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74LVC2G125RA3-7 Equivalent & Substitute Parts
Part Overview
The 74LVC2G125RA3-7 is a non-inverting buffer IC manufactured by Diodes Incorporated, featuring 2 elements with 1 bit per element and 3-state output capability. This logic buffer operates across a supply voltage range of 1.65V to 5.5V and maintains active product status with full RoHS3 compliance. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the 74LVC logic family while accommodating different packaging configurations and element counts.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 74LVC2G125RA3-7 |
| Manufacturer | Diodes Incorporated |
| Series | 74LVC |
| 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-XFDFN |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute parts for the 74LVC2G125RA3-7 are classified based on the following substitution criteria:
Primary Substitutes (Same Element Count - 2 Elements): Parts maintaining 2 elements with 1 bit per element and 3-state output are direct functional equivalents. These include 74LVC2G125HD4-7 and 74LVC2G125HK3-7, which differ only in supplier device package designation while maintaining identical electrical specifications and 8-XFDFN case format.
Secondary Substitutes (Single Element Variants): Parts with 1 element and 1 bit per element (74LVC1G125 and 74LVC1G126 series) provide equivalent per-element functionality but require dual-package solutions for 2-element applications. These include 74LVC1G125FW4-7, 74LVC1G125FW5-7, 74LVC1G125FX4-7, 74LVC1G125FZ4-7, 74LVC1G126FW4-7, 74LVC1G126FW5-7, and 74LVC1G126FX4-7.
Tertiary Substitutes (2-Element Non-Inverting Variants): The 74LVC2G126 series (74LVC2G126HD4-7) maintains 2 elements with identical electrical performance and package format, offering functional equivalence within the non-inverting buffer category.
All substitutes maintain identical supply voltage range (1.65V ~ 5.5V), output current specifications (32mA, 32mA), operating temperature range (-40°C ~ 125°C), RoHS3 compliance, and MSL rating (1 - Unlimited).
Parameter Comparison
| Part Number | Elements | Bits per Element | Output Type | Package / Case | Supplier Device Package | Current Output (mA) | Supply Voltage | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|
| 74LVC2G125RA3-7 | 2 | 1 | 3-State | 8-XFDFN | X2-DFN1210-8 | 32/32 | 1.65V ~ 5.5V | 6089 |
| 74LVC2G125HD4-7 | 2 | 1 | 3-State | 8-XFDFN | X2-DFN2010-8 | 32/32 | 1.65V ~ 5.5V | 3000 |
| 74LVC2G125HK3-7 | 2 | 1 | 3-State | 8-XFDFN | X2-DFN1410-8 | 32/32 | 1.65V ~ 5.5V | 1015 |
| 74LVC2G126HD4-7 | 2 | 1 | 3-State | 8-XFDFN | X2-DFN2010-8 | 32/32 | 1.65V ~ 5.5V | 4833 |
| 74LVC1G125FW4-7 | 1 | 1 | 3-State | 6-XFDFN | X2-DFN1010-6 | 32/32 | 1.65V ~ 5.5V | 10200 |
| 74LVC1G125FW5-7 | 1 | 1 | 3-State | 6-XFDFN | X1-DFN1010-6 | 32/32 | 1.65V ~ 5.5V | 5957 |
| 74LVC1G125FX4-7 | 1 | 1 | 3-State | 6-XFDFN | X2-DFN1409-6 | 32/32 | 1.65V ~ 5.5V | 990 |
| 74LVC1G125FZ4-7 | 1 | 1 | 3-State | 6-XFDFN | X2-DFN1410-6 | 32/32 | 1.65V ~ 5.5V | 35100 |
| 74LVC1G126FW4-7 | 1 | 1 | 3-State | 6-XFDFN | X2-DFN1010-6 | 32/32 | 1.65V ~ 5.5V | 30100 |
| 74LVC1G126FW5-7 | 1 | 1 | 3-State | 6-XFDFN | X1-DFN1010-6 | 32/32 | 1.65V ~ 5.5V | 6070 |
| 74LVC1G126FX4-7 | 1 | 1 | 3-State | 6-XFDFN | X2-DFN1409-6 | 32/32 | 1.65V ~ 5.5V | 766 |
Engineering Selection Recommendations
For Direct Replacement (Same Footprint and Element Count): 74LVC2G125HD4-7 and 74LVC2G125HK3-7 are functionally equivalent to 74LVC2G125RA3-7, maintaining 2-element configuration within 8-XFDFN packaging. Selection between these options depends on supplier device package availability and inventory requirements. All three parts maintain active product status and full RoHS3 compliance.
For 2-Element Non-Inverting Buffer Applications: 74LVC2G126HD4-7 provides equivalent 2-element functionality with identical electrical specifications and package format, suitable for applications requiring non-inverting buffer operation with 3-state output control.
For Single-Element Applications or Dual-Package Configurations: 74LVC1G125 series (FW4-7, FW5-7, FX4-7, FZ4-7) and 74LVC1G126 series (FW4-7, FW5-7, FX4-7) offer per-element equivalence in 6-XFDFN packages. These parts are appropriate when circuit design accommodates smaller package footprints or when dual-package solutions are acceptable. 74LVC1G125FZ4-7 offers highest inventory availability (35100 pcs) among single-element variants.
All substitute parts maintain identical supply voltage range, output current specifications, operating temperature range, RoHS3 compliance status, and MSL rating (1 - Unlimited), ensuring compliance with environmental and regulatory requirements.
Frequently Asked Questions (FAQ)
Q: Can 74LVC1G125 single-element parts replace the 74LVC2G125RA3-7 in a 1:1 substitution? A: No. The 74LVC2G125RA3-7 contains 2 elements, while 74LVC1G125 variants contain 1 element. Two 74LVC1G125 packages would be required to achieve equivalent 2-element functionality. However, per-element electrical specifications (supply voltage, output current, operating temperature) are identical.
Q: What is the difference between 74LVC2G125HD4-7 and 74LVC2G125HK3-7? A: Both parts maintain identical electrical specifications and 2-element configuration in 8-XFDFN packages. The difference lies in the supplier device package designation (X2-DFN2010-8 versus X2-DFN1410-8), which reflects physical package variations. Electrical performance and pin compatibility remain equivalent.
Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance status and MSL rating of 1 (Unlimited), matching the compliance profile of 74LVC2G125RA3-7.
Q: What supply voltage range do substitute parts support? A: All substitute parts operate across the identical supply voltage range of 1.65V to 5.5V, maintaining compatibility with the original part's voltage specifications.
Q: Can 74LVC2G126 series parts substitute for 74LVC2G125 series? A: Yes. 74LVC2G126HD4-7 maintains 2-element configuration with identical electrical specifications (supply voltage, output current, operating temperature) and 8-XFDFN package format. Both series provide non-inverting buffer functionality with 3-state output.
Q: Which substitute part offers the highest inventory availability? A: 74LVC1G125FZ4-7 offers the highest inventory level at 35100 pcs among single-element variants. For 2-element direct replacements, 74LVC2G125HD4-7 provides 3000 pcs availability.
Q: Are package footprints identical across all 8-XFDFN variants? A: All parts designated as 8-XFDFN maintain the same case format. However, supplier device package designations (X2-DFN1210-8, X2-DFN2010-8, X2-DFN1410-8) indicate physical package variations. Verify specific package dimensions against PCB layout requirements before final selection.
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