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74HC125PW-Q100J Equivalent & Substitute Parts
Part Overview
The 74HC125PW-Q100J is a non-inverting buffer logic integrated circuit manufactured by Nexperia USA Inc. in the 74HC series. This device functions as a 4-element buffer with 3-state output capability, designed for signal buffering and line driving applications in digital logic circuits. The part is actively produced and carries automotive-grade qualification (AEC-Q100), making it suitable for automotive and industrial applications requiring reliable signal conditioning. Equivalent and substitute parts are identified based on matching electrical characteristics, package specifications, and functional performance within the 74HC logic family.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 4 |
| Number of Bits per Element | 1 |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) |
| Mounting Type | Surface Mount |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the 74HC125PW-Q100J is determined by the following critical parameters:
- Logic Type: Buffer, Non-Inverting
- Number of Elements: 4
- Number of Bits per Element: 1
- Output Type: 3-State
- Current - Output High, Low: 7.8mA, 7.8mA
- Voltage - Supply: 2V ~ 6V
- Operating Temperature Range: -40°C ~ 125°C (TA)
- Package / Case: 14-TSSOP
- Mounting Type: Surface Mount
Substitute parts are classified into three categories:
Parametric Equivalents (Nexperia): Parts 74HC125PW,118 and 74HC126PW,118 share identical electrical specifications and package configuration with the main part. These are direct functional replacements from the same manufacturer.
Parametric Equivalents (Nexperia Automotive): Part 74HC126PW-Q100J maintains automotive-grade qualification and AEC-Q100 certification, matching the main part's compliance profile while offering alternative base product numbering within the 74HC series.
Direct Manufacturer Equivalents (onsemi): Part MC74HC125ADTR2G from onsemi meets all electrical and package specifications. Operating temperature extends to -55°C, providing broader environmental coverage. Packaging format differs (Cut Tape & Digi-Reel® versus Tape & Reel).
Parametric Equivalents (Texas Instruments): Parts CD74HC125QPWRQ1 and CD74HC125QPWRG4Q1 from Texas Instruments match all critical electrical parameters and carry automotive-grade AEC-Q100 qualification. Packaging formats vary between Cut Tape & Digi-Reel® and Tape & Reel.
Parametric Equivalents (STMicroelectronics): Part M74HC126YTTR from STMicroelectronics provides equivalent electrical performance with automotive-grade AEC-Q100 qualification and identical package specifications.
Similar Part (onsemi - Obsolete Status): Part NLV74HC125ADTR2G is functionally equivalent but carries obsolete product status and should not be selected for new designs.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Logic Type | Elements | Output Type | Current (mA) | Voltage Supply | Temp Range (°C) | Package | Grade | AEC-Q100 | Product Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HC125PW-Q100J | Nexperia USA Inc. | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -40 ~ 125 | 14-TSSOP | Automotive | Yes | Active | 2618 |
| 74HC125PW,118 | Nexperia USA Inc. | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -40 ~ 125 | 14-TSSOP | Standard | No | Active | 25061 |
| 74HC126PW,118 | Nexperia USA Inc. | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -40 ~ 125 | 14-TSSOP | Standard | No | Active | 3245 |
| 74HC126PW-Q100J | Nexperia USA Inc. | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -40 ~ 125 | 14-TSSOP | Automotive | Yes | Active | 2845 |
| MC74HC125ADTR2G | onsemi | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -55 ~ 125 | 14-TSSOP | Standard | No | Active | 10100 |
| CD74HC125QPWRQ1 | Texas Instruments | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -40 ~ 125 | 14-TSSOP | Automotive | Yes | Active | 43400 |
| CD74HC125QPWRG4Q1 | Texas Instruments | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -40 ~ 125 | 14-TSSOP | Automotive | Yes | Active | 3076 |
| M74HC126YTTR | STMicroelectronics | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -40 ~ 125 | 14-TSSOP | Automotive | Yes | Active | 4607 |
| NLV74HC125ADTR2G | onsemi | Buffer, Non-Inverting | 4 / 1 Bit | 3-State | 7.8 / 7.8 | 2V ~ 6V | -55 ~ 125 | 14-TSSOP | Automotive | Yes | Obsolete | 1024 |
Engineering Selection Recommendations
For applications requiring automotive-grade qualification and AEC-Q100 certification matching the 74HC125PW-Q100J, the following active parts are recommended:
Primary Alternatives: CD74HC125QPWRQ1 and CD74HC125QPWRG4Q1 from Texas Instruments provide identical electrical specifications with automotive qualification. CD74HC125QPWRQ1 offers the highest inventory availability (43,400 units) and is suitable for high-volume production requirements.
