2.30mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the 74LVC2G126DCUTE4 is determined by strict equivalence across the following parameters: logic type (non-inverting buffer), element count (2), bits per element (1), output configuration (3-state), output current specifications (32mA high and low), supply voltage range (1.65V ~ 5.5V), operating temperature range (-40°C ~ 125°C), package type (8-VFSOP), and surface mount mounting type. All identified substitute parts maintain these exact specifications. Substitutes are grouped by base product number (74LVC2G125, 74LVC2G126, 74LVC2G241) and packaging configuration (Cut Tape, Tape & Reel). Product status differentiation identifies active alternatives versus discontinued variants.
Parameter Comparison
| Part Number | Manufacturer | Base Product | Product Status | Packaging | Inventory (Pcs) | Logic Type | Elements | Output Type | Supply Voltage | Output Current (mA) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC2G126DCUTE4 | Texas Instruments | 74LVC2G126 | Obsolete | - | 988 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| 74LVC2G125DCURG4 | Texas Instruments | 74LVC2G125 | Discontinued at DiGi Electronics | Cut Tape (CT) & Digi-Reel® | 2647 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| 74LVC2G125DCUTG4 | Texas Instruments | 74LVC2G125 | Discontinued at DiGi Electronics | Tape & Reel (TR) | 1196 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| 74LVC2G241DCUTG4 | Texas Instruments | 74LVC2G241 | Discontinued at DiGi Electronics | - | 996 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| SN74LVC2G125DCU3 | Texas Instruments | 74LVC2G125 | Active | Tape & Reel (TR) | 9789 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| SN74LVC2G125DCUR | Texas Instruments | 74LVC2G125 | Active | Cut Tape (CT) & Digi-Reel® | 3144 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| SN74LVC2G125DCUT | Texas Instruments | 74LVC2G125 | Active | Tape & Reel (TR) | 4283 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| SN74LVC2G126DCUR | Texas Instruments | 74LVC2G126 | Active | Cut Tape (CT) & Digi-Reel® | 2905 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| SN74LVC2G126DCUT | Texas Instruments | 74LVC2G126 | Active | Cut Tape (CT) & Digi-Reel® | 36348 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| SN74LVC2G241DCUR | Texas Instruments | 74LVC2G241 | Active | Cut Tape (CT) & Digi-Reel® | 1137 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
| SN74LVC2G241DCUT | Texas Instruments | 74LVC2G241 | Active | Tape & Reel (TR) | 1663 | Buffer, Non-Inverting | 2 | 3-State | 1.65V ~ 5.5V | 32, 32 | -40 ~ 125 | 8-VFSOP |
Engineering Selection Recommendations
For direct replacement of the obsolete 74LVC2G126DCUTE4, prioritize active product status variants. SN74LVC2G126DCUT and SN74LVC2G126DCUR maintain the identical 74LVC2G126 base product number with active manufacturing status and superior inventory availability (36,348 and 2,905 units respectively). Both variants are ROHS3 compliant with MSL 1 rating, matching the original part's compliance profile.
Alternative base product numbers 74LVC2G125 and 74LVC2G241 provide functional equivalence across all specified electrical and mechanical parameters. Active variants include SN74LVC2G125DCU3, SN74LVC2G125DCUR, SN74LVC2G125DCUT, SN74LVC2G241DCUR, and SN74LVC2G241DCUT. Selection between these alternatives depends on packaging requirements (Cut Tape versus Tape & Reel) and inventory availability constraints. All substitute parts maintain ROHS3 compliance and MSL 1 moisture sensitivity rating.
Frequently Asked Questions (FAQ)
Q: Can 74LVC2G125 variants substitute for 74LVC2G126DCUTE4? A: Yes. The 74LVC2G125 base product maintains all specified electrical parameters: 2-element non-inverting buffer configuration, 3-state output, 32mA output current, 1.65V to 5.5V supply voltage range, and -40°C to 125°C operating temperature. The 8-VFSOP package and surface mount mounting are identical.
Q: What is the difference between Cut Tape and Tape & Reel packaging? A: Both packaging formats contain identical components in the 8-VFSOP package. Cut Tape (CT) & Digi-Reel® provides individual component access, while Tape & Reel (TR) supplies components on continuous tape for automated assembly. Selection depends on assembly process requirements and volume needs.
Q: Are all substitute parts ROHS3 compliant? A: Yes. All identified substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity level, matching the original 74LVC2G126DCUTE4 specifications.
Q: Why are some variants listed as discontinued at DiGi Electronics? A: Discontinued at DiGi Electronics status indicates the distributor no longer stocks the part, though manufacturing may continue. Active product status variants are recommended for new designs and ongoing procurement.
Q: Can I use 74LVC2G241 variants as a substitute? A: Yes. The 74LVC2G241 base product meets all electrical and mechanical equivalence criteria. Active variants SN74LVC2G241DCUR and SN74LVC2G241DCUT are available with current inventory.
Q: What determines substitution compatibility? A: Substitution is based on matching logic type (non-inverting buffer), element count (2), bits per element (1), output configuration (3-state), output current (32mA), supply voltage range (1.65V ~ 5.5V), operating temperature (-40°C ~ 125°C), package type (8-VFSOP), and surface mount mounting. All listed parts meet these criteria.
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