Secondary Alternatives: 74HC126PW-Q100J from Nexperia maintains automotive-grade AEC-Q100 qualification with equivalent electrical performance. M74HC126YTTR from STMicroelectronics provides automotive-grade certification with identical package and electrical specifications.
Standard-Grade Alternatives: For applications not requiring automotive qualification, 74HC125PW,118 from Nexperia offers the highest inventory (25,061 units) with identical electrical and package specifications. MC74HC125ADTR2G from onsemi extends the operating temperature range to -55°C, providing enhanced environmental coverage for standard-grade applications.
Parts to Avoid: NLV74HC125ADTR2G carries obsolete product status and should not be selected for new designs or long-term production commitments.
Frequently Asked Questions (FAQ)
Q: Can I substitute 74HC125PW-Q100J with 74HC125PW,118?
A: Both parts share identical electrical specifications, output current ratings, voltage supply range, operating temperature, and 14-TSSOP package configuration. The primary difference is that 74HC125PW,118 is standard-grade without automotive qualification. Substitution is electrically valid but may not meet automotive compliance requirements if AEC-Q100 certification is mandated by application specifications.
Q: What is the difference between 74HC125 and 74HC126 base product numbers?
A: Both are 4-element non-inverting buffers with 3-state outputs in the 74HC series. The base product number difference reflects internal design variations within the same functional category. All electrical parameters, package specifications, and output characteristics remain equivalent for substitution purposes.
Q: Does MC74HC125ADTR2G offer any advantage over the main part?
A: MC74HC125ADTR2G extends the operating temperature range to -55°C compared to -40°C for the main part, providing broader environmental coverage. However, it is standard-grade without automotive qualification. Packaging format differs (Cut Tape & Digi-Reel® versus Tape & Reel), which may affect procurement and assembly processes.
Q: Are Texas Instruments CD74HC125 parts fully compatible with Nexperia 74HC125?
A: CD74HC125QPWRQ1 and CD74HC125QPWRG4Q1 match all critical electrical parameters, output current ratings, voltage supply range, operating temperature, and 14-TSSOP package specifications. Both carry automotive-grade AEC-Q100 qualification. Substitution is functionally valid. Packaging format differs (Cut Tape & Digi-Reel® for CD74HC125QPWRQ1 versus Tape & Reel for CD74HC125QPWRG4Q1), which may affect supply chain logistics.
Q: Why should I avoid NLV74HC125ADTR2G?
A: NLV74HC125ADTR2G carries obsolete product status, indicating discontinued production. While electrically equivalent and automotive-qualified, obsolete parts present supply chain risk and should not be selected for new designs or production commitments requiring long-term availability.
Q: What packaging formats are available for substitute parts?
A: Substitute parts are available in two packaging formats: Tape & Reel (TR) and Cut Tape & Digi-Reel®. The main part 74HC125PW-Q100J uses Tape & Reel. Nexperia and STMicroelectronics alternatives use Tape & Reel. onsemi and some Texas Instruments variants use Cut Tape & Digi-Reel®. Packaging format selection depends on assembly equipment compatibility and procurement volume requirements.
